com.sun.jersey.json.impl.Stax2JsonFactory Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of jersey-bundle Show documentation
Show all versions of jersey-bundle Show documentation
A bundle containing code of all jar-based modules that provide
JAX-RS and Jersey-related features. Such a bundle is *only intended* for
developers that do not use Maven's dependency system.
The bundle does not include code for contributes, tests and samples.
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2010-2011 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* http://glassfish.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.jersey.json.impl;
import com.sun.jersey.api.json.JSONConfiguration;
import com.sun.jersey.core.util.ReaderWriter;
import com.sun.jersey.json.impl.writer.*;
import com.sun.jersey.json.impl.reader.Jackson2StaxReader;
import com.sun.jersey.json.impl.reader.JacksonRootAddingParser;
import com.sun.jersey.json.impl.reader.JsonXmlStreamReader;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.Reader;
import java.io.Writer;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import org.codehaus.jackson.JsonFactory;
import org.codehaus.jackson.JsonGenerator;
import org.codehaus.jackson.JsonParser;
import org.codehaus.jettison.badgerfish.BadgerFishXMLStreamReader;
import org.codehaus.jettison.badgerfish.BadgerFishXMLStreamWriter;
import org.codehaus.jettison.json.JSONObject;
import org.codehaus.jettison.json.JSONTokener;
import org.codehaus.jettison.mapped.Configuration;
import org.codehaus.jettison.mapped.MappedNamespaceConvention;
import org.codehaus.jettison.mapped.MappedXMLStreamReader;
import org.codehaus.jettison.mapped.MappedXMLStreamWriter;
/**
*
* @author japod
*/
public class Stax2JsonFactory {
private Stax2JsonFactory() {
}
public static XMLStreamWriter createWriter(Writer writer, JSONConfiguration config) throws IOException {
return createWriter(writer, config, false);
}
public static XMLStreamWriter createWriter(Writer writer, JSONConfiguration config, boolean writingList) throws IOException {
switch (config.getNotation()) {
case NATURAL:
final JsonGenerator rawGenerator = new JsonFactory().createJsonGenerator(writer);
if (config.isHumanReadableFormatting()) {
rawGenerator.useDefaultPrettyPrinter();
}
final JsonGenerator bodyGenerator = writingList ? JacksonArrayWrapperGenerator.createArrayWrapperGenerator(rawGenerator, config.isRootUnwrapping() ? 0 : 1) : rawGenerator;
if (config.isRootUnwrapping()) {
return new Stax2JacksonWriter(JacksonRootStrippingGenerator.createRootStrippingGenerator(bodyGenerator, writingList ? 2 : 1), config);
} else {
return new Stax2JacksonWriter(bodyGenerator, config);
}
case MAPPED:
return JsonXmlStreamWriter.createWriter(writer, config);
case BADGERFISH:
return new BadgerFishXMLStreamWriter(writer);
case MAPPED_JETTISON:
Configuration jmConfig;
if (null == config.getXml2JsonNs()) {
jmConfig = new Configuration();
} else {
jmConfig = new Configuration(config.getXml2JsonNs());
}
return new MappedXMLStreamWriter(new MappedNamespaceConvention(jmConfig), writer);
default:
return null;
}
}
public static XMLStreamReader createReader(Reader reader, JSONConfiguration config, String rootName) throws XMLStreamException {
return createReader(reader, config, rootName, false);
}
public static XMLStreamReader createReader(Reader reader, JSONConfiguration config, String rootName, boolean readingList) throws XMLStreamException {
Reader nonEmptyReader = ensureNonEmptyReader(reader);
switch (config.getNotation()) {
case NATURAL:
try {
final JsonParser rawParser = new JsonFactory().createJsonParser(nonEmptyReader);
final JsonParser nonListParser = config.isRootUnwrapping() ? JacksonRootAddingParser.createRootAddingParser(rawParser, rootName) : rawParser;
if (!readingList) {
return new Jackson2StaxReader(nonListParