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new client api subproject

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This commit is contained in:
Jörg Prante 2020-08-05 11:42:11 +02:00
parent 39a962cbdf
commit 9ae052559b
20 changed files with 279 additions and 145 deletions
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3
settings.gradle
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@ -1,6 +1,7 @@
include 'z3950-asn1'
include 'z3950-api'
include 'z3950-common'
include 'z3950-client'
include 'z3950-client-api'
include 'z3950-client-jdk'
include 'z3950-client-netty'
include 'z3950-sru'

3
z3950-client-api/build.gradle Normal file
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@ -0,0 +1,3 @@
dependencies {
api project(':z3950-common')
}

4
z3950-client-api/src/main/java/module-info.java Normal file
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@ -0,0 +1,4 @@
module org.xbib.z3950lib.client.api {
exports org.xbib.z3950.client.api;
requires transitive org.xbib.z3950lib.common;
}

6
z3950-api/src/main/java/org/xbib/z3950/api/Client.java → z3950-client-api/src/main/java/org/xbib/z3950/client/api/Client.java
View file

@ -1,5 +1,8 @@
package org.xbib.z3950.api;
package org.xbib.z3950.client.api;
import org.xbib.z3950.api.RecordListener;
import org.xbib.z3950.api.ScanListener;
import org.xbib.z3950.api.SearchListener;
import java.io.Closeable;
import java.io.IOException;
import java.util.List;
@ -40,5 +43,4 @@ public interface Client extends Closeable {
String getType();
List<String> getDatabases();
}

2
z3950-api/src/main/java/org/xbib/z3950/api/ClientProvider.java → z3950-client-api/src/main/java/org/xbib/z3950/client/api/ClientProvider.java
View file

@ -1,4 +1,4 @@
package org.xbib.z3950.api;
package org.xbib.z3950.client.api;
/**
* Client provider.

2
z3950-client/build.gradle → z3950-client-jdk/build.gradle
View file

@ -1,4 +1,4 @@
dependencies {
api project(':z3950-common')
api project(':z3950-client-api')
testImplementation "org.xbib:bibliographic-character-sets:${project.property('xbib-bibliographic-character-sets.version')}"
}

5
z3950-client-jdk/src/main/java/module-info.java Normal file
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@ -0,0 +1,5 @@
module org.xbib.z3950lib.client.jdk {
exports org.xbib.z3950.client.jdk;
requires transitive org.xbib.z3950lib.client.api;
requires java.logging;
}

106
z3950-client/src/main/java/org/xbib/z3950/client/DefaultClient.java → z3950-client-jdk/src/main/java/org/xbib/z3950/client/jdk/JDKZClient.java
View file

@ -1,4 +1,4 @@
package org.xbib.z3950.client;
package org.xbib.z3950.client.jdk;
import org.xbib.asn1.io.InputStreamBERReader;
import org.xbib.asn1.io.OutputStreamBERWriter;
@ -7,14 +7,14 @@ import org.xbib.z3950.common.operations.InitOperation;
import org.xbib.z3950.common.operations.PresentOperation;
import org.xbib.z3950.common.operations.ScanOperation;
import org.xbib.z3950.common.operations.SearchOperation;
import org.xbib.z3950.api.Client;
import org.xbib.z3950.client.api.Client;
import org.xbib.z3950.api.InitListener;
import org.xbib.z3950.api.RecordListener;
import org.xbib.z3950.api.ScanListener;
import org.xbib.z3950.api.SearchListener;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.Closeable;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
@ -32,9 +32,9 @@ import java.util.logging.Logger;
/**
* Default Z client.
*/
public class DefaultClient implements Client {
public class JDKZClient implements Client, Closeable {
private static final Logger logger = Logger.getLogger(DefaultClient.class.getName());
private static final Logger logger = Logger.getLogger(JDKZClient.class.getName());
private final String host;
@ -72,7 +72,7 @@ public class DefaultClient implements Client {
private OutputStreamBERWriter berWriter;
private DefaultClient(String host, int port, String user, String pass, long timeout,
private JDKZClient(String host, int port, String user, String pass, long timeout,
String preferredRecordSyntax,
String resultSetName,
String elementSetName,
@ -99,39 +99,6 @@ public class DefaultClient implements Client {
this.lock = new ReentrantLock();
}
@Override
public void close() {
if (isConnected()) {
try {
lock.lock();
try {
sendClose(0);
} catch (IOException e) {
logger.log(Level.WARNING, "while attempting to send close for close connection: " + e.getMessage(), e);
}
try {
berReader.close();
} catch (IOException e) {
logger.log(Level.WARNING, "error attempting to close src: " + e.getMessage(), e);
}
try {
berWriter.close();
} catch (IOException e) {
logger.log(Level.WARNING, "error attempting to close dest: " + e.getMessage(), e);
}
try {
if (socket != null) {
socket.close();
}
} catch (IOException e) {
logger.log(Level.WARNING, "error attempting to close socket: " + e.getMessage(), e);
}
} finally {
lock.unlock();
}
}
}
@Override
public int searchCQL(String query, int offset, int length,
SearchListener searchListener,
@ -288,16 +255,7 @@ public class DefaultClient implements Client {
return databases;
}
private void connect() throws IOException {
}
private boolean isConnected() {
return socket != null && socket.isConnected();
}
private void ensureConnected() throws IOException {
if (!isConnected()) {
public void connect() throws IOException {
try {
lock.lock();
Socket socket = new Socket();
@ -317,12 +275,58 @@ public class DefaultClient implements Client {
lock.unlock();
}
}
public void disconnect() throws IOException {
try {
lock.lock();
try {
sendClose(0);
} catch (IOException e) {
logger.log(Level.WARNING, "while attempting to send close for close connection: " + e.getMessage(), e);
}
try {
berReader.close();
} catch (IOException e) {
logger.log(Level.WARNING, "error attempting to close src: " + e.getMessage(), e);
}
try {
berWriter.close();
} catch (IOException e) {
logger.log(Level.WARNING, "error attempting to close dest: " + e.getMessage(), e);
}
try {
if (socket != null) {
socket.close();
}
} catch (IOException e) {
logger.log(Level.WARNING, "error attempting to close socket: " + e.getMessage(), e);
}
} finally {
lock.unlock();
}
}
@Override
public void close() throws IOException {
if (isConnected()) {
disconnect();
}
}
public static Builder builder() {
return new Builder();
}
private boolean isConnected() {
return socket != null && socket.isConnected();
}
private void ensureConnected() throws IOException {
if (!isConnected()) {
connect();
}
}
/**
* Send a close request to the server.
*
@ -454,8 +458,8 @@ public class DefaultClient implements Client {
return this;
}
public DefaultClient build() {
return new DefaultClient(host, port, user, pass, timeout,
public JDKZClient build() {
return new JDKZClient(host, port, user, pass, timeout,
preferredRecordSyntax,
resultSetName,
elementSetName,

14
z3950-client/src/test/java/org/xbib/z3950/client/test/DefaultClientTest.java → z3950-client-jdk/src/test/java/org/xbib/z3950/client/jdk/test/DefaultClientTest.java
View file

@ -1,7 +1,7 @@
package org.xbib.z3950.client.test;
package org.xbib.z3950.client.jdk.test;
import org.junit.jupiter.api.Test;
import org.xbib.z3950.client.DefaultClient;
import org.xbib.z3950.client.jdk.JDKZClient;
import java.io.IOException;
import java.io.InputStream;
@ -25,7 +25,7 @@ class DefaultClientTest {
String query = "bib.identifierISSN = 00280836";
int from = 1;
int size = 10;
try (DefaultClient client = newZClient(serviceName)) {
try (JDKZClient client = newZClient(serviceName)) {
logger.log(Level.INFO, "executing CQL " + serviceName);
int count = client.searchCQL(query, from, size,
(status, total, returned, elapsedMillis) ->
@ -44,7 +44,7 @@ class DefaultClientTest {
String query = "@attr 1=8 \"00280836\"";
int from = 1;
int size = 10;
try (DefaultClient client = newZClient(serviceName)) {
try (JDKZClient client = newZClient(serviceName)) {
logger.log(Level.INFO, "executing PQF " + serviceName);
int count = client.searchPQF(query, from, size,
(status, total, returned, elapsedMillis) ->
@ -57,7 +57,7 @@ class DefaultClientTest {
}
}
private DefaultClient newZClient(String name) throws IOException {
private JDKZClient newZClient(String name) throws IOException {
return newZClient(getProperties(name));
}
@ -69,8 +69,8 @@ class DefaultClientTest {
return properties;
}
private static DefaultClient newZClient(Properties properties) {
DefaultClient.Builder builder = DefaultClient.builder();
private static JDKZClient newZClient(Properties properties) {
JDKZClient.Builder builder = JDKZClient.builder();
if (properties.containsKey("host")) {
builder.setHost(properties.getProperty("host"));
}

