.deepsource.toml

@@ -0,0 +1,8 @@
+version = 1
+
+[[analyzers]]
+name = "java"
+enabled = true
+
+  [analyzers.meta]
+  runtime_version = "11"

README.adoc

@@ -0,0 +1,14 @@
+# xbib Content
+
+image:https://api.travis-ci.org/xbib/content.svg[title="Build status", link="https://travis-ci.org/xbib/content/"]
+image:https://img.shields.io/sonar/http/nemo.sonarqube.com/org.xbib%3Acontent/coverage.svg?style=flat-square[title="Coverage", link="https://sonarqube.com/dashboard/index?id=org.xbib%3Acontent"]
+image:https://maven-badges.herokuapp.com/maven-central/org.xbib/content/badge.svg[title="Maven Central", link="http://search.maven.org/#search%7Cga%7C1%7Cxbib%20content"]
+image:https://img.shields.io/badge/License-Apache%202.0-blue.svg[title="Apache License 2.0", link="https://opensource.org/licenses/Apache-2.0"]
+image:https://img.shields.io/twitter/url/https/twitter.com/xbib.svg?style=social&label=Follow%20%40xbib[title="Twitter", link="https://twitter.com/xbib"]
+image:https://www.paypalobjects.com/en_US/i/btn/btn_donateCC_LG.gif[title="PayPal", link="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=GVHFQYZ9WZ8HG"]
+
+This is a Java library for processing structured data ("content") in the most popular formats, such as
+JSON, SMILE-JSON, YAML, XML, CSV, and also semantic descriptions in RDF (N-Triples, Turtle, RDF/XML).
+
+xbib Content offers stream-based Java builders, parsers, and a settings API oder the formats, so it is very convenienant
+to use. The only dependency is https://github.com/fasterxml/jackson[the Java Jackson library].

README.md

@@ -1,9 +0,0 @@
-# xbib Content
-
-Deperecated, use datastructures instead.
-
-This is a Java library for processing structured data ("content") in the most popular formats, such as
-JSON, SMILE-JSON, YAML, XML, CSV, and also semantic descriptions in RDF (N-Triples, Turtle, RDF/XML).
-
-xbib Content offers stream-based Java builders, parsers, and a settings API oder the formats, so it is very convenienant
-to use. The only dependency is https://github.com/fasterxml/jackson[the Java Jackson library].

build.gradle

@@ -1,24 +1,27 @@
 plugins {
-    id 'maven-publish'
-    id 'signing'
-    id "io.github.gradle-nexus.publish-plugin" version "2.0.0-rc-1"
-    id "org.xbib.gradle.plugin.asciidoctor" version "3.0.0"
+    id "de.marcphilipp.nexus-publish" version "0.4.0"
+    id "io.codearte.nexus-staging" version "0.21.1"
+    id "org.xbib.gradle.plugin.asciidoctor" version "2.5.2.2"
+    id "org.cyclonedx.bom" version "1.7.2"
+    id "com.github.spotbugs" version "5.0.3"
+    id "pmd"
+    id "checkstyle"
 }
 
 wrapper {
     gradleVersion = libs.versions.gradle.get()
-    distributionType = Wrapper.DistributionType.BIN
+    distributionType = Wrapper.DistributionType.ALL
 }
 
 ext {
-    user = 'joerg'
+    user = 'xbib'
     name = 'content'
     description = 'Content processing library for Java'
     inceptionYear = '2016'
-    url = 'https://xbib.org/' + user + '/' + name
-    scmUrl = 'https://xbib.org/' + user + '/' + name
-    scmConnection = 'scm:git:git://xbib.org/' + user + '/' + name + '.git'
-    scmDeveloperConnection = 'scm:git:ssh://forgejo@xbib.org:' + user + '/' + name + '.git'
+    url = 'https://github.com/' + user + '/' + name
+    scmUrl = 'https://github.com/' + user + '/' + name
+    scmConnection = 'scm:git:git://github.com/' + user + '/' + name + '.git'
+    scmDeveloperConnection = 'scm:git:ssh://git@github.com:' + user + '/' + name + '.git'
     issueManagementSystem = 'Github'
     issueManagementUrl = ext.scmUrl + '/issues'
     licenseName = 'The Apache License, Version 2.0'
@@ -26,10 +29,15 @@ ext {
 }
 
 subprojects {
-    apply from: rootProject.file('gradle/repositories/maven.gradle')
+    apply from: rootProject.file('gradle/ide/idea.gradle')
     apply from: rootProject.file('gradle/compile/java.gradle')
     apply from: rootProject.file('gradle/test/junit5.gradle')
-    apply from: rootProject.file('gradle/publish/maven.gradle')
+    apply from: rootProject.file('gradle/repositories/maven.gradle')
+    apply from: rootProject.file('gradle/quality/spotbugs.gradle')
+    apply from: rootProject.file('gradle/quality/checkstyle.gradle')
+    apply from: rootProject.file('gradle/quality/pmd.gradle')
+    apply from: rootProject.file('gradle/publishing/publication.gradle')
 }
-apply from: rootProject.file('gradle/publish/sonatype.gradle')
-apply from: rootProject.file('gradle/publish/forgejo.gradle')
+apply from: rootProject.file('gradle/publishing/sonatype.gradle')
+apply from: rootProject.file('gradle/quality/cyclonedx.gradle')
+

config/build.gradle

@@ -0,0 +1,5 @@
+dependencies {
+    api project(':settings-datastructures')
+    testImplementation project(':settings-datastructures-json')
+    testImplementation project(':settings-datastructures-yaml')
+}

config/src/main/java/module-info.java

@@ -0,0 +1,13 @@
+import org.xbib.config.ConfigLogger;
+import org.xbib.config.NullConfigLogger;
+import org.xbib.config.SystemConfigLogger;
+import org.xbib.settings.SettingsLoader;
+
+module org.xbib.config {
+    exports org.xbib.config;
+    uses ConfigLogger;
+    uses SettingsLoader;
+    provides ConfigLogger with NullConfigLogger, SystemConfigLogger;
+    requires org.xbib.settings.api;
+    requires transitive org.xbib.settings.datastructures;
+}

config/src/main/java/org/xbib/config/ConfigException.java

@@ -0,0 +1,17 @@
+package org.xbib.config;
+
+@SuppressWarnings("serial")
+public class ConfigException extends RuntimeException {
+
+    public ConfigException(Exception e) {
+        super(e);
+    }
+
+    public ConfigException(String message) {
+        super(message);
+    }
+
+    public ConfigException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}

config/src/main/java/org/xbib/config/ConfigFinder.java

@@ -0,0 +1,168 @@
+package org.xbib.config;
+
+import java.io.IOException;
+import java.nio.file.FileSystem;
+import java.nio.file.FileSystems;
+import java.nio.file.FileVisitOption;
+import java.nio.file.FileVisitResult;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.PathMatcher;
+import java.nio.file.SimpleFileVisitor;
+import java.nio.file.attribute.BasicFileAttributes;
+import java.nio.file.attribute.FileTime;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.EnumSet;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+public class ConfigFinder {
+
+    private final FileSystem fileSystem;
+
+    private final EnumSet<FileVisitOption> opts;
+
+    private final List<Path> result;
+
+    private Comparator<Path> comparator;
+
+    public ConfigFinder() {
+        this(FileSystems.getDefault(), EnumSet.of(FileVisitOption.FOLLOW_LINKS));
+    }
+
+    public ConfigFinder(FileSystem fileSystem, EnumSet<FileVisitOption> opts) {
+        this.fileSystem = fileSystem;
+        this.opts = opts;
+        this.result = new ArrayList<>();
+    }
+
+    public ConfigFinder find(String path, String pathPattern) throws IOException {
+        return find(null, null, fileSystem.getPath(path), pathPattern);
+    }
+
+    public ConfigFinder find(String base, String basePattern, String path, String pathPattern) throws IOException {
+        return find(base == null || base.isEmpty() ? null : fileSystem.getPath(base), basePattern,
+                path == null || path.isEmpty() ? null : fileSystem.getPath(path), pathPattern);
+    }
+
+    public ConfigFinder find(Path base, String basePattern, Path path, String pathPattern) throws IOException {
+        return find(base, basePattern, path, pathPattern, null);
+    }
+
+    /**
+     * Find the most recent version of a file.
+     *
+     * @param base        the path of the base directory
+     * @param basePattern a pattern to match directory entries in the base directory or null to match '*'
+     * @param path        the path of the file if no recent path can be found in the base directory or null
+     * @param pathPattern     the file name pattern to match
+     * @param modifiedSince time stamp for file or null
+     * @return this Finder
+     * @throws IOException if find fails
+     */
+    public ConfigFinder find(Path base,
+                             String basePattern,
+                             Path path,
+                             String pathPattern,
+                             FileTime modifiedSince) throws IOException {
+        if (base != null && path == null) {
+            // find input in base
+            final PathMatcher baseMatcher = base.getFileSystem()
+                    .getPathMatcher("glob:" + (basePattern != null ? basePattern : "*"));
+            final PathMatcher pathMatcher = base.getFileSystem()
+                    .getPathMatcher("glob:" + (pathPattern != null ? pathPattern : "*"));
+            List<Path> directories = new ArrayList<>();
+            List<Path> list = Files.find(base, 1,
+                    (p, a) -> {
+                        if (Files.isDirectory(p) && baseMatcher.matches(p.getFileName())) {
+                            directories.add(p);
+                            return false;
+                        }
+                        return Files.isRegularFile(p) && pathMatcher.matches(p.getFileName());
+                    }, FileVisitOption.FOLLOW_LINKS)
+                    .collect(Collectors.toList());
+            if (directories.isEmpty()) {
+                return this;
+            }
+            list.sort(LAST_MODIFIED_COMPARATOR.reversed());
+            result.addAll(list);
+            path = list.iterator().next();
+        }
+        if (path == null) {
+            return this;
+        }
+        final PathMatcher pathMatcher = path.getFileSystem()
+                .getPathMatcher("glob:" + (pathPattern != null ? pathPattern : "*"));
+        Files.walkFileTree(path, opts, Integer.MAX_VALUE, new SimpleFileVisitor<>() {
+            @Override
+            public FileVisitResult visitFile(Path p, BasicFileAttributes a) {
+                if ((Files.isRegularFile(p) && pathMatcher.matches(p.getFileName())) &&
+                        (modifiedSince == null || a.lastModifiedTime().toMillis() > modifiedSince.toMillis())) {
+                    result.add(p);
+                }
+                return FileVisitResult.CONTINUE;
+            }
+        });
+        return this;
+    }
+
+    public ConfigFinder sortBy(String mode) {
+        if ("lastmodified".equals(mode)) {
+            this.comparator = LAST_MODIFIED_COMPARATOR;
+        } else if ("name".equals(mode)) {
+            this.comparator = PATH_NAME_COMPARATOR;
+        }
+        return this;
+    }
+
+    public ConfigFinder order(String mode) {
+        if ("desc".equals(mode)) {
+            this.comparator = Collections.reverseOrder(comparator);
+        }
+        return this;
+    }
+
+    public Stream<Path> getPathFiles() {
+        return getPathFiles(-1);
+    }
+
+    public Stream<Path> getPathFiles(long max) {
+        if (comparator != null) {
+            result.sort(comparator);
+        }
+        return result.stream().limit(max < 0 ? result.size() : max);
+    }
+
+    public Stream<Path> skipPathFiles(long skip) {
+        if (comparator != null) {
+            result.sort(comparator);
+        }
+        return result.stream().skip(skip < 0 ? 0 : skip);
+    }
+
+    public Stream<String> getPaths() {
+        return getPaths(-1);
+    }
+
+    public Stream<String> getPaths(long max) {
+        if (comparator != null) {
+            result.sort(comparator);
+        }
+        return result.stream()
+                .map(p -> p.toAbsolutePath().toString())
+                .limit(max < 0 ? result.size() : max);
+    }
+
+   private static final Comparator<Path> LAST_MODIFIED_COMPARATOR = Comparator.comparing(p -> {
+        try {
+            return Files.getLastModifiedTime(p);
+        } catch (IOException e) {
+            return null;
+        }
+   });
+
+    private static final Comparator<Path> PATH_NAME_COMPARATOR = Comparator.comparing(Path::toString);
+}

config/src/main/java/org/xbib/config/ConfigLoader.java

@@ -0,0 +1,311 @@
+package org.xbib.config;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.Reader;
+import java.io.StringReader;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+import java.util.Optional;
+import java.util.ServiceLoader;
+import java.util.stream.Collectors;
+import org.xbib.settings.Settings;
+import org.xbib.settings.SettingsBuilder;
+import org.xbib.settings.SettingsLoader;
+import org.xbib.settings.SettingsLoaderService;
+
+/**
+ * A configuration loader for configuration files.
+ */
+public class ConfigLoader {
+
+    private static final Map<ConfigParams, Settings> map = new HashMap<>();
+
+    private ConfigLogger logger;
+
+    private ConfigLoader() {
+    }
+
+    private static class Holder {
+        private static ConfigLogger createConfigLogger() {
+            ServiceLoader<ConfigLogger> serviceLoader = ServiceLoader.load(ConfigLogger.class);
+            Optional<ConfigLogger> optionalConfigLogger = serviceLoader.findFirst();
+            return optionalConfigLogger.orElse(new NullConfigLogger());
+        }
+
+        private static final ConfigLoader configLoader = new ConfigLoader().withLogger(createConfigLogger());
+    }
+
+    public static ConfigLoader getInstance() {
+        return Holder.configLoader;
+    }
+
+    public ConfigLoader withLogger(ConfigLogger logger) {
+        this.logger = logger;
+        return this;
+    }
+
+    public synchronized Settings load(ConfigParams configParams) throws ConfigException {
+        map.computeIfAbsent(configParams, p -> internalLoad(p)
+                .replacePropertyPlaceholders()
+                .build());
+        return map.get(configParams);
+    }
+
+    private SettingsBuilder internalLoad(ConfigParams params) throws ConfigException {
+        SettingsBuilder settings = Settings.settingsBuilder();
+        if (params.withSystemEnvironment) {
+            settings.loadFromSystemEnvironment();
+        }
+        if (params.withSystemProperties) {
+            settings.loadFromSystemProperties();
+        }
+        if (!params.settings.isEmpty()) {
+            for (Settings s : params.settings) {
+                settings.put(s);
+            }
+        }
+        if (!params.reader.isEmpty()) {
+            for (ConfigParams.SuffixedReader reader : params.reader) {
+                SettingsBuilder readerSettings = createSettingsFromReader(reader.reader, reader.suffix);
+                if (readerSettings != null) {
+                    settings.put(readerSettings.build());
+                    if (!params.includeAll) {
+                        return overrideFromProperties(params, settings);
+                    }
+                }
+            }
+        }
+        if (params.args != null) {
+            SettingsBuilder argsSettings = createSettingsFromArgs(params);
+            if (argsSettings != null) {
+                settings.put(argsSettings.build());
+                if (!params.includeAll) {
+                    return overrideFromProperties(params, settings);
+                }
+            }
+        }
+        if (params.withStdin) {
+            SettingsBuilder stdinSettings = createSettingsFromStdin();
+            if (stdinSettings != null) {
+                settings.put(stdinSettings.build());
+                if (!params.includeAll) {
+                    return overrideFromProperties(params, settings);
+                }
+            }
+        }
+        if (!params.fileLocations.isEmpty()) {
+            SettingsBuilder fileSettings = createSettingsFromFile(params.fileLocations);
+            if (fileSettings != null) {
+                settings.put(fileSettings.build());
+                if (!params.includeAll) {
+                    return overrideFromProperties(params, settings);
+                }
+            }
+        }
+        if (!params.fileNamesWithoutSuffix.isEmpty()) {
+            for (String fileNameWithoutSuffix : params.fileNamesWithoutSuffix) {
+                SettingsBuilder fileSettings = createSettingsFromFile(createListOfLocations(params, fileNameWithoutSuffix));
+                if (fileSettings != null) {
+                    settings.put(fileSettings.build());
+                    if (!params.includeAll) {
+                        return overrideFromProperties(params, settings);
+                    }
+                }
+            }
+            for (String fileNameWithoutSuffix : params.fileNamesWithoutSuffix) {
+                if (params.classLoaders != null) {
+                    for (ClassLoader cl : params.classLoaders) {
+                        if (cl != null) {
+                            SettingsBuilder classpathSettings = createClasspathSettings(params, cl, fileNameWithoutSuffix);
+                            if (classpathSettings != null) {
+                                settings.put(classpathSettings.build());
+                                if (!params.includeAll) {
+                                    return overrideFromProperties(params, settings);
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+        if (!params.jdbcLookups.isEmpty()) {
+            for (ConfigParams.JdbcLookup jdbcLookup : params.jdbcLookups) {
+                try {
+                    settings.fromJdbc(jdbcLookup.connection, jdbcLookup.statement, jdbcLookup.params);
+                } catch (SQLException sqlException) {
+                    throw new ConfigException(sqlException);
+                }
+            }
+        }
+        if (params.includeAll) {
+            return overrideFromProperties(params, settings);
+        }
+        if (params.failIfEmpty) {
+            throw new ConfigException("no config found");
+        }
+        return settings;
+    }
+
+    private SettingsBuilder createSettingsFromArgs(ConfigParams params) throws ConfigException {
+        if (!params.fileNamesWithoutSuffix.isEmpty() && params.args != null) {
+            for (String fileNameWithoutSuffix : params.fileNamesWithoutSuffix) {
+                for (String suffix : SettingsLoaderService.getInstance().getSuffixes()) {
+                    for (int i = 0; i < params.args.size() - 1; i++) {
+                        String arg = params.args.get(i);
+                        String s = params.directoryName != null ?
+                                "--" + params.directoryName + "-" + fileNameWithoutSuffix + "." + suffix :
+                                "--" + fileNameWithoutSuffix + "." + suffix;
+                        if (arg.equals(s)) {
+                            return createSettingsFromReader(new StringReader(params.args.get(i + 1)), suffix);
+                        }
+                    }
+                }
+            }
+        }
+        return null;
+    }
+
+    private SettingsBuilder createSettingsFromStdin() throws ConfigException {
+        if (System.in != null) {
+            try {
+                int numBytesWaiting = System.in.available();
+                if (numBytesWaiting > 0) {
+                    String suffix = System.getProperty("config.format", "yaml");
+                    return createSettingsFromStream(System.in, "." + suffix);
+                }
+            } catch (IOException e) {
+                throw new ConfigException(e);
+            }
+        }
+        return null;
+    }
+
+    private SettingsBuilder createSettingsFromFile(List<String> settingsFileNames) throws ConfigException {
+        SettingsBuilder settings = Settings.settingsBuilder();
+        for (String settingsFileName: settingsFileNames) {
+            int pos = settingsFileName.lastIndexOf('.');
+            String suffix = (pos > 0 ? settingsFileName.substring(pos + 1) : "").toLowerCase(Locale.ROOT);
+            Path path = Paths.get(settingsFileName);
+            if (logger != null) {
+                logger.info("trying " + path);
+            }
+            if (Files.exists(path)) {
+                if (logger != null) {
+                    logger.info("found path: " + path);
+                }
+                System.setProperty("config.path", path.getParent().toString());
+                try {
+                    InputStream inputStream = Files.newInputStream(path);
+                    SettingsBuilder fileSettings = createSettingsFromStream(inputStream, suffix);
+                    if (fileSettings != null) {
+                        settings.put(fileSettings.build());
+                    }
+                } catch (Exception e) {
+                    throw new ConfigException(e);
+                }
+            }
+        }
+        return settings.isEmpty() ? null : settings;
+    }
+
+    private SettingsBuilder createClasspathSettings(ConfigParams params,
+                                                    ClassLoader classLoader,
+                                                    String fileNameWithoutSuffix) throws ConfigException {
+        SettingsBuilder settings = Settings.settingsBuilder();
+        for (String suffix : SettingsLoaderService.getInstance().getSuffixes()) {
+            String path = params.directoryName != null ?
+                    params.directoryName + '-' + fileNameWithoutSuffix + suffix :  fileNameWithoutSuffix + suffix;
+            InputStream inputStream = classLoader.getResourceAsStream(path);
+            if (inputStream != null) {
+                if (logger != null) {
+                    logger.info("found resource: " + path);
+                }
+                SettingsBuilder streamSettings = createSettingsFromStream(inputStream, suffix);
+                if (streamSettings != null) {
+                    settings.put(streamSettings.build());
+                }
+            }
+        }
+        return settings.isEmpty() ? null : settings;
+    }
+
+    private SettingsBuilder createSettingsFromStream(InputStream inputStream,
+                                                     String suffix) throws ConfigException {
+        if (inputStream == null) {
+            if (logger != null) {
+                logger.error("unable to open input stream");
+            }
+            return null;
+        }
+        return createSettingsFromReader(new InputStreamReader(inputStream, StandardCharsets.UTF_8), suffix);
+    }
+
+    private SettingsBuilder createSettingsFromReader(Reader reader,
+                                                     String suffix) throws ConfigException {
+        if (reader == null) {
+            if (logger != null) {
+                logger.error("unable to open reader");
+            }
+            return null;
+        }
+        SettingsLoader settingsLoader = SettingsLoaderService.getInstance().loaderFromResource(suffix);
+        if (settingsLoader != null) {
+            SettingsBuilder settings;
+            try (BufferedReader bufferedReader = new BufferedReader(reader)) {
+                String content = bufferedReader.lines().collect(Collectors.joining("\n"));
+                settings = Settings.settingsBuilder().put(settingsLoader.load(content));
+            } catch (IOException e) {
+                throw new ConfigException(e);
+            }
+            return settings;
+        } else {
+            if (logger != null) {
+                logger.error("suffix is invalid: " + suffix);
+            }
+        }
+        return null;
+    }
+
+    private SettingsBuilder overrideFromProperties(ConfigParams params, SettingsBuilder settingsBuilder) {
+        if (params.withSystemPropertiesOverride) {
+            settingsBuilder.map(e -> {
+                String key = e.getKey();
+                String value = System.getProperty(params.directoryName != null ? params.directoryName + '.' + key : key);
+                return value != null ? Map.entry(key, value) : Map.entry(key, e.getValue());
+            });
+        }
+        return settingsBuilder;
+    }
+
+    private List<String> createListOfLocations(ConfigParams params,
+                                               String fileNameWithoutSuffix) {
+        List<String> list = new ArrayList<>();
+        for (String suffix : SettingsLoaderService.getInstance().getSuffixes()) {
+            String xdgConfigHome = System.getenv("XDG_CONFIG_HOME");
+            if (xdgConfigHome == null) {
+                xdgConfigHome = System.getProperty("user.home") + "/.config";
+            }
+            if (params.directoryName != null) {
+                list.add(params.directoryName + '-' + fileNameWithoutSuffix + "." + suffix);
+                list.add(xdgConfigHome + '/' + params.directoryName + '/' + fileNameWithoutSuffix + "." + suffix);
+                list.add("/etc/" + params.directoryName + '/' + fileNameWithoutSuffix + "." + suffix);
+            } else {
+                list.add(fileNameWithoutSuffix + "." + suffix);
+                list.add(xdgConfigHome + '/' + fileNameWithoutSuffix + "." + suffix);
+                list.add("/etc/" + fileNameWithoutSuffix + "." + suffix);
+            }
+        }
+        return list;
+    }
+}

config/src/main/java/org/xbib/config/ConfigLogger.java

@@ -0,0 +1,10 @@
+package org.xbib.config;
+
+public interface ConfigLogger {
+
+    void info(String string);
+
+    void warn(String string);
+
+    void error(String message);
+}

config/src/main/java/org/xbib/config/ConfigParams.java

@@ -0,0 +1,192 @@
+package org.xbib.config;
+
+import java.io.IOException;
+import java.io.Reader;
+import java.sql.Connection;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Comparator;
+import java.util.List;
+import java.util.Objects;
+import org.xbib.settings.Settings;
+import org.xbib.settings.datastructures.DatastructureSettings;
+
+public class ConfigParams implements Comparable<ConfigParams> {
+
+    private static final Comparator<ConfigParams> COMPARATOR =
+            Comparator.comparing(ConfigParams::toString);
+
+    boolean withSystemEnvironment = false;
+
+    boolean withSystemProperties = false;
+
+    boolean failIfEmpty = false;
+
+    boolean includeAll = false;
+
+    boolean withStdin = false;
+
+    boolean withSystemPropertiesOverride = false;
+
+    List<ClassLoader> classLoaders = null;
+
+    final List<SuffixedReader> reader = new ArrayList<>();
+
+    final List<JdbcLookup> jdbcLookups = new ArrayList<>();
+
+    final List<DatastructureSettings> settings = new ArrayList<>();
+
+    List<String> args = null;
+
+    String directoryName = null;
+
+    final List<String> fileNamesWithoutSuffix = new ArrayList<>();
+
+    final List<String> fileLocations = new ArrayList<>();
+
+    public ConfigParams() {
+    }
+
+    public ConfigParams withSystemEnvironment() {
+        this.withSystemEnvironment = true;
+        return this;
+    }
+
+    public ConfigParams withSystemProperties() {
+        this.withSystemProperties = true;
+        return this;
+    }
+
+    public ConfigParams withSystemPropertiesOverride() {
+        this.withSystemPropertiesOverride = true;
+        return this;
+    }
+
+    public ConfigParams includeAll() {
+        this.includeAll = true;
+        return this;
+    }
+
+    public ConfigParams failIfEmpty() {
+        this.failIfEmpty = true;
+        return this;
+    }
+
+    public ConfigParams withStdin(boolean withStdin) {
+        this.withStdin = withStdin;
+        return this;
+    }
+
+    public ConfigParams withArgs(String[] args) {
+        this.args = Arrays.asList(args);
+        return this;
+    }
+
+    public ConfigParams withClassLoaders(ClassLoader... classLoaders) {
+        this.classLoaders = Arrays.asList(classLoaders);
+        return this;
+    }
+
+    public ConfigParams withReader(Reader reader, String suffix) {
+        SuffixedReader suffixedReader = new SuffixedReader();
+        suffixedReader.reader = reader;
+        suffixedReader.suffix = suffix;
+        this.reader.add(suffixedReader);
+        return this;
+    }
+
+    public ConfigParams withSettings(Settings settings) {
+        this.settings.add(DatastructureSettings.builder().put(settings.getAsMap()).build());
+        return this;
+    }
+
+    public ConfigParams withDirectoryName(String directoryName) {
+        this.directoryName = directoryName;
+        return this;
+    }
+
+    public ConfigParams withFileNamesWithoutSuffix(String... fileNamesWithoutSuffix) {
+        this.fileNamesWithoutSuffix.addAll(Arrays.asList(fileNamesWithoutSuffix));
+        return this;
+    }
+
+    public ConfigParams withLocation(String location) {
+        this.fileLocations.add(location);
+        return this;
+    }
+
+    public ConfigParams withPath(String basePath, String basePattern, String path, String pathPattern) throws IOException {
+        ConfigFinder configFinder = new ConfigFinder();
+        configFinder.find(basePath, basePattern, path, pathPattern).getPaths().forEach(this::withLocation);
+        return this;
+    }
+
+    public ConfigParams withJdbc(Connection connection, String statement, String[] params) {
+        JdbcLookup jdbcLookup = new JdbcLookup();
+        jdbcLookup.connection = connection;
+        jdbcLookup.statement = statement;
+        jdbcLookup.params = params;
+        jdbcLookups.add(jdbcLookup);
+        return this;
+    }
+
+    @Override
+    public int hashCode() {
+        return toString().hashCode();
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        ConfigParams that = (ConfigParams) o;
+        return withSystemEnvironment == that.withSystemEnvironment &&
+                withSystemProperties == that.withSystemProperties &&
+                failIfEmpty == that.failIfEmpty &&
+                includeAll == that.includeAll &&
+                withStdin == that.withStdin &&
+                withSystemPropertiesOverride == that.withSystemPropertiesOverride &&
+                Objects.equals(classLoaders, that.classLoaders) &&
+                Objects.equals(reader, that.reader) &&
+                Objects.equals(jdbcLookups, that.jdbcLookups) &&
+                Objects.equals(settings, that.settings) &&
+                Objects.equals(args, that.args) &&
+                Objects.equals(directoryName, that.directoryName) &&
+                Objects.equals(fileNamesWithoutSuffix, that.fileNamesWithoutSuffix) &&
+                Objects.equals(fileLocations, that.fileLocations);
+    }
+
+    @Override
+    public int compareTo(ConfigParams o) {
+        return COMPARATOR.compare(this, o);
+    }
+
+    @Override
+    public String toString() {
+        return "" +
+                withSystemEnvironment +
+                withSystemProperties +
+                withStdin +
+                classLoaders +
+                reader +
+                args +
+                directoryName +
+                fileNamesWithoutSuffix +
+                fileLocations;
+    }
+
+    static class SuffixedReader {
+        Reader reader;
+        String suffix;
+    }
+
+    static class JdbcLookup {
+        Connection connection;
+        String statement;
+        String[] params;
+    }
+}

config/src/main/java/org/xbib/config/NullConfigLogger.java

@@ -0,0 +1,19 @@
+package org.xbib.config;
+
+public class NullConfigLogger implements ConfigLogger {
+
+    public NullConfigLogger() {
+    }
+
+    @Override
+    public void info(String string) {
+    }
+
+    @Override
+    public void warn(String message) {
+    }
+
+    @Override
+    public void error(String message) {
+    }
+}

config/src/main/java/org/xbib/config/SystemConfigLogger.java

@@ -0,0 +1,22 @@
+package org.xbib.config;
+
+public class SystemConfigLogger implements ConfigLogger {
+
+    public SystemConfigLogger() {
+    }
+
+    @Override
+    public void info(String string) {
+        System.err.println("info: " + string);
+    }
+
+    @Override
+    public void warn(String message) {
+        System.err.println("warning: " + message);
+    }
+
+    @Override
+    public void error(String message) {
+        System.err.println("error: " + message);
+    }
+}

config/src/main/java/org/xbib/config/package-info.java

@@ -0,0 +1,4 @@
+/**
+ * Classes for configuration setup.
+ */
+package org.xbib.config;

config/src/test/java/org/xbib/config/test/ConfigLoaderTest.java

@@ -0,0 +1,76 @@
+package org.xbib.config.test;
+
+import java.io.IOException;
+import java.io.Reader;
+import java.io.StringReader;
+import org.junit.jupiter.api.Test;
+import org.xbib.config.ConfigLoader;
+import org.xbib.config.ConfigParams;
+import org.xbib.settings.Settings;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+public class ConfigLoaderTest {
+
+    @Test
+    public void configEmptyTest() {
+        Settings settings = ConfigLoader.getInstance()
+                .load(new ConfigParams());
+        assertTrue(settings.isEmpty());
+    }
+
+    @Test
+    public void configSettingsTest() {
+        Settings configSettings = Settings.settingsBuilder()
+                .put("hello", "world")
+                .build();
+        Settings settings = ConfigLoader.getInstance()
+                .load(new ConfigParams().withSettings(configSettings));
+        assertEquals("world", settings.get("hello"));
+    }
+
+    @Test
+    public void configArgsTest() {
+        String[] args = new String[] {
+                "--config.yaml",
+                "hello: world"
+        };
+        Settings settings = ConfigLoader.getInstance()
+                .load(new ConfigParams()
+                        .withArgs(args)
+                        .withFileNamesWithoutSuffix("config"));
+        assertEquals("world", settings.get("hello"));
+    }
+
+    @Test
+    public void configPropertiesTest() {
+        Reader reader = new StringReader("a=b");
+        Settings settings = ConfigLoader.getInstance()
+                .load(new ConfigParams()
+                        .withReader(reader, "properties"));
+        assertEquals("b", settings.get("a"));
+    }
+
+    @Test
+    public void configFileTest() throws IOException {
+        Settings settings = ConfigLoader.getInstance()
+                .load(new ConfigParams()
+                        .withPath(null, null, "src/test/resources", "config.*"));
+        assertEquals("world", settings.get("hello"));
+        assertEquals("world2", settings.get("hello2"));
+    }
+
+    @Test
+    public void testSystemPropertiesOverride() throws IOException {
+        System.setProperty("hello", "override");
+        Settings settings = ConfigLoader.getInstance()
+                .load(new ConfigParams()
+                        .withPath(null, null, "src/test/resources", "config.*"));
+        assertEquals("world", settings.get("hello"));
+        settings = ConfigLoader.getInstance()
+                .load(new ConfigParams()
+                        .withSystemPropertiesOverride()
+                        .withPath(null, null, "src/test/resources", "config.*"));
+        assertEquals("override", settings.get("hello"));
+    }
+}

config/src/test/java/org/xbib/config/test/package-info.java

@@ -0,0 +1,4 @@
+/**
+ * Test classes for config.
+ */
+package org.xbib.config.test;

config/src/test/resources/META-INF/services/org.xbib.config.ConfigLogger

@@ -0,0 +1,2 @@
+org.xbib.config.NullConfigLogger
+org.xbib.config.SystemConfigLogger

config/src/test/resources/META-INF/services/org.xbib.settings.SettingsLoader

@@ -0,0 +1,3 @@
+org.xbib.settings.datastructures.PropertiesSettingsLoader
+org.xbib.settings.datastructures.json.JsonSettingsLoader
+org.xbib.settings.datastructures.yaml.YamlSettingsLoader

config/src/test/resources/config.json

@@ -0,0 +1,3 @@
+{
+  "hello2": "world2"
+}

config/src/test/resources/config.yaml

@@ -0,0 +1 @@
+hello: world

content-csv/build.gradle

@@ -1,11 +0,0 @@
-
-def moduleName = 'org.xbib.content.csv.test'
-def patchArgs = ['--patch-module', "$moduleName=" + files(sourceSets.test.resources.srcDirs).asPath ]
-
-tasks.named('compileTestJava') {
-    options.compilerArgs += patchArgs
-}
-
-tasks.named('test') {
-    jvmArgs += patchArgs
-}

content-csv/src/test/java/module-info.java

@@ -1,6 +0,0 @@
-module org.xbib.content.csv.test {
-    requires org.junit.jupiter.api;
-    requires org.xbib.content.csv;
-    exports org.xbib.content.csv.test;
-    opens org.xbib.content.csv.test to org.junit.platform.commons;
-}

content-csv/src/test/java/org/xbib/content/csv/CSVGeneratorTest.java

@@ -1,8 +1,6 @@
-package org.xbib.content.csv.test;
+package org.xbib.content.csv;
 
 import org.junit.jupiter.api.Test;
-import org.xbib.content.csv.CSVGenerator;
-
 import java.io.IOException;
 import java.io.StringWriter;
 import java.util.Arrays;

content-csv/src/test/java/org/xbib/content/csv/CSVParserTest.java

@@ -1,9 +1,7 @@
-package org.xbib.content.csv.test;
+package org.xbib.content.csv;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import org.junit.jupiter.api.Test;
-import org.xbib.content.csv.CSVParser;
-
 import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStream;
@@ -12,13 +10,16 @@ import java.nio.charset.StandardCharsets;
 import java.util.Iterator;
 import java.util.List;
 
+/**
+ *
+ */
 public class CSVParserTest {
 
     @Test
     public void testCommaSeparated() throws IOException {
-        InputStream inputStream = getClass().getResourceAsStream("test.csv");
+        InputStream in = getClass().getResourceAsStream("test.csv");
         int count = 0;
-        try (BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream, StandardCharsets.UTF_8))) {
+        try (BufferedReader reader = new BufferedReader(new InputStreamReader(in, StandardCharsets.UTF_8))) {
             CSVParser csvParser = new CSVParser(reader);
             Iterator<List<String>> it = csvParser.iterator();
             while (it.hasNext()) {
@@ -31,9 +32,9 @@ public class CSVParserTest {
 
     @Test
     public void testLargeFile() throws IOException {
-        InputStream inputStream = getClass().getResourceAsStream("titleFile.csv");
+        InputStream in = getClass().getResourceAsStream("titleFile.csv");
         int count = 0;
-        try (BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream, StandardCharsets.UTF_8))) {
+        try (BufferedReader reader = new BufferedReader(new InputStreamReader(in, StandardCharsets.UTF_8))) {
             CSVParser csvParser = new CSVParser(reader);
             Iterator<List<String>> it = csvParser.iterator();
             while (it.hasNext()) {

content-csv/src/test/java/org/xbib/content/csv/TSVParserTest.java

@@ -1,4 +1,4 @@
-package org.xbib.content.csv.test;
+package org.xbib.content.csv;
 
 import org.junit.jupiter.api.Test;
 import java.io.BufferedReader;

content-csv/src/test/java/org/xbib/content/csv/package-info.java

@@ -0,0 +1,4 @@
+/**
+ * Classes for testing CSV content.
+ */
+package org.xbib.content.csv;

content-csv/src/test/resources/log4j2-test.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration status="OFF">
+    <appenders>
+        <Console name="Console" target="SYSTEM_OUT">
+            <PatternLayout pattern="[%d{ABSOLUTE}][%-5p][%-25c][%t] %m%n"/>
+        </Console>
+    </appenders>
+    <Loggers>
+        <Root level="info">
+            <AppenderRef ref="Console" />
+        </Root>
+    </Loggers>
+</configuration>

content-json/build.gradle

@@ -1,15 +1,5 @@
 dependencies {
     api project(':content-core')
     api libs.jackson.databind
-    testImplementation testLibs.mockito.core
-}
-
-def patchArgs = ['--patch-module', "org.xbib.content.json.test=" + sourceSets.test.resources.sourceDirectories.singleFile]
-
-tasks.named('compileTestJava') {
-    options.compilerArgs += patchArgs
-}
-
-tasks.named('test') {
-    jvmArgs += patchArgs
+    testImplementation libs.mockito.inline
 }

content-json/src/main/java/org/xbib/content/json/JsonXContentGenerator.java

@@ -19,7 +19,6 @@ public class JsonXContentGenerator extends AbstractXContentGenerator {
 
     private final JsonGeneratorDelegate delegate;
 
-    @SuppressWarnings("this-escape")
     public JsonXContentGenerator(JsonGenerator generator) {
         this.delegate = new JsonGeneratorDelegate(generator);
         super.setGenerator(delegate);

content-json/src/main/java/org/xbib/content/json/JsonXContentParser.java

@@ -53,7 +53,7 @@ public class JsonXContentParser extends AbstractXContentParser {
 
     @Override
     public String currentName() throws IOException {
-        return parser.currentName();
+        return parser.getCurrentName();
     }
 
     @Override

content-json/src/main/java/org/xbib/content/json/jackson/JsonLoader.java

@@ -6,9 +6,11 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.Reader;
 import java.io.StringReader;
+import java.net.URL;
 
 /**
  * Utility class to load JSON values from various sources as {@link com.fasterxml.jackson.databind.JsonNode}s.
+ *
  * This class uses a {@link JsonNodeReader} to parse JSON inputs.
  *
  * @see JsonNodeReader
@@ -23,28 +25,34 @@ public final class JsonLoader {
     }
 
     /**
-     * Read a {@link com.fasterxml.jackson.databind.JsonNode} from an input stream.
+     * Read a {@link com.fasterxml.jackson.databind.JsonNode} from a resource path.
+     *
+     * This method first tries and loads the resource using {@link
+     * Class#getResource(String)}; if not found, is tries and uses the context
+     * classloader and if this is not found, this class's classloader.
+     *
      * This method throws an {@link java.io.IOException} if the resource does not
      * exist.
      *
-     * @param inputStream the input stream
+     * @param classLoader the class loader
+     * @param resource    the path to the resource (must begin
+     *                    with a {@code /})
      * @return the JSON document at the resource
      * @throws IllegalArgumentException resource path does not begin with a
      *                                  {@code /}
      * @throws java.io.IOException      there was a problem loading the resource, or the JSON
      *                                  document is invalid
      */
-    public static JsonNode fromResource(InputStream inputStream)
+    public static JsonNode fromResource(ClassLoader classLoader, final String resource)
             throws IOException {
+        URL url = JsonLoader.class.getResource(resource);
+        InputStream in = url != null ? url.openStream() : classLoader.getResourceAsStream(resource);
         final JsonNode ret;
         try {
-            if (inputStream == null) {
-                throw new IOException("not found");
-            }
-            ret = READER.fromInputStream(inputStream);
+            ret = READER.fromInputStream(in);
         } finally {
-            if (inputStream != null) {
-                inputStream.close();
+            if (in != null) {
+                in.close();
             }
         }
         return ret;

content-json/src/main/java/org/xbib/content/json/jackson/JsonNodeReader.java

@@ -1,6 +1,5 @@
 package org.xbib.content.json.jackson;
 
