add attributes for response for applications

net-http-server/src/main/java/org/xbib/net/http/server/BaseHttpResponseBuilder.java

@@ -1,6 +1,7 @@
 package org.xbib.net.http.server;
 
 import org.xbib.datastructures.common.Pair;
+import org.xbib.net.Attributes;
 import org.xbib.net.buffer.DataBuffer;
 import org.xbib.net.buffer.DataBufferFactory;
 import org.xbib.net.buffer.DefaultDataBufferFactory;
@@ -28,9 +29,16 @@ public abstract class BaseHttpResponseBuilder implements HttpResponseBuilder {
 
     private static final Logger logger = Logger.getLogger(BaseHttpResponseBuilder.class.getName());
 
-    private static final String SPACE = " ";
+    /**
+     * A space character for constructing the response.
+     */
+    private static final Character SPACE = ' ';
 
-    private static final String COLON = ":";
+
+    /**
+     * A colon character for header construction.
+     */
+    private static final Character COLON = ':';
 
     private static final String CRLF = "\r\n";
 
@@ -44,6 +52,9 @@ public abstract class BaseHttpResponseBuilder implements HttpResponseBuilder {
 
     protected HttpResponseStatus status;
 
+    /**
+     * For getting the server name.
+     */
     protected HttpServerConfig httpServerConfig;
 
     protected boolean shouldClose;
@@ -76,6 +87,11 @@ public abstract class BaseHttpResponseBuilder implements HttpResponseBuilder {
 
     protected boolean done;
 
+    /**
+     * Attributes for applications that want to save data in the response.
+     */
+    protected Attributes attributes;
+
     protected BaseHttpResponseBuilder() {
         reset();
     }
@@ -88,6 +104,7 @@ public abstract class BaseHttpResponseBuilder implements HttpResponseBuilder {
         this.contentType = HttpHeaderValues.APPLICATION_OCTET_STREAM;
         this.dataBufferFactory = DefaultDataBufferFactory.getInstance();
         this.shouldClose = false; // tell client we want to keep the connection alive
+        this.attributes = new BaseAttributes();
     }
 
     @Override
@@ -313,6 +330,11 @@ public abstract class BaseHttpResponseBuilder implements HttpResponseBuilder {
                 Long.parseLong(headers.get(HttpHeaderNames.CONTENT_LENGTH)) : null;
     }
 
+    @Override
+    public Attributes getAttributes() {
+        return attributes;
+    }
+
     @Override
     public abstract HttpResponse build();
 

net-http-server/src/main/java/org/xbib/net/http/server/BaseHttpServerContext.java

@@ -70,6 +70,7 @@ public class BaseHttpServerContext implements HttpServerContext {
         this.attributes.put("domain", domain);
         this.attributes.put("requestbuilder", httpRequestBuilder);
         this.attributes.put("responsebuilder", httpResponseBuilder);
+        this.attributes.put("ctx", this);
     }
 
     @Override

net-http-server/src/main/java/org/xbib/net/http/server/HttpResponseBuilder.java

@@ -1,5 +1,6 @@
 package org.xbib.net.http.server;
 
+import org.xbib.net.Attributes;
 import org.xbib.net.buffer.DataBuffer;
 import org.xbib.net.buffer.DataBufferFactory;
 import org.xbib.net.http.HttpHeaders;
@@ -64,6 +65,8 @@ public interface HttpResponseBuilder {
 
     Long getLength();
 
+    Attributes getAttributes();
+
     void reset();
 
     HttpResponse build();

net-http-template-groovy/src/main/java/org/xbib/net/http/template/groovy/DefaultMarkupTemplate.java

@@ -7,6 +7,8 @@ import groovy.text.markup.TemplateConfiguration;
 import java.util.Objects;
 import java.util.logging.Level;
 import java.util.logging.Logger;
+
+import org.xbib.net.Attributes;
 import org.xbib.net.URL;
 import org.xbib.net.URLBuilder;
 import org.xbib.net.buffer.DefaultDataBufferFactory;
@@ -216,6 +218,10 @@ public abstract class DefaultMarkupTemplate extends BaseTemplate {
         return ZonedDateTime.now().format(formatter);
     }
 
+    public Attributes getAttributes() {
+        return responseBuilder.getAttributes();
+    }
+
     public String bootstrapCss() {
         return contextPath("webjars/bootstrap/5.2.3/css/bootstrap.min.css");
     }