14
z3950-client/src/test/java/org/xbib/z3950/client/test/GBVZClientTest.java → z3950-client-jdk/src/test/java/org/xbib/z3950/client/jdk/test/GBVZClientTest.java
View file

@ -1,7 +1,7 @@
package org.xbib.z3950.client.test;
package org.xbib.z3950.client.jdk.test;
import org.junit.jupiter.api.Test;
import org.xbib.z3950.client.DefaultClient;
import org.xbib.z3950.client.jdk.JDKZClient;
import java.io.IOException;
import java.io.InputStream;
@ -25,7 +25,7 @@ class GBVZClientTest {
String query = "@attr 1=4 linux";
int from = 1;
int size = 10;
try (DefaultClient client = newZClient("GBV")) {
try (JDKZClient client = newZClient("GBV")) {
logger.log(Level.INFO, "executing PQF " + query);
int count = client.searchPQF(query, from, size,
(status, total, returned, elapsedMillis) ->
@ -43,7 +43,7 @@ class GBVZClientTest {
String query = "bib.controlNumberZDB = 1413423-8";
int from = 1;
int size = 2;
try (DefaultClient client = newZClient(serviceName)) {
try (JDKZClient client = newZClient(serviceName)) {
logger.log(Level.INFO, "executing CQL " + query);
int count = client.searchCQL(query, from, size,
(status, total, returned, elapsedMillis) ->
@ -57,7 +57,7 @@ class GBVZClientTest {
}
private DefaultClient newZClient(String name) throws IOException {
private JDKZClient newZClient(String name) throws IOException {
return newZClient(getProperties(name));
}
@ -69,8 +69,8 @@ class GBVZClientTest {
return properties;
}
private static DefaultClient newZClient(Properties properties) {
DefaultClient.Builder builder = DefaultClient.builder();
private static JDKZClient newZClient(Properties properties) {
JDKZClient.Builder builder = JDKZClient.builder();
if (properties.containsKey("host")) {
builder.setHost(properties.getProperty("host"));
}

6
z3950-client/src/test/java/org/xbib/z3950/client/test/SearchTest.java → z3950-client-jdk/src/test/java/org/xbib/z3950/client/jdk/test/SearchTest.java
View file

@ -1,9 +1,9 @@
package org.xbib.z3950.client.test;
package org.xbib.z3950.client.jdk.test;
import org.junit.jupiter.api.Test;
import org.xbib.z3950.common.exceptions.MessageSizeTooSmallException;
import org.xbib.z3950.common.exceptions.NoRecordsReturnedException;
import org.xbib.z3950.client.DefaultClient;
import org.xbib.z3950.client.jdk.JDKZClient;
import java.util.Collections;
import java.util.logging.Level;
@ -27,7 +27,7 @@ class SearchTest {
int from = 1;
int length = 1;
try {
DefaultClient client = DefaultClient.builder()
JDKZClient client = JDKZClient.builder()
.setHost(host)
.setPort(port)
.setDatabases(Collections.singletonList(database))

5
z3950-client-netty/build.gradle
View file

@ -1,5 +1,8 @@
dependencies {
api project(':z3950-common')
api project(':z3950-client-api')
implementation "io.netty:netty-buffer:${project.property('netty.version')}"
implementation "io.netty:netty-common:${project.property('netty.version')}"
implementation "io.netty:netty-handler:${project.property('netty.version')}"
implementation "io.netty:netty-transport:${project.property('netty.version')}"
testImplementation "org.xbib:bibliographic-character-sets:${project.property('xbib-bibliographic-character-sets.version')}"
}