-import com.fasterxml.jackson.core.ErrorReportConfiguration;
 import com.fasterxml.jackson.core.JsonLocation;
 import com.fasterxml.jackson.core.JsonParseException;
 import com.fasterxml.jackson.core.JsonParser;
@@ -36,7 +35,7 @@ public final class JsonNodeReader {
     private final ObjectReader reader;
 
     public JsonNodeReader(final ObjectMapper mapper) {
-        this.reader = mapper.configure(JsonParser.Feature.AUTO_CLOSE_SOURCE, true)
+        reader = mapper.configure(JsonParser.Feature.AUTO_CLOSE_SOURCE, true)
                 .readerFor(JsonNode.class);
     }
 
@@ -65,14 +64,13 @@ public final class JsonNodeReader {
     /**
      * Read a JSON value from an {@link java.io.InputStream}.
      *
-     * @param inputStream the input stream
+     * @param in the input stream
      * @return the value
      * @throws java.io.IOException malformed input, or problem encountered when reading
      *                             from the stream
      */
-    public JsonNode fromInputStream(final InputStream inputStream) throws IOException {
-        try (JsonParser parser = reader.getFactory().createParser(inputStream);
-             MappingIterator<JsonNode> iterator = reader.readValues(parser)) {
+    public JsonNode fromInputStream(final InputStream in) throws IOException {
+        try (JsonParser parser = reader.getFactory().createParser(in); MappingIterator<JsonNode> iterator = reader.readValues(parser)) {
             return readNode(iterator);
         }
     }
@@ -80,14 +78,13 @@ public final class JsonNodeReader {
     /**
      * Read a JSON value from a {@link java.io.Reader}.
      *
-     * @param reader the reader
+     * @param r the reader
      * @return the value
      * @throws java.io.IOException malformed input, or problem encountered when reading
      *                             from the reader
      */
-    public JsonNode fromReader(final Reader reader) throws IOException {
-        try (JsonParser parser = this.reader.getFactory().createParser(reader);
-             MappingIterator<JsonNode> iterator = this.reader.readValues(parser)) {
+    public JsonNode fromReader(final Reader r) throws IOException {
+        try (JsonParser parser = reader.getFactory().createParser(r); MappingIterator<JsonNode> iterator = reader.readValues(parser)) {
             return readNode(iterator);
         }
     }
@@ -100,7 +97,7 @@ public final class JsonNodeReader {
 
         private JsonParseExceptionBuilder(final JsonParser jsonParser, final Object source) {
             this.jsonParser = jsonParser;
-            location = new JsonLocation(ContentReference.construct(false, source, ErrorReportConfiguration.defaults()), 0L, 1, 1);
+            location = new JsonLocation(ContentReference.construct(false, source), 0L, 1, 1);
         }
 
         JsonParseExceptionBuilder setLocation(final JsonLocation location) {

content-json/src/main/java/org/xbib/content/json/pointer/TreePointer.java

@@ -45,7 +45,8 @@ public abstract class TreePointer<T extends TreeNode> implements Iterable<TokenR
      * @param missing        the representation of a missing node (may be null)
      * @param tokenResolvers the list of reference token resolvers
      */
-    protected TreePointer(final T missing, final List<TokenResolver<T>> tokenResolvers) {
+    TreePointer(final T missing,
+                final List<TokenResolver<T>> tokenResolvers) {
         this.missing = missing;
         this.tokenResolvers = new ArrayList<>(tokenResolvers);
     }
@@ -57,7 +58,7 @@ public abstract class TreePointer<T extends TreeNode> implements Iterable<TokenR
      *
      * @param tokenResolvers the list of token resolvers
      */
-    TreePointer(final List<TokenResolver<T>> tokenResolvers) {
+    protected TreePointer(final List<TokenResolver<T>> tokenResolvers) {
         this(null, tokenResolvers);
     }
 
@@ -69,7 +70,7 @@ public abstract class TreePointer<T extends TreeNode> implements Iterable<TokenR
      * @throws JsonPointerException input is not a valid JSON Pointer
      * @throws NullPointerException input is null
      */
-    public static List<ReferenceToken> tokensFromInput(final String input)
+    protected static List<ReferenceToken> tokensFromInput(final String input)
             throws JsonPointerException {
         String s = input;
         final List<ReferenceToken> ret = new ArrayList<>();

content-json/src/test/java/module-info.java

@@ -1,17 +0,0 @@
-module org.xbib.content.json.test {
-    requires com.fasterxml.jackson.core;
-    requires com.fasterxml.jackson.databind;
-    requires java.logging;
-    requires jdk.unsupported; // sun.reflect for objenesis in mockito
-    requires org.mockito;
-    requires org.junit.jupiter.api;
-    requires org.xbib.content.api;
-    requires org.xbib.content.core;
-    requires org.xbib.content.json;
-    exports org.xbib.content.json.test;
-    exports org.xbib.content.json.test.jackson;
-    exports org.xbib.content.json.test.pointer;
-    opens org.xbib.content.json.test to org.junit.platform.commons;
-    opens org.xbib.content.json.test.jackson to org.junit.platform.commons;
-    opens org.xbib.content.json.test.pointer to org.junit.platform.commons;
-}

content-json/src/test/java/org/xbib/content/json/XContentBuilderTest.java

@@ -1,4 +1,4 @@
-package org.xbib.content.json.test;
+package org.xbib.content.json;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertThrows;

content-json/src/test/java/org/xbib/content/json/XContentParserTest.java

@@ -1,10 +1,8 @@
-package org.xbib.content.json.test;
+package org.xbib.content.json;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import org.junit.jupiter.api.Test;
 import org.xbib.content.XContentParser;
-import org.xbib.content.json.JsonXContent;
-
 import java.io.IOException;
 import java.util.Map;
 import java.util.logging.Level;

content-json/src/test/java/org/xbib/content/json/jackson/JsonNodeReaderTest.java

@@ -1,4 +1,4 @@
-package org.xbib.content.json.test.jackson;
+package org.xbib.content.json.jackson;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.mockito.Mockito.spy;
@@ -8,8 +8,6 @@ import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
-import org.xbib.content.json.jackson.JsonNodeReader;
-
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import java.io.InputStream;

content-json/src/test/java/org/xbib/content/json/jackson/JsonNumEqualsTest.java

@@ -1,4 +1,4 @@
-package org.xbib.content.json.test.jackson;
+package org.xbib.content.json.jackson;
 
 import static org.junit.jupiter.api.Assertions.assertTrue;
 import com.fasterxml.jackson.databind.JsonNode;
@@ -6,14 +6,14 @@ import com.fasterxml.jackson.databind.node.ArrayNode;
 import com.fasterxml.jackson.databind.node.JsonNodeFactory;
 import com.fasterxml.jackson.databind.node.ObjectNode;
 import org.junit.jupiter.api.Test;
-import org.xbib.content.json.jackson.JsonLoader;
-import org.xbib.content.json.jackson.JsonNumEquals;
-
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 
+/**
+ *
+ */
 public final class JsonNumEqualsTest {
 
     private static final JsonNodeFactory FACTORY = JsonNodeFactory.instance;
@@ -62,7 +62,7 @@ public final class JsonNumEqualsTest {
     private Iterator<Object[]> getInputs() throws IOException {
         final List<Object[]> list = new ArrayList<>();
         JsonNode reference;
-        JsonNode testData = JsonLoader.fromResource(getClass().getResourceAsStream("testfile.json"));
+        JsonNode testData = JsonLoader.fromResource(this.getClass().getClassLoader(), "testfile.json");
         for (final JsonNode element : testData) {
             reference = element.get("reference");
             for (final JsonNode node : element.get("equivalences")) {

content-json/src/test/java/org/xbib/content/json/jackson/SampleNodeProvider.java

@@ -1,9 +1,7 @@
-package org.xbib.content.json.test.jackson;
+package org.xbib.content.json.jackson;
 
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.node.JsonNodeFactory;
-import org.xbib.content.json.jackson.JacksonUtils;
-import org.xbib.content.json.jackson.NodeType;
 
 import java.math.BigDecimal;
 import java.util.ArrayList;

content-json/src/test/java/org/xbib/content/json/jackson/package-info.java

@@ -0,0 +1,5 @@
+/**
+ * Classes for testing JSON jackson.
+ */
+package org.xbib.content.json.jackson;
+

content-json/src/test/java/org/xbib/content/json/pointer/JsonNodeResolverTest.java

@@ -1,4 +1,4 @@
-package org.xbib.content.json.test.pointer;
+package org.xbib.content.json.pointer;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNull;
@@ -9,9 +9,7 @@ import com.fasterxml.jackson.databind.node.ObjectNode;
 import org.junit.jupiter.api.Test;
 import org.xbib.content.json.jackson.JacksonUtils;
 import org.xbib.content.json.jackson.NodeType;
-import org.xbib.content.json.pointer.JsonNodeResolver;
-import org.xbib.content.json.pointer.ReferenceToken;
-import org.xbib.content.json.test.jackson.SampleNodeProvider;
+import org.xbib.content.json.jackson.SampleNodeProvider;
 import java.util.ArrayList;
 import java.util.List;
 

content-json/src/test/java/org/xbib/content/json/pointer/JsonPointerTest.java

@@ -1,4 +1,4 @@
-package org.xbib.content.json.test.pointer;
+package org.xbib.content.json.pointer;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import com.fasterxml.jackson.databind.JsonNode;
@@ -7,9 +7,7 @@ import org.junit.jupiter.api.Test;
 import org.xbib.content.json.jackson.JacksonUtils;
 import org.xbib.content.json.jackson.JsonLoader;
 import org.xbib.content.json.jackson.NodeType;
-import org.xbib.content.json.pointer.JsonPointer;
-import org.xbib.content.json.pointer.JsonPointerException;
-import org.xbib.content.json.test.jackson.SampleNodeProvider;
+import org.xbib.content.json.jackson.SampleNodeProvider;
 import java.io.IOException;
 import java.net.URI;
 import java.net.URISyntaxException;
@@ -19,14 +17,19 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 
+/**
+ *
+ */
 public final class JsonPointerTest {
 
+    private static final String PACKAGE = JsonPointerTest.class.getPackage().getName().replace('.', '/');
     private final JsonNode testData;
-
     private final JsonNode document;
 
-    public JsonPointerTest() throws IOException {
-        testData = JsonLoader.fromResource(getClass().getResourceAsStream("jsonpointer.json"));
+    public JsonPointerTest()
+            throws IOException {
+        testData = JsonLoader.fromResource(this.getClass().getClassLoader(),
+                PACKAGE + "/jsonpointer.json");
         document = testData.get("document");
     }
 

content-json/src/test/java/org/xbib/content/json/pointer/ReferenceTokenTest.java

@@ -1,12 +1,9 @@
-package org.xbib.content.json.test.pointer;
+package org.xbib.content.json.pointer;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNotEquals;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
-import org.xbib.content.json.pointer.JsonPointerException;
-import org.xbib.content.json.pointer.ReferenceToken;
-
 import java.util.Arrays;
 import java.util.List;
 

content-json/src/test/java/org/xbib/content/json/pointer/TreePointerTest.java

@@ -1,4 +1,4 @@
-package org.xbib.content.json.test.pointer;
+package org.xbib.content.json.pointer;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertFalse;
@@ -14,16 +14,14 @@ import static org.mockito.Mockito.when;
 import com.fasterxml.jackson.core.TreeNode;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
-import org.xbib.content.json.pointer.JsonPointerException;
-import org.xbib.content.json.pointer.ReferenceToken;
-import org.xbib.content.json.pointer.TokenResolver;
-import org.xbib.content.json.pointer.TreePointer;
-
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 
+/**
+ *
+ */
 public final class TreePointerTest {
 
     @Test
@@ -148,7 +146,8 @@ public final class TreePointerTest {
         assertTrue(dummy.isEmpty());
     }
 
-    private static final class DummyPointer extends TreePointer<TreeNode> {
+    private static final class DummyPointer
+            extends TreePointer<TreeNode> {
         private DummyPointer(final TreeNode missing, final List<TokenResolver<TreeNode>> tokenResolvers) {
             super(missing, tokenResolvers);
         }

content-json/src/test/java/org/xbib/content/json/pointer/package-info.java

@@ -0,0 +1,4 @@
+/**
+ * Classes for testing JSON pointer.
+ */
+package org.xbib.content.json.pointer;

content-language/src/main/java/org/xbib/content/language/Lang.java

@@ -176,11 +176,11 @@ public final class Lang extends SubtagSet {
         Subtag region = getRegion();
         Subtag variant = getVariant();
         if (variant != null && region != null) {
-            return Locale.of(primary.toString(), region.toString(), variant.toString());
+            return new Locale(primary.toString(), region.toString(), variant.toString());
         } else if (region != null) {
-            return Locale.of(primary.toString(), region.toString());
+            return new Locale(primary.toString(), region.toString());
         } else {
-            return Locale.of(primary.toString());
+            return new Locale(primary.toString());
         }
     }
 

content-rdf/build.gradle

@@ -3,13 +3,3 @@ dependencies {
     implementation project(':content-xml')
     implementation project(':content-json')
 }
-
-def patchArgs = ['--patch-module', "org.xbib.content.rdf.test=" + sourceSets.test.resources.sourceDirectories.singleFile]
-
-tasks.named('compileTestJava') {
-    options.compilerArgs += patchArgs
-}
-
-tasks.named('test') {
-    jvmArgs += patchArgs
-}

content-rdf/src/main/java/org/xbib/content/rdf/RdfContent.java

@@ -11,7 +11,7 @@ public interface RdfContent<P extends RdfContentParams> {
 
     StandardRdfContentType type();
 
-    RdfContentGenerator<P> createGenerator(P params, OutputStream out) throws IOException;
+    RdfContentGenerator<P> createGenerator(OutputStream out) throws IOException;
 
-    RdfContentParser<P> createParser(P params, InputStream in) throws IOException;
+    RdfContentParser<P> createParser(InputStream in) throws IOException;
 }

content-rdf/src/main/java/org/xbib/content/rdf/RdfContentBuilder.java

@@ -17,7 +17,7 @@ public class RdfContentBuilder<P extends RdfContentParams> implements RdfContent
 
     private final RdfContentGenerator<P> generator;
 
-    private final OutputStream outputStream;
+    private final OutputStream out;
 
     private IRI subject;
 
@@ -25,9 +25,9 @@ public class RdfContentBuilder<P extends RdfContentParams> implements RdfContent
         this(rdfContent, rdfParams, new BytesStreamOutput());
     }
 
-    public RdfContentBuilder(RdfContent<P> rdfContent, P rdfContentParams, OutputStream outputStream) throws IOException {
-        this.outputStream = outputStream;
-        this.generator = rdfContent.createGenerator(rdfContentParams, outputStream);
+    public RdfContentBuilder(RdfContent<P> rdfContent, P rdfContentParams, OutputStream out) throws IOException {
+        this.out = out;
+        this.generator = rdfContent.createGenerator(out);
         this.generator.setParams(rdfContentParams);
     }
 
@@ -54,7 +54,7 @@ public class RdfContentBuilder<P extends RdfContentParams> implements RdfContent
 
     public BytesReference bytes() throws IOException {
         close();
-        return ((BytesStreamOutput) outputStream).bytes();
+        return ((BytesStreamOutput) out).bytes();
     }
 
     public InputStream streamInput() throws IOException {

content-rdf/src/main/java/org/xbib/content/rdf/RdfContentFactory.java

@@ -14,42 +14,74 @@ import org.xbib.content.rdf.io.xml.XmlContentParams;
 import java.io.IOException;
 import java.io.OutputStream;
 
+/**
+ *
+ */
 public class RdfContentFactory {
 
     private RdfContentFactory() {
     }
 
+    public static RdfContentBuilder<NTripleContentParams> ntripleBuilder() throws IOException {
+        return NTripleContent.contentBuilder(NTripleContentParams.N_TRIPLE_CONTENT_PARAMS);
+    }
+
     public static RdfContentBuilder<NTripleContentParams> ntripleBuilder(NTripleContentParams params) throws IOException {
         return NTripleContent.contentBuilder(params);
     }
 
-    public static RdfContentBuilder<NTripleContentParams> ntripleBuilder(NTripleContentParams params, OutputStream outputStream)
+    public static RdfContentBuilder<NTripleContentParams> ntripleBuilder(OutputStream out) throws IOException {
+        return NTripleContent.contentBuilder(out, NTripleContentParams.N_TRIPLE_CONTENT_PARAMS);
+    }
+
+    public static RdfContentBuilder<NTripleContentParams> ntripleBuilder(OutputStream out, NTripleContentParams params)
             throws IOException {
-        return NTripleContent.contentBuilder(params, outputStream);
+        return NTripleContent.contentBuilder(out, params);
+    }
+
+    public static RdfContentBuilder<RdfXmlContentParams> rdfXmlBuilder() throws IOException {
+        return RdfXmlContent.contentBuilder(RdfXmlContentParams.RDF_XML_CONTENT_PARAMS);
     }
 
     public static RdfContentBuilder<RdfXmlContentParams> rdfXmlBuilder(RdfXmlContentParams params) throws IOException {
         return RdfXmlContent.contentBuilder(params);
     }
 
-    public static RdfContentBuilder<RdfXmlContentParams> rdfXmlBuilder(RdfXmlContentParams params, OutputStream outputStream)
+    public static RdfContentBuilder<RdfXmlContentParams> rdfXmlBuilder(OutputStream out) throws IOException {
+        return RdfXmlContent.contentBuilder(out, RdfXmlContentParams.RDF_XML_CONTENT_PARAMS);
+    }
+
+    public static RdfContentBuilder<RdfXmlContentParams> rdfXmlBuilder(OutputStream out, RdfXmlContentParams params)
             throws IOException {
-        return RdfXmlContent.contentBuilder(params, outputStream);
+        return RdfXmlContent.contentBuilder(out, params);
+    }
+
+    public static RdfContentBuilder<TurtleContentParams> turtleBuilder() throws IOException {
+        return TurtleContent.contentBuilder(TurtleContentParams.TURTLE_CONTENT_PARAMS);
     }
 
     public static RdfContentBuilder<TurtleContentParams> turtleBuilder(TurtleContentParams params) throws IOException {
         return TurtleContent.contentBuilder(params);
     }
 
-    public static RdfContentBuilder<TurtleContentParams> turtleBuilder(TurtleContentParams params, OutputStream outputStream) throws IOException {
-        return TurtleContent.contentBuilder(params, outputStream);
+    public static RdfContentBuilder<TurtleContentParams> turtleBuilder(OutputStream out) throws IOException {
+        return TurtleContent.contentBuilder(out, TurtleContentParams.TURTLE_CONTENT_PARAMS);
+    }
+
+    public static RdfContentBuilder<TurtleContentParams> turtleBuilder(OutputStream out, TurtleContentParams params)
+            throws IOException {
+        return TurtleContent.contentBuilder(out, params);
+    }
+
+    public static RdfContentBuilder<XmlContentParams> xmlBuilder() throws IOException {
+        return XmlContent.contentBuilder(XmlContentParams.XML_CONTENT_PARAMS);
     }
 
     public static RdfContentBuilder<XmlContentParams> xmlBuilder(XmlContentParams params) throws IOException {
         return XmlContent.contentBuilder(params);
     }
 
-    public static RdfContentBuilder<JsonContentParams> jsonBuilder(JsonContentParams params) throws IOException {
-        return JsonContent.contentBuilder(params);
+    public static RdfContentBuilder<JsonContentParams> jsonBuilder() throws IOException {
+        return JsonContent.contentBuilder(JsonContentParams.JSON_CONTENT_PARAMS);
     }
 }

content-rdf/src/main/java/org/xbib/content/rdf/RdfXContent.java

@@ -28,12 +28,12 @@ public class RdfXContent implements RdfContent<RdfXContentParams> {
     }
 
     @Override
-    public RdfContentGenerator<RdfXContentParams> createGenerator(RdfXContentParams params, OutputStream outputStream) {
-        return new RdfXContentGenerator<>(params, outputStream);
+    public RdfContentGenerator<RdfXContentParams> createGenerator(OutputStream out) {
+        return new RdfXContentGenerator<>(out);
     }
 
     @Override
-    public RdfContentParser<RdfXContentParams> createParser(RdfXContentParams params, InputStream inputStream) {
+    public RdfContentParser<RdfXContentParams> createParser(InputStream in) {
         throw new UnsupportedOperationException();
     }
 }

content-rdf/src/main/java/org/xbib/content/rdf/RdfXContentFactory.java

@@ -11,34 +11,61 @@ import org.xbib.content.rdf.io.xml.XmlContentParams;
 
 import java.io.IOException;
 
+/**
+ *
+ */
 public class RdfXContentFactory {
 
     private RdfXContentFactory() {
     }
 
+    public static RdfContentBuilder<NTripleContentParams> ntripleBuilder() throws IOException {
+        return NTripleContent.contentBuilder(NTripleContentParams.N_TRIPLE_CONTENT_PARAMS);
+    }
+
     public static RdfContentBuilder<NTripleContentParams> ntripleBuilder(NTripleContentParams params) throws IOException {
         return NTripleContent.contentBuilder(params);
     }
 
+    public static RdfContentBuilder<RdfXmlContentParams> rdfXmlBuilder() throws IOException {
+        return RdfXmlContent.contentBuilder(RdfXmlContentParams.RDF_XML_CONTENT_PARAMS);
+    }
 
     public static RdfContentBuilder<RdfXmlContentParams> rdfXmlBuilder(RdfXmlContentParams params) throws IOException {
         return RdfXmlContent.contentBuilder(params);
     }
 
+    public static RdfContentBuilder<TurtleContentParams> turtleBuilder() throws IOException {
+        return TurtleContent.contentBuilder(TurtleContentParams.TURTLE_CONTENT_PARAMS);
+    }
+
     public static RdfContentBuilder<TurtleContentParams> turtleBuilder(TurtleContentParams params) throws IOException {
         return TurtleContent.contentBuilder(params);
     }
 
+    public static RdfContentBuilder<XmlContentParams> xmlBuilder() throws IOException {
+        return XmlContent.contentBuilder(XmlContentParams.XML_CONTENT_PARAMS);
+    }
+
     public static RdfContentBuilder<XmlContentParams> xmlBuilder(XmlContentParams params) throws IOException {
         return XmlContent.contentBuilder(params);
     }
 
+    public static RdfContentBuilder<RdfXContentParams> rdfXContentBuilder() throws IOException {
+        return RdfXContent.contentBuilder(RdfXContentParams.RDF_X_CONTENT_PARAMS);
+    }
+
     public static RdfContentBuilder<RdfXContentParams> rdfXContentBuilder(RdfXContentParams params) throws IOException {
         return RdfXContent.contentBuilder(params);
     }
 
+    public static RdfContentBuilder<RouteRdfXContentParams> routeRdfXContentBuilder() throws IOException {
+        return RouteRdfXContent.contentBuilder(RouteRdfXContentParams.ROUTE_RDF_X_CONTENT_PARAMS);
+    }
+
     public static RdfContentBuilder<RouteRdfXContentParams> routeRdfXContentBuilder(RouteRdfXContentParams params)
             throws IOException {
         return RouteRdfXContent.contentBuilder(params);
     }
+
 }

content-rdf/src/main/java/org/xbib/content/rdf/RdfXContentGenerator.java

@@ -19,7 +19,7 @@ import java.util.List;
  */
 public class RdfXContentGenerator<P extends RdfXContentParams> implements RdfContentGenerator<P> {
 
-    protected final OutputStream outputStream;
+    protected final OutputStream out;
 
     protected Resource resource;
 
@@ -29,9 +29,8 @@ public class RdfXContentGenerator<P extends RdfXContentParams> implements RdfCon
 
     private boolean flushed;
 
-    RdfXContentGenerator(P params, OutputStream outputStream) {
-        this.params = params;
-        this.outputStream = outputStream;
+    RdfXContentGenerator(OutputStream out) {
+        this.out = out;
     }
 
     @Override
@@ -106,7 +105,7 @@ public class RdfXContentGenerator<P extends RdfXContentParams> implements RdfCon
             return;
         }
         flushed = true;
-        builder = DefaultXContentBuilder.builder(JsonXContent.jsonContent(), outputStream);
+        builder = DefaultXContentBuilder.builder(JsonXContent.jsonContent(), out);
         builder.startObject();
         build(this.resource);
         builder.endObject();

content-rdf/src/main/java/org/xbib/content/rdf/RdfXContentParams.java

@@ -2,12 +2,21 @@ package org.xbib.content.rdf;
 
 import org.xbib.content.resource.IRINamespaceContext;
 
+/**
+ *
+ */
 public class RdfXContentParams implements RdfContentParams {
 
+    public static final RdfXContentParams RDF_X_CONTENT_PARAMS = new RdfXContentParams();
+
     private final IRINamespaceContext namespaceContext;
 
     private RdfXContentGenerator<RdfXContentParams> generator;
 
+    public RdfXContentParams() {
+        this.namespaceContext = IRINamespaceContext.newInstance();
+    }
+
     public RdfXContentParams(IRINamespaceContext namespaceContext) {
         this.namespaceContext = namespaceContext;
     }

content-rdf/src/main/java/org/xbib/content/rdf/RouteRdfXContent.java

@@ -4,6 +4,9 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 
+/**
+ *
+ */
 public class RouteRdfXContent implements RdfContent<RouteRdfXContentParams> {
 
     private static final RouteRdfXContent ROUTE_RDF_X_CONTENT = new RouteRdfXContent();
@@ -25,15 +28,18 @@ public class RouteRdfXContent implements RdfContent<RouteRdfXContentParams> {
     }
 
     @Override
-    public RdfContentGenerator<RouteRdfXContentParams> createGenerator(RouteRdfXContentParams params, OutputStream outputStream) {
-        return new RouteRdfXContentGenerator<>(params, outputStream);
+    public RdfContentGenerator<RouteRdfXContentParams> createGenerator(OutputStream out) {
+        return new RouteRdfXContentGenerator<>(out);
     }
 
     @Override
-    public RdfContentParser<RouteRdfXContentParams> createParser(RouteRdfXContentParams params, InputStream inputStream) {
+    public RdfContentParser<RouteRdfXContentParams> createParser(InputStream in) {
         throw new UnsupportedOperationException();
     }
 