5
z3950-client-netty/src/main/java/module-info.java
View file

@ -1,6 +1,9 @@
module org.xbib.z3950lib.client.netty {
exports org.xbib.z3950.client.netty;
requires transitive org.xbib.z3950lib.common;
requires transitive org.xbib.z3950lib.client.api;
requires io.netty.buffer;
requires io.netty.common;
requires io.netty.handler;
requires io.netty.transport;
requires java.logging;
}

89
z3950-client-netty/src/main/java/org/xbib/z3950/client/netty/NettyZClient.java
View file

@ -13,12 +13,19 @@ import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.util.CharsetUtil;
import org.xbib.z3950.api.RecordListener;
import org.xbib.z3950.api.ScanListener;
import org.xbib.z3950.api.SearchListener;
import org.xbib.z3950.client.api.Client;
import java.io.Closeable;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.util.List;
/**
*
*/
public class NettyZClient {
public class NettyZClient implements Client, Closeable {
private final EventLoopGroup group;
private final Bootstrap clientBootstrap;
@ -46,6 +53,86 @@ public class NettyZClient {
group.shutdownGracefully().sync();
}
@Override
public void close() throws IOException {
}
@Override
public int searchCQL(String query, int offset, int length, SearchListener searchListener, RecordListener recordListener) throws IOException {
return 0;
}
@Override
public int searchPQF(String query, int offset, int length, SearchListener searchListener, RecordListener recordListener) throws IOException {
return 0;
}
@Override
public void scanPQF(String query, int nTerms, int step, int position, ScanListener scanListener) throws IOException {
}
@Override
public String getHost() {
return null;
}
@Override
public int getPort() {
return 0;
}
@Override
public String getUser() {
return null;
}
@Override
public String getPass() {
return null;
}
@Override
public long getTimeout() {
return 0;
}
@Override
public String getPreferredRecordSyntax() {
return null;
}
@Override
public String getResultSetName() {
return null;
}
@Override
public String getElementSetName() {
return null;
}
@Override
public String getEncoding() {
return null;
}
@Override
public String getFormat() {
return null;
}
@Override
public String getType() {
return null;
}
@Override
public List<String> getDatabases() {
return null;
}
class Handler extends SimpleChannelInboundHandler<ByteBuf> {
@Override

5
z3950-client/src/main/java/module-info.java
View file

@ -1,5 +0,0 @@
module org.xbib.z3950lib.client {
exports org.xbib.z3950.client;
requires transitive org.xbib.z3950lib.common;
requires java.logging;
}

57
z3950-common/src/main/java/org/xbib/z3950/common/cql/CQLRPNGenerator.java
View file