+    /**
+     *
+     */
     @FunctionalInterface
     public interface RouteHandler {
         void complete(String content, RouteRdfXContentParams params) throws IOException;

content-rdf/src/main/java/org/xbib/content/rdf/RouteRdfXContentGenerator.java

@@ -13,8 +13,8 @@ public class RouteRdfXContentGenerator<R extends RouteRdfXContentParams> extends
 
     private boolean flushed;
 
-    RouteRdfXContentGenerator(R params, OutputStream outputStream) {
-        super(params, outputStream);
+    RouteRdfXContentGenerator(OutputStream out) {
+        super(out);
     }
 
     @Override

content-rdf/src/main/java/org/xbib/content/rdf/RouteRdfXContentParams.java

@@ -2,8 +2,13 @@ package org.xbib.content.rdf;
 
 import org.xbib.content.resource.IRINamespaceContext;
 
+/**
+ *
+ */
 public class RouteRdfXContentParams extends RdfXContentParams {
 
+    public static final RouteRdfXContentParams ROUTE_RDF_X_CONTENT_PARAMS = new RouteRdfXContentParams();
+
     private String index;
 
     private String type;
@@ -18,6 +23,20 @@ public class RouteRdfXContentParams extends RdfXContentParams {
 
     private RouteRdfXContent.RouteHandler handler;
 
+    public RouteRdfXContentParams() {
+        super();
+    }
+
+    public RouteRdfXContentParams(String index, String type) {
+        super();
+        this.index = index;
+        this.type = type;
+    }
+
+    public RouteRdfXContentParams(IRINamespaceContext namespaceContext) {
+        super(namespaceContext);
+    }
+
     public RouteRdfXContentParams(IRINamespaceContext namespaceContext, String index, String type) {
         super(namespaceContext);
         this.index = index;

content-rdf/src/main/java/org/xbib/content/rdf/internal/DefaultRdfGraph.java

@@ -14,14 +14,16 @@ import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
 
+/**
+ *
+ */
 public class DefaultRdfGraph implements RdfGraph<RdfGraphParams> {
 
-    private RdfGraphParams params;
+    private RdfGraphParams params = DefaultRdfGraphParams.DEFAULT_PARAMS;
 
     private final Map<IRI, Resource> resources = new LinkedHashMap<>();
 
-    public DefaultRdfGraph(RdfGraphParams params) {
-        this.params = params;
+    public DefaultRdfGraph() {
     }
 
     @Override

content-rdf/src/main/java/org/xbib/content/rdf/internal/DefaultRdfGraphParams.java

@@ -3,14 +3,17 @@ package org.xbib.content.rdf.internal;
 import org.xbib.content.rdf.RdfGraphParams;
 import org.xbib.content.resource.IRINamespaceContext;
 
+/**
+ *
+ */
 public class DefaultRdfGraphParams implements RdfGraphParams {
 
+    public static final DefaultRdfGraphParams DEFAULT_PARAMS = new DefaultRdfGraphParams();
     private final IRINamespaceContext namespaceContext;
-
     private final boolean writeNamespaceContext;
 
-    public DefaultRdfGraphParams(IRINamespaceContext namespaceContext) {
-        this.namespaceContext = namespaceContext;
+    public DefaultRdfGraphParams() {
+        this.namespaceContext = IRINamespaceContext.newInstance();
         this.writeNamespaceContext = true;
     }
 

content-rdf/src/main/java/org/xbib/content/rdf/internal/DefaultResource.java

@@ -45,13 +45,11 @@ public class DefaultResource implements Resource, Comparable<Resource>, XSDResou
         this(iri, new LinkedHashMultiMap<>(), new LinkedHashMap<>());
     }
 
-    @SuppressWarnings("this-escape")
     public DefaultResource(DefaultResource resource) {
         this(resource.id(), resource.getAttributes(), resource.getChildren());
         this.deleted = resource.isDeleted();
     }
 
-    @SuppressWarnings("this-escape")
     public DefaultResource(IRI iri, MultiMap<IRI, Node> attributes, Map<IRI, Resource> children) {
         setId(iri);
         this.attributes = attributes;

content-rdf/src/main/java/org/xbib/content/rdf/io/json/JsonContent.java

@@ -10,6 +10,9 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 
+/**
+ *
+ */
 public class JsonContent implements RdfContent<JsonContentParams> {
 
     private static final JsonContent JSON_CONTENT = new JsonContent();
@@ -36,12 +39,12 @@ public class JsonContent implements RdfContent<JsonContentParams> {
     }
 
     @Override
-    public RdfContentGenerator<JsonContentParams> createGenerator(JsonContentParams params, OutputStream outputStream) throws IOException {
-        return new JsonContentGenerator(params, outputStream);
+    public RdfContentGenerator<JsonContentParams> createGenerator(OutputStream out) throws IOException {
+        return new JsonContentGenerator(out);
     }
 
     @Override
-    public RdfContentParser<JsonContentParams> createParser(JsonContentParams params, InputStream inputStream) throws IOException {
-        return new JsonContentParser<>(params, inputStream);
+    public RdfContentParser<JsonContentParams> createParser(InputStream in) throws IOException {
+        return new JsonContentParser<>(in);
     }
 }

content-rdf/src/main/java/org/xbib/content/rdf/io/json/JsonContentGenerator.java

@@ -24,14 +24,13 @@ public class JsonContentGenerator implements RdfContentGenerator<JsonContentPara
 
     private Resource resource;
 
-    private JsonContentParams params;
+    private JsonContentParams params = JsonContentParams.JSON_CONTENT_PARAMS;
 
-    JsonContentGenerator(JsonContentParams params, OutputStream out) {
-        this(params, new OutputStreamWriter(out, StandardCharsets.UTF_8));
+    JsonContentGenerator(OutputStream out) {
+        this(new OutputStreamWriter(out, StandardCharsets.UTF_8));
     }
 
-    JsonContentGenerator(JsonContentParams params, Writer writer) {
-        this.params = params;
+    JsonContentGenerator(Writer writer) {
         this.writer = writer;
         this.nsWritten = false;
         this.resource = new DefaultAnonymousResource();

content-rdf/src/main/java/org/xbib/content/rdf/io/json/JsonContentParams.java

@@ -4,8 +4,13 @@ import org.xbib.content.rdf.RdfContentParams;
 import org.xbib.content.rdf.io.xml.XmlContentParams;
 import org.xbib.content.resource.IRINamespaceContext;
 
+/**
+ *
+ */
 public class JsonContentParams extends XmlContentParams implements RdfContentParams {
 
+    public static final JsonContentParams JSON_CONTENT_PARAMS = new JsonContentParams(NAMESPACE_CONTEXT);
+
     public JsonContentParams(IRINamespaceContext namespaceContext) {
         super(namespaceContext);
     }

content-rdf/src/main/java/org/xbib/content/rdf/io/json/JsonContentParser.java

@@ -23,8 +23,6 @@ import javax.xml.namespace.QName;
  */
 public class JsonContentParser<R extends RdfContentParams> implements RdfContentParser<R> {
 
-    private final JsonContentParams params;
-
     private final Reader reader;
 
     private XmlHandler<R> handler;
@@ -33,12 +31,11 @@ public class JsonContentParser<R extends RdfContentParams> implements RdfContent
 
     private QName root;
 
-    public JsonContentParser(JsonContentParams params, InputStream inputStream) throws IOException {
-        this(params, new InputStreamReader(inputStream, StandardCharsets.UTF_8));
+    public JsonContentParser(InputStream in) throws IOException {
+        this(new InputStreamReader(in, StandardCharsets.UTF_8));
     }
 
-    public JsonContentParser(JsonContentParams params, Reader reader) {
-        this.params = params;
+    public JsonContentParser(Reader reader) {
         this.reader = reader;
     }
 

content-rdf/src/main/java/org/xbib/content/rdf/io/json/JsonResourceHandler.java

@@ -2,11 +2,14 @@ package org.xbib.content.rdf.io.json;
 
 import org.xbib.content.rdf.io.xml.AbstractXmlResourceHandler;
 
+/**
+ *
+ */
 public abstract class JsonResourceHandler extends AbstractXmlResourceHandler<JsonContentParams> {
 
-    @SuppressWarnings("this-escape")
     public JsonResourceHandler(JsonContentParams params) {
         super(params);
         super.setDefaultNamespace("", "http://json.org");
     }
+
 }

content-rdf/src/main/java/org/xbib/content/rdf/io/json/package-info.java

@@ -0,0 +1,4 @@
+/**
+ * Classes for RDF JSON.
+ */
+package org.xbib.content.rdf.io.json;

content-rdf/src/main/java/org/xbib/content/rdf/io/nquads/package-info.java

@@ -0,0 +1,4 @@
+/**
+ * Classes for RDF N-Quads.
+ */
+package org.xbib.content.rdf.io.nquads;

content-rdf/src/main/java/org/xbib/content/rdf/io/ntriple/NTripleContent.java

@@ -10,6 +10,9 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 
+/**
+ *
+ */
 public class NTripleContent implements RdfContent<NTripleContentParams> {
 
     private static final NTripleContent N_TRIPLE_CONTENT = new NTripleContent();
@@ -25,9 +28,9 @@ public class NTripleContent implements RdfContent<NTripleContentParams> {
         return new RdfContentBuilder<>(N_TRIPLE_CONTENT, params);
     }
 
-    public static RdfContentBuilder<NTripleContentParams> contentBuilder(NTripleContentParams params, OutputStream outputStream)
+    public static RdfContentBuilder<NTripleContentParams> contentBuilder(OutputStream out, NTripleContentParams params)
             throws IOException {
-        return new RdfContentBuilder<>(N_TRIPLE_CONTENT, params, outputStream);
+        return new RdfContentBuilder<>(N_TRIPLE_CONTENT, params, out);
     }
 
     @Override
@@ -36,12 +39,12 @@ public class NTripleContent implements RdfContent<NTripleContentParams> {
     }
 
     @Override
-    public RdfContentGenerator<NTripleContentParams> createGenerator(NTripleContentParams params, OutputStream outputStream) throws IOException {
-        return new NTripleContentGenerator(params, outputStream);
+    public RdfContentGenerator<NTripleContentParams> createGenerator(OutputStream out) throws IOException {
+        return new NTripleContentGenerator(out);
     }
 
     @Override
-    public RdfContentParser<NTripleContentParams> createParser(NTripleContentParams params, InputStream inputStream) throws IOException {
-        return new NTripleContentParser<>(params, inputStream);
+    public RdfContentParser<NTripleContentParams> createParser(InputStream in) throws IOException {
+        return new NTripleContentParser<>(in);
     }
 }

content-rdf/src/main/java/org/xbib/content/rdf/io/ntriple/NTripleContentGenerator.java

@@ -24,14 +24,13 @@ public class NTripleContentGenerator
 
     private final Writer writer;
 
-    private NTripleContentParams params;
+    private NTripleContentParams params = NTripleContentParams.N_TRIPLE_CONTENT_PARAMS;
 
-    NTripleContentGenerator(NTripleContentParams params, OutputStream out) throws IOException {
-        this(params, new OutputStreamWriter(out, StandardCharsets.UTF_8));
+    NTripleContentGenerator(OutputStream out) throws IOException {
+        this(new OutputStreamWriter(out, StandardCharsets.UTF_8));
     }
 
-    NTripleContentGenerator(NTripleContentParams params, Writer writer) throws IOException {
-        this.params = params;
+    NTripleContentGenerator(Writer writer) throws IOException {
         this.writer = writer;
     }
 

content-rdf/src/main/java/org/xbib/content/rdf/io/ntriple/NTripleContentParams.java

@@ -3,10 +3,18 @@ package org.xbib.content.rdf.io.ntriple;
 import org.xbib.content.rdf.RdfContentParams;
 import org.xbib.content.resource.IRINamespaceContext;
 
+/**
+ *
+ */
 public class NTripleContentParams implements RdfContentParams {
 
+    public static final NTripleContentParams N_TRIPLE_CONTENT_PARAMS = new NTripleContentParams();
     private final IRINamespaceContext namespaceContext;
 
+    public NTripleContentParams() {
+        this.namespaceContext = IRINamespaceContext.newInstance();
+    }
+
     public NTripleContentParams(IRINamespaceContext namespaceContext) {
         this.namespaceContext = namespaceContext;
     }

content-rdf/src/main/java/org/xbib/content/rdf/io/ntriple/NTripleContentParser.java

@@ -52,14 +52,11 @@ public class NTripleContentParser<R extends RdfContentParams> implements RdfCont
 
     private RdfContentBuilder<R> builder;
 
-    private NTripleContentParams params;
-
-    public NTripleContentParser(NTripleContentParams params, InputStream inputStream) throws IOException {
-        this(params, new InputStreamReader(inputStream, StandardCharsets.UTF_8));
+    public NTripleContentParser(InputStream in) throws IOException {
+        this(new InputStreamReader(in, StandardCharsets.UTF_8));
     }
 
-    public NTripleContentParser(NTripleContentParams params, Reader reader) {
-        this.params = params;
+    public NTripleContentParser(Reader reader) {
         this.reader = reader;
     }
 

content-rdf/src/main/java/org/xbib/content/rdf/io/ntriple/package-info.java

@@ -0,0 +1,4 @@
+/**
+ * Classes for RDF N-Triples.
+ */
+package org.xbib.content.rdf.io.ntriple;

content-rdf/src/main/java/org/xbib/content/rdf/io/rdfxml/RdfXmlContent.java

@@ -10,6 +10,9 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 
+/**
+ *
+ */
 public class RdfXmlContent implements RdfContent<RdfXmlContentParams> {
 
     private static final RdfXmlContent RDF_XML_CONTENT = new RdfXmlContent();
@@ -25,9 +28,9 @@ public class RdfXmlContent implements RdfContent<RdfXmlContentParams> {
         return new RdfContentBuilder<>(RDF_XML_CONTENT, params);
     }
 
-    public static RdfContentBuilder<RdfXmlContentParams> contentBuilder(RdfXmlContentParams params, OutputStream outputStream)
+    public static RdfContentBuilder<RdfXmlContentParams> contentBuilder(OutputStream out, RdfXmlContentParams params)
             throws IOException {
-        return new RdfContentBuilder<>(RDF_XML_CONTENT, params, outputStream);
+        return new RdfContentBuilder<>(RDF_XML_CONTENT, params, out);
     }
 
     @Override
@@ -36,12 +39,12 @@ public class RdfXmlContent implements RdfContent<RdfXmlContentParams> {
     }
 
     @Override
-    public RdfContentGenerator<RdfXmlContentParams> createGenerator(RdfXmlContentParams params, OutputStream outputStream) throws IOException {
-        return new RdfXmlContentGenerator(params, outputStream);
+    public RdfContentGenerator<RdfXmlContentParams> createGenerator(OutputStream os) throws IOException {
+        return new RdfXmlContentGenerator(os);
     }
 
     @Override
-    public RdfContentParser<RdfXmlContentParams> createParser(RdfXmlContentParams params, InputStream inputStream) throws IOException {
-        return new RdfXmlContentParser<>(params, inputStream);
+    public RdfContentParser<RdfXmlContentParams> createParser(InputStream in) throws IOException {
+        return new RdfXmlContentParser<>(in);
     }
 }

content-rdf/src/main/java/org/xbib/content/rdf/io/rdfxml/RdfXmlContentGenerator.java

@@ -19,6 +19,9 @@ import java.io.Writer;
 import java.nio.charset.StandardCharsets;
 import java.util.Map;
 
+/**
+ * RDF/XML writer.
+ */
 public class RdfXmlContentGenerator implements RdfContentGenerator<RdfXmlContentParams>, Flushable, RdfConstants {
 
     private final Writer writer;
@@ -31,18 +34,18 @@ public class RdfXmlContentGenerator implements RdfContentGenerator<RdfXmlContent
 
     private Resource resource;
 
-    private RdfXmlContentParams params;
+    private RdfXmlContentParams params = RdfXmlContentParams.RDF_XML_CONTENT_PARAMS;
 
-    public RdfXmlContentGenerator(RdfXmlContentParams params, OutputStream outputStream) throws IOException {
-        this(params, new OutputStreamWriter(outputStream, StandardCharsets.UTF_8));
+    public RdfXmlContentGenerator(OutputStream out) throws IOException {
+        this(new OutputStreamWriter(out, StandardCharsets.UTF_8));
     }
 
-    public RdfXmlContentGenerator(RdfXmlContentParams params, Writer writer) {
-        this.params = params;
+    public RdfXmlContentGenerator(Writer writer) {
         this.writer = writer;
         this.resource = new DefaultAnonymousResource();
     }
 
+
     @Override
     public void flush() throws IOException {
         writer.flush();

content-rdf/src/main/java/org/xbib/content/rdf/io/rdfxml/RdfXmlContentParams.java

@@ -3,10 +3,18 @@ package org.xbib.content.rdf.io.rdfxml;
 import org.xbib.content.rdf.RdfContentParams;
 import org.xbib.content.resource.IRINamespaceContext;
 
+/**
+ *
+ */
 public class RdfXmlContentParams implements RdfContentParams {
 
+    public static final RdfXmlContentParams RDF_XML_CONTENT_PARAMS = new RdfXmlContentParams();
     private final IRINamespaceContext namespaceContext;
 
+    public RdfXmlContentParams() {
+        this.namespaceContext = IRINamespaceContext.newInstance();
+    }
+
     public RdfXmlContentParams(IRINamespaceContext namespaceContext) {
         this.namespaceContext = namespaceContext;
     }

content-rdf/src/main/java/org/xbib/content/rdf/io/rdfxml/RdfXmlContentParser.java

@@ -54,8 +54,6 @@ import javax.xml.parsers.SAXParserFactory;
  */
 public class RdfXmlContentParser<R extends RdfContentParams> implements RdfConstants, RdfContentParser<R> {
 
-    private R params;
-
     private final Reader reader;
 
     private final Resource resource = new DefaultAnonymousResource();
@@ -71,12 +69,11 @@ public class RdfXmlContentParser<R extends RdfContentParams> implements RdfConst
     // counter for blank node generation
     private int bn = 0;
 
-    public RdfXmlContentParser(R params, InputStream inputStream) {
-        this(params, createReader(inputStream));
+    public RdfXmlContentParser(InputStream inputStream) {
+        this(createReader(inputStream));
     }
 
-    public RdfXmlContentParser(R params, Reader reader) {
-        this.params = params;
+    public RdfXmlContentParser(Reader reader) {
         this.reader = reader;
     }
 

content-rdf/src/main/java/org/xbib/content/rdf/io/rdfxml/package-info.java

@@ -0,0 +1,4 @@
+/**
+ * Classes for RDF XML.
+ */
+package org.xbib.content.rdf.io.rdfxml;

content-rdf/src/main/java/org/xbib/content/rdf/io/source/BaseStreamProcessor.java

@@ -3,10 +3,11 @@ package org.xbib.content.rdf.io.source;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.Reader;
-import java.net.URI;
 import java.net.URL;
 import java.net.URLConnection;
 
+/**
+ */
 public abstract class BaseStreamProcessor {
 
     public BaseStreamProcessor() {
@@ -38,7 +39,7 @@ public abstract class BaseStreamProcessor {
      * @throws IOException if process fails
      */
     public final void process(String uri, String baseUri) throws IOException {
-        URL url = URI.create(uri).toURL();
+        URL url = new URL(uri);
         URLConnection urlConnection = url.openConnection();
         String mimeType = urlConnection.getContentType();
         try (InputStream inputStream = urlConnection.getInputStream()) {

content-rdf/src/main/java/org/xbib/content/rdf/io/turtle/TurtleContent.java

@@ -28,9 +28,9 @@ public class TurtleContent implements RdfContent<TurtleContentParams> {
         return new RdfContentBuilder<>(TURTLE_CONTENT, params);
     }
 
-    public static RdfContentBuilder<TurtleContentParams> contentBuilder(TurtleContentParams params, OutputStream outputStream)
+    public static RdfContentBuilder<TurtleContentParams> contentBuilder(OutputStream out, TurtleContentParams params)
             throws IOException {
-        return new RdfContentBuilder<>(TURTLE_CONTENT, params, outputStream);
+        return new RdfContentBuilder<>(TURTLE_CONTENT, params, out);
     }
 
     @Override
@@ -39,13 +39,13 @@ public class TurtleContent implements RdfContent<TurtleContentParams> {
     }
 
     @Override
-    public RdfContentGenerator<TurtleContentParams> createGenerator(TurtleContentParams params, OutputStream outputStream) throws IOException {
-        return new TurtleContentGenerator(params, outputStream);
+    public RdfContentGenerator<TurtleContentParams> createGenerator(OutputStream outputStream) throws IOException {
+        return new TurtleContentGenerator(outputStream);
     }
 
     @Override
-    public RdfContentParser<TurtleContentParams> createParser(TurtleContentParams params, InputStream inputStream) throws IOException {
-        return new TurtleContentParser<>(params, inputStream);
+    public RdfContentParser<TurtleContentParams> createParser(InputStream inputStream) throws IOException {
+        return new TurtleContentParser<>(inputStream);
     }
 
 }

content-rdf/src/main/java/org/xbib/content/rdf/io/turtle/TurtleContentGenerator.java

@@ -53,14 +53,13 @@ public class TurtleContentGenerator implements RdfContentGenerator<TurtleContent
 
     private boolean closed;
 
-    private TurtleContentParams params;
+    private TurtleContentParams params = TurtleContentParams.TURTLE_CONTENT_PARAMS;
 
-    public TurtleContentGenerator(TurtleContentParams params, OutputStream outputStream) throws IOException {
-        this(params, new OutputStreamWriter(outputStream, StandardCharsets.UTF_8));
+    TurtleContentGenerator(OutputStream out) throws IOException {
+        this(new OutputStreamWriter(out, StandardCharsets.UTF_8));
     }
 
-    public TurtleContentGenerator(TurtleContentParams params, Writer writer) throws IOException {
-        this.params = params;
+    TurtleContentGenerator(Writer writer) throws IOException {
         this.writer = writer;
         this.resource = new DefaultAnonymousResource();
         this.nsWritten = false;

content-rdf/src/main/java/org/xbib/content/rdf/io/turtle/TurtleContentParams.java

@@ -3,12 +3,20 @@ package org.xbib.content.rdf.io.turtle;
 import org.xbib.content.rdf.RdfContentParams;
 import org.xbib.content.resource.IRINamespaceContext;
 
+/**
+ *
+ */
 public class TurtleContentParams implements RdfContentParams {
 
+    public static final TurtleContentParams TURTLE_CONTENT_PARAMS = new TurtleContentParams();
     private final IRINamespaceContext namespaceContext;
-
     private final boolean writeNamespaceContext;
 
+    public TurtleContentParams() {
+        this.namespaceContext = IRINamespaceContext.newInstance();
+        this.writeNamespaceContext = true;
+    }
+
     public TurtleContentParams(IRINamespaceContext namespaceContext, boolean writeNamespaceContext) {
         this.namespaceContext = namespaceContext;
         this.writeNamespaceContext = writeNamespaceContext;

content-rdf/src/main/java/org/xbib/content/rdf/io/turtle/TurtleContentParser.java

@@ -40,8 +40,6 @@ import java.util.LinkedList;
  */
 public class TurtleContentParser<R extends RdfContentParams> implements RdfContentParser<R> {
 
-    private TurtleContentParams params;
-
     private final Resource resource = new DefaultAnonymousResource();
 
     private final HashMap<String, Node> bnodes = new HashMap<>();
@@ -94,12 +92,11 @@ public class TurtleContentParser<R extends RdfContentParams> implements RdfConte
      */
     private NamespaceContext context;
 
-    public TurtleContentParser(TurtleContentParams params, InputStream inputStream) throws IOException {
-        this(params, new InputStreamReader(inputStream, StandardCharsets.UTF_8));
+    public TurtleContentParser(InputStream in) throws IOException {
+        this(new InputStreamReader(in, StandardCharsets.UTF_8));
     }
 
-    public TurtleContentParser(TurtleContentParams params, Reader reader) {
-        this.params = params;
+    public TurtleContentParser(Reader reader) {
         this.reader = new PushbackReader(reader, 2);
         this.context = XmlNamespaceContext.newInstance();
     }

content-rdf/src/main/java/org/xbib/content/rdf/io/xml/AbstractXmlHandler.java

@@ -23,7 +23,7 @@ import javax.xml.namespace.QName;
 public abstract class AbstractXmlHandler<P extends RdfContentParams>
         extends DefaultHandler implements XmlHandler<P> {
 
-    protected final P params;
+    protected final RdfContentParams params;
 
     protected final StringBuilder content;
 
@@ -39,14 +39,14 @@ public abstract class AbstractXmlHandler<P extends RdfContentParams>
 
     private int lastlevel;
 
-    public AbstractXmlHandler(P params) {
+    public AbstractXmlHandler(RdfContentParams params) {
         this.params = params;
         this.content = new StringBuilder();
         this.parents = new LinkedList<>();
         this.resource = new DefaultAnonymousResource();
     }
 
-    public P getParams() {
+    public RdfContentParams getParams() {
         return params;
     }
 

content-rdf/src/main/java/org/xbib/content/rdf/io/xml/AbstractXmlResourceHandler.java

@@ -20,7 +20,7 @@ public abstract class AbstractXmlResourceHandler<P extends RdfContentParams>
 
     protected final LinkedList<Resource> stack = new LinkedList<>();
 
-    public AbstractXmlResourceHandler(P params) {
+    public AbstractXmlResourceHandler(RdfContentParams params) {
         super(params);
     }
 

content-rdf/src/main/java/org/xbib/content/rdf/io/xml/XmlContent.java

@@ -10,6 +10,9 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 
+/**
+ *
+ */
 public class XmlContent implements RdfContent<XmlContentParams> {
 
     private static final XmlContent XML_CONTENT = new XmlContent();
@@ -36,12 +39,12 @@ public class XmlContent implements RdfContent<XmlContentParams> {
     }
 
     @Override
-    public RdfContentGenerator<XmlContentParams> createGenerator(XmlContentParams params, OutputStream outputStream) throws IOException {
-        return new XmlContentGenerator(params, outputStream);
+    public RdfContentGenerator<XmlContentParams> createGenerator(OutputStream outputStream) throws IOException {
+        return new XmlContentGenerator(outputStream);
     }
 
     @Override
-    public RdfContentParser<XmlContentParams> createParser(XmlContentParams params, InputStream inputStream) throws IOException {
-        return new XmlContentParser<>(params, inputStream);
+    public RdfContentParser<XmlContentParams> createParser(InputStream inputStream) throws IOException {
+        return new XmlContentParser<>(inputStream);
     }
 }

content-rdf/src/main/java/org/xbib/content/rdf/io/xml/XmlContentGenerator.java

@@ -36,14 +36,13 @@ public class XmlContentGenerator implements RdfContentGenerator<XmlContentParams
 
     private Resource resource;
 