@ -32,6 +32,7 @@ import org.xbib.z3950.common.v3.Operator;
import org.xbib.z3950.common.v3.RPNQuery;
import org.xbib.z3950.common.v3.RPNStructure;
import org.xbib.z3950.common.v3.RPNStructureRpnRpnOp;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.MissingResourceException;
@ -70,6 +71,12 @@ public final class CQLRPNGenerator implements Visitor {
this.result = new Stack<>();
}
public CQLRPNGenerator(Collection<AttributeElement> attributeElements) {
this.attributeElements = new Stack<>();
this.attributeElements.addAll(attributeElements);
this.result = new Stack<>();
}
public RPNQuery getQueryResult() {
return rpnQuery;
}
@ -196,7 +203,8 @@ public final class CQLRPNGenerator implements Visitor {
operand.attrTerm.term.c_general = new ASN1OctetString(node.getTerm().getValue());
}
operand.attrTerm.attributes = new AttributeList();
operand.attrTerm.attributes.value = attributeElements.toArray(new AttributeElement[0]);
operand.attrTerm.attributes.value = attributeElements.stream()
.filter(ae -> ae.attributeValue != null).toArray(AttributeElement[]::new);
RPNStructure rpn = new RPNStructure();
rpn.c_op = operand;
result.push(rpn);
@ -307,25 +315,17 @@ public final class CQLRPNGenerator implements Visitor {
private ASN1OctetString transformTerm(Term term) {
String v = term.getValue();
// let's derive attributes from the search term
// let's derive attributes from the search term syntax
// relation attribute = 2
int attributeType = 2;
int attributeValue = 3; // equal = 3
AttributeElement ae = new AttributeElement();
ae.attributeType = new ASN1Integer(attributeType);
ae.attributeValue = new AttributeElementAttributeValue();
ae.attributeValue.numeric = new ASN1Integer(attributeValue);
attributeElements.push(ae);
push(attributeElements, createAttributeElement(attributeType, attributeValue));
// position attribute = 3
attributeType = 3;
attributeValue = 3; // any position = 3
ae = new AttributeElement();
ae.attributeType = new ASN1Integer(attributeType);
ae.attributeValue = new AttributeElementAttributeValue();
ae.attributeValue.numeric = new ASN1Integer(attributeValue);
attributeElements.push(ae);
//attributeType = 3;
// attributeValue = 3; // any position = 3
//push(attributeElements, createAttributeElement(attributeType, attributeValue));
// structure attribute = 4
attributeType = 4;
@ -334,11 +334,7 @@ public final class CQLRPNGenerator implements Visitor {
attributeValue = 1; // phrase
v = v.substring(1, v.length()-1);
}
ae = new AttributeElement();
ae.attributeType = new ASN1Integer(attributeType);
ae.attributeValue = new AttributeElementAttributeValue();
ae.attributeValue.numeric = new ASN1Integer(attributeValue);
attributeElements.push(ae);
push(attributeElements, createAttributeElement(attributeType, attributeValue));
// truncation attribute = 5
attributeType = 5;
@ -355,12 +351,27 @@ public final class CQLRPNGenerator implements Visitor {
attributeValue = 2; // Left truncation = 2
v = v.substring(1);
}
ae = new AttributeElement();
push(attributeElements, createAttributeElement(attributeType, attributeValue));
return new ASN1OctetString(v);
}
private static void push(Stack<AttributeElement> stack, AttributeElement attributeElement) {
if (attributeElement != null) {
if (!stack.contains(attributeElement)) {
stack.push(attributeElement);
}
}
}
private static AttributeElement createAttributeElement(Integer attributeType, Integer attributeValue) {
if (attributeType != null && attributeValue != null) {
AttributeElement ae = new AttributeElement();
ae.attributeType = new ASN1Integer(attributeType);
ae.attributeValue = new AttributeElementAttributeValue();
ae.attributeValue.numeric = new ASN1Integer(attributeValue);
attributeElements.push(ae);
return new ASN1OctetString(v);
return ae;
} else {
return null;
}
}
}

5
z3950-common/src/main/java/org/xbib/z3950/common/v3/AccessControlRequest.java
View file

@ -120,7 +120,7 @@ public final class AccessControlRequest extends ASN1Any {
if (sOtherInfo != null) {
numFields++;
}
BEREncoding fields[] = new BEREncoding[numFields];
BEREncoding[] fields = new BEREncoding[numFields];
int x = 0;
if (sReferenceId != null) {
fields[x++] = sReferenceId.berEncode();
@ -149,11 +149,8 @@ public final class AccessControlRequest extends ASN1Any {
}
str.append("securityChallenge ");
str.append(sSecurityChallenge);
outputted++;
if (sOtherInfo != null) {
if (0 < outputted) {
str.append(", ");
}
str.append("otherInfo ");
str.append(sOtherInfo);
}

2
z3950-common/src/main/java/org/xbib/z3950/common/v3/AccessControlRequestSecurityChallenge.java
View file

@ -82,7 +82,7 @@ public final class AccessControlRequestSecurityChallenge extends ASN1Any {
@Override
public BEREncoding berEncode() throws ASN1Exception {
BEREncoding chosen = null;
BEREncoding enc[];
BEREncoding[] enc;
if (cSimpleForm != null) {
chosen = cSimpleForm.berEncode(BEREncoding.CONTEXT_SPECIFIC_TAG, 37);
}

12
z3950-common/src/main/java/org/xbib/z3950/common/v3/AttributeElement.java
View file