-    private XmlContentParams params;
+    private XmlContentParams params = XmlContentParams.XML_CONTENT_PARAMS;
 
-    public XmlContentGenerator(XmlContentParams params, OutputStream outputStream) {
-        this(params, new OutputStreamWriter(outputStream, StandardCharsets.UTF_8));
+    public XmlContentGenerator(OutputStream out) {
+        this(new OutputStreamWriter(out, StandardCharsets.UTF_8));
     }
 
-    public XmlContentGenerator(XmlContentParams params, Writer writer) {
-        this.params = params;
+    public XmlContentGenerator(Writer writer) {
         this.writer = writer;
     }
 

content-rdf/src/main/java/org/xbib/content/rdf/io/xml/XmlContentParams.java

@@ -3,8 +3,13 @@ package org.xbib.content.rdf.io.xml;
 import org.xbib.content.rdf.RdfContentParams;
 import org.xbib.content.resource.IRINamespaceContext;
 
+/**
+ *
+ */
 public class XmlContentParams implements RdfContentParams {
 
+    protected static final IRINamespaceContext NAMESPACE_CONTEXT = IRINamespaceContext.newInstance();
+    public static final XmlContentParams XML_CONTENT_PARAMS = new XmlContentParams(NAMESPACE_CONTEXT);
     private final IRINamespaceContext namespaceContext;
 
     public XmlContentParams(IRINamespaceContext namespaceContext) {

content-rdf/src/main/java/org/xbib/content/rdf/io/xml/XmlContentParser.java

@@ -25,8 +25,6 @@ import javax.xml.parsers.SAXParserFactory;
  */
 public class XmlContentParser<P extends RdfContentParams> implements RdfContentParser<P> {
 
-    private final P params;
-
     private final Reader reader;
 
     private RdfContentBuilder<P> builder;
@@ -37,12 +35,11 @@ public class XmlContentParser<P extends RdfContentParams> implements RdfContentP
 
     private boolean validate = false;
 
-    public XmlContentParser(P params, InputStream inputStream) {
-        this(params, new InputStreamReader(inputStream, StandardCharsets.UTF_8));
+    public XmlContentParser(InputStream in) {
+        this(new InputStreamReader(in, StandardCharsets.UTF_8));
     }
 
-    public XmlContentParser(P params, Reader reader) {
-        this.params = params;
+    public XmlContentParser(Reader reader) {
         this.reader = new NormalizeEolFilter(reader, System.getProperty("line.separator"), true);
     }
 

content-rdf/src/main/java/org/xbib/content/rdf/util/LinkedHashMultiMap.java

@@ -4,6 +4,7 @@ import java.util.Collection;
 import java.util.LinkedHashMap;
 import java.util.LinkedHashSet;
 import java.util.Map;
+import java.util.Objects;
 import java.util.Set;
 
 /**
@@ -19,6 +20,14 @@ public class LinkedHashMultiMap<K, V> implements MultiMap<K, V> {
         this.map = new LinkedHashMap<>();
     }
 
+    public LinkedHashMultiMap(MultiMap<K, V> multiMap) {
+        Objects.requireNonNull(multiMap);
+        this.map = new LinkedHashMap<>();
+        for (K k : multiMap.keySet()) {
+            putAll(k, multiMap.get(k));
+        }
+    }
+
     @Override
     public int size() {
         return map.size();
@@ -89,7 +98,7 @@ public class LinkedHashMultiMap<K, V> implements MultiMap<K, V> {
 
     @Override
     public boolean equals(Object obj) {
-        return obj instanceof LinkedHashMultiMap && map.equals(((LinkedHashMultiMap<?, ?>) obj).map);
+        return obj != null && obj instanceof LinkedHashMultiMap && map.equals(((LinkedHashMultiMap) obj).map);
     }
 
     @Override

content-rdf/src/test/java/module-info.java

@@ -1,17 +0,0 @@
-module org.xbib.content.rdf.test {
-    requires java.logging;
-    requires java.xml;
-    requires org.junit.jupiter.api;
-    requires org.xbib.content.rdf;
-    requires org.xbib.content.resource;
-    requires org.xbib.net;
-    opens org.xbib.content.rdf.test to org.junit.platform.commons;
-    opens org.xbib.content.rdf.test.internal to org.junit.platform.commons;
-    opens org.xbib.content.rdf.test.io to org.junit.platform.commons;
-    opens org.xbib.content.rdf.test.io.json to org.junit.platform.commons;
-    opens org.xbib.content.rdf.test.io.ntriple to org.junit.platform.commons;
-    opens org.xbib.content.rdf.test.io.rdfxml to org.junit.platform.commons;
-    opens org.xbib.content.rdf.test.io.turtle to org.junit.platform.commons;
-    opens org.xbib.content.rdf.test.io.xml to org.junit.platform.commons;
-    opens org.xbib.content.rdf.test.util to org.junit.platform.commons;
-}

content-rdf/src/test/java/org/xbib/content/rdf/IRINamespaceCompactionTest.java

@@ -1,18 +1,22 @@
-package org.xbib.content.resource.test;
+package org.xbib.content.rdf;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import org.junit.jupiter.api.Test;
 import org.xbib.content.resource.IRI;
 import org.xbib.content.resource.IRINamespaceContext;
 
+/**
+ *
+ */
 public class IRINamespaceCompactionTest {
 
     @Test
-    public void testCompaction() {
-        IRINamespaceContext context = IRINamespaceContext.newInstance(getClass());
-        assertEquals("dc", context.getPrefix("http://purl.org/dc/elements/1.1/"));
-        assertEquals("http://purl.org/dc/elements/1.1/", context.getNamespaceURI("dc"));
+    public void testCompaction() throws Exception {
+        IRINamespaceContext context = IRINamespaceContext.getInstance();
+        assertEquals(context.getNamespaceURI("dc"), "http://purl.org/dc/elements/1.1/");
+        assertEquals(context.getPrefix("http://purl.org/dc/elements/1.1/"), "dc");
         IRI dc = IRI.create("http://purl.org/dc/elements/1.1/creator");
         assertEquals(context.compact(dc), "dc:creator");
     }
+
 }

content-rdf/src/test/java/org/xbib/content/rdf/IRITest.java

@@ -1,4 +1,4 @@
-package org.xbib.content.resource.test;
+package org.xbib.content.rdf;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNull;

content-rdf/src/test/java/org/xbib/content/rdf/RdfXContentGeneratorTest.java

@@ -1,16 +1,12 @@
-package org.xbib.content.rdf.test;
+package org.xbib.content.rdf;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.xbib.content.rdf.RdfXContentFactory.rdfXContentBuilder;
 
 import org.junit.jupiter.api.Test;
-import org.xbib.content.rdf.RdfContentBuilder;
-import org.xbib.content.rdf.RdfXContentParams;
-import org.xbib.content.rdf.Resource;
 import org.xbib.content.rdf.internal.DefaultLiteral;
 import org.xbib.content.rdf.internal.DefaultResource;
 import org.xbib.content.resource.IRI;
-import org.xbib.content.resource.IRINamespaceContext;
 
 /**
  *
@@ -25,8 +21,7 @@ public class RdfXContentGeneratorTest {
         resource.add("urn:property", "Hello World")
                 .add("urn:date", l)
                 .add("urn:link", IRI.create("urn:pointer"));
-        IRINamespaceContext namespaceContext = IRINamespaceContext.newInstance(getClass());
-        RdfXContentParams params = new RdfXContentParams(namespaceContext);
+        RdfXContentParams params = new RdfXContentParams();
         try (RdfContentBuilder<RdfXContentParams> builder = rdfXContentBuilder(params)) {
             builder.receive(resource);
         }
@@ -45,8 +40,7 @@ public class RdfXContentGeneratorTest {
                 .add("rdf:type", IRI.create("urn:type1"))
                 .newResource("urn:embedded")
                 .add("rdf:type", IRI.create("urn:type2"));
-        IRINamespaceContext namespaceContext = IRINamespaceContext.newInstance(getClass());
-        RdfXContentParams params = new RdfXContentParams(namespaceContext);
+        RdfXContentParams params = new RdfXContentParams();
         try (RdfContentBuilder<RdfXContentParams> builder = rdfXContentBuilder(params)) {
             builder.receive(resource);
         }
@@ -67,8 +61,7 @@ public class RdfXContentGeneratorTest {
                 .add("rdf:type", IRI.create("urn:type2"));
         resource.newResource("urn:embedded2")
                 .add("rdf:type", IRI.create("urn:type3"));
-        IRINamespaceContext namespaceContext = IRINamespaceContext.newInstance(getClass());
-        RdfXContentParams params = new RdfXContentParams(namespaceContext);
+        RdfXContentParams params = new RdfXContentParams();
         try (RdfContentBuilder<RdfXContentParams> builder = rdfXContentBuilder(params)) {
             builder.receive(resource);
         }
@@ -86,8 +79,7 @@ public class RdfXContentGeneratorTest {
                 .add("urn:date", l)
                 .add("rdf:type", IRI.create("urn:type1"))
                 .newResource("urn:embedded"); // empty resource, do not copy
-        IRINamespaceContext namespaceContext = IRINamespaceContext.newInstance(getClass());
-        RdfXContentParams params = new RdfXContentParams(namespaceContext);
+        RdfXContentParams params = new RdfXContentParams();
         try (RdfContentBuilder<RdfXContentParams> builder = rdfXContentBuilder(params)) {
             builder.receive(resource);
         }

content-rdf/src/test/java/org/xbib/content/rdf/RouteRdfXContentBuilderTest.java

@@ -1,9 +1,9 @@
-package org.xbib.content.rdf.test;
+package org.xbib.content.rdf;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.xbib.content.rdf.RdfXContentFactory.routeRdfXContentBuilder;
-import static org.xbib.content.rdf.test.StreamTester.assertStream;
+import static org.xbib.content.rdf.StreamTester.assertStream;
 
 import java.text.MessageFormat;
 import java.util.concurrent.atomic.AtomicBoolean;
@@ -11,14 +11,10 @@ import java.util.concurrent.atomic.AtomicInteger;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 import org.junit.jupiter.api.Test;
-import org.xbib.content.rdf.RdfContentBuilder;
-import org.xbib.content.rdf.Resource;
-import org.xbib.content.rdf.RouteRdfXContentParams;
 import org.xbib.content.rdf.internal.DefaultLiteral;
 import org.xbib.content.rdf.internal.DefaultResource;
 import org.xbib.content.rdf.io.rdfxml.RdfXmlContentParser;
 import org.xbib.content.resource.IRI;
-import org.xbib.content.resource.IRINamespaceContext;
 
 import java.io.IOException;
 import java.io.InputStream;
@@ -35,8 +31,7 @@ public class RouteRdfXContentBuilderTest {
         resource.add("urn:property", "Hello World")
                 .add("urn:date", l)
                 .add("urn:link", IRI.create("urn:pointer"));
-        IRINamespaceContext namespaceContext = IRINamespaceContext.newInstance(getClass());
-        RouteRdfXContentParams params = new RouteRdfXContentParams(namespaceContext, "index", "type");
+        RouteRdfXContentParams params = new RouteRdfXContentParams("index", "type");
         AtomicBoolean found = new AtomicBoolean();
         params.setHandler((content, p) -> {
             assertEquals(p.getIndex() + " " + p.getType() + " 1 " + content,
@@ -51,23 +46,22 @@ public class RouteRdfXContentBuilderTest {
 
     @Test
     public void testVIAF() throws Exception {
-        try (InputStream inputStream = getClass().getResourceAsStream("VIAF.rdf")) {
-            if (inputStream == null) {
+        InputStream in = getClass().getResourceAsStream("VIAF.rdf");
+        if (in == null) {
             throw new IOException("VIAF.rdf not found");
         }
         StringBuilder sb = new StringBuilder();
-            IRINamespaceContext namespaceContext = IRINamespaceContext.newInstance(getClass());
-            RouteRdfXContentParams params = new RouteRdfXContentParams(namespaceContext, "index", "type");
+        RouteRdfXContentParams params = new RouteRdfXContentParams("index", "type");
         AtomicInteger counter = new AtomicInteger();
         params.setHandler((content, p) -> {
             logger.log(Level.INFO, MessageFormat.format("handle: {0} {1} {2} {3}",
                     p.getIndex(), p.getType(), p.getId(), content));
             counter.incrementAndGet();
         });
-            RdfXmlContentParser<RouteRdfXContentParams> parser = new RdfXmlContentParser<>(params, inputStream);
-            parser.setRdfContentBuilderProvider(() -> routeRdfXContentBuilder(params))
+        new RdfXmlContentParser<RouteRdfXContentParams>(in)
+                .setRdfContentBuilderProvider(() -> routeRdfXContentBuilder(params))
                 .setRdfContentBuilderHandler(builder -> {
-                        if (!sb.isEmpty()) {
+                    if (sb.length() > 0) {
                         sb.append("\n");
                     }
                     sb.append(builder.string());
@@ -78,4 +72,3 @@ public class RouteRdfXContentBuilderTest {
         assertEquals(5, counter.get());
     }
 }
-}

content-rdf/src/test/java/org/xbib/content/rdf/StreamTester.java

@@ -1,4 +1,4 @@
-package org.xbib.content.rdf.test;
+package org.xbib.content.rdf;
 
 import static org.junit.jupiter.api.Assertions.fail;
 import java.io.ByteArrayInputStream;