@ -19,7 +19,7 @@ import org.xbib.asn1.BEREncoding;
* }
* </pre>
*/
public final class AttributeElement extends ASN1Any {
public final class AttributeElement extends ASN1Any implements Comparable<AttributeElement> {
public AttributeSetId attributeSetId; // optional
@ -125,7 +125,7 @@ public final class AttributeElement extends ASN1Any {
if (attributeSetId != null) {
numFields++;
}
BEREncoding fields[] = new BEREncoding[numFields];
BEREncoding[] fields = new BEREncoding[numFields];
int x = 0;
if (attributeSetId != null) {
fields[x++] = attributeSetId.berEncode(BEREncoding.CONTEXT_SPECIFIC_TAG, 1);
@ -153,13 +153,15 @@ public final class AttributeElement extends ASN1Any {
}
str.append("attributeType ");
str.append(attributeType);
outputted++;
if (0 < outputted) {
str.append(", ");
}
str.append("attributeValue ");
str.append(attributeValue);
str.append("}");
return str.toString();
}
@Override
public int compareTo(AttributeElement o) {
return attributeType.toString().compareTo(o.attributeType.toString());
}
}

21
z3950-common/src/test/java/org/xbib/z3950/common/cql/CQL2RPNTest.java
View file

@ -2,7 +2,11 @@ package org.xbib.z3950.common.cql;
import static org.junit.jupiter.api.Assertions.assertEquals;
import org.junit.jupiter.api.Test;
import org.xbib.asn1.ASN1Integer;
import org.xbib.cql.CQLParser;
import org.xbib.z3950.common.v3.AttributeElement;
import org.xbib.z3950.common.v3.AttributeElementAttributeValue;
import java.util.Collections;
class CQL2RPNTest {
@ -14,7 +18,7 @@ class CQL2RPNTest {
CQLRPNGenerator generator = new CQLRPNGenerator();
parser.getCQLQuery().accept(generator);
String q = generator.getQueryResult().toString();
assertEquals("{attributeSetId 1.2.840.10003.3.1, rpn {op {attrTerm {attributes {{attributeType 2, attributeValue {numeric 3}}{attributeType 3, attributeValue {numeric 3}}{attributeType 4, attributeValue {numeric 2}}{attributeType 5, attributeValue {numeric 100}}{attributeType 1, attributeValue {numeric 4}}}, term {general \"Test\"}}}}}", q);
assertEquals("{attributeSetId 1.2.840.10003.3.1, rpn {op {attrTerm {attributes {{attributeType 2, attributeValue {numeric 3}}{attributeType 4, attributeValue {numeric 2}}{attributeType 5, attributeValue {numeric 100}}{attributeType 1, attributeValue {numeric 4}}}, term {general \"Test\"}}}}}", q);
}
@Test
@ -25,6 +29,19 @@ class CQL2RPNTest {
CQLRPNGenerator generator = new CQLRPNGenerator();
parser.getCQLQuery().accept(generator);
String q = generator.getQueryResult().toString();
assertEquals("{attributeSetId 1.2.840.10003.3.1, rpn {op {attrTerm {attributes {{attributeType 2, attributeValue {numeric 3}}{attributeType 3, attributeValue {numeric 3}}{attributeType 4, attributeValue {numeric 1}}{attributeType 5, attributeValue {numeric 100}}{attributeType 1, attributeValue {numeric 4}}}, term {general \"a phrase\"}}}}}", q);
assertEquals("{attributeSetId 1.2.840.10003.3.1, rpn {op {attrTerm {attributes {{attributeType 2, attributeValue {numeric 3}}{attributeType 4, attributeValue {numeric 1}}{attributeType 5, attributeValue {numeric 100}}{attributeType 1, attributeValue {numeric 4}}}, term {general \"a phrase\"}}}}}", q);
}
@Test
void testWithAttribute() {
AttributeElement ae = new AttributeElement();
ae.attributeType = new ASN1Integer(2);
String cql = "dc.title = \"a phrase\"";
CQLParser parser = new CQLParser(cql);
parser.parse();
CQLRPNGenerator generator = new CQLRPNGenerator(Collections.singleton(ae));
parser.getCQLQuery().accept(generator);
String q = generator.getQueryResult().toString();
assertEquals("{attributeSetId 1.2.840.10003.3.1, rpn {op {attrTerm {attributes {{attributeType 2, attributeValue {numeric 3}}{attributeType 4, attributeValue {numeric 1}}{attributeType 5, attributeValue {numeric 100}}{attributeType 1, attributeValue {numeric 4}}}, term {general \"a phrase\"}}}}}", q);
}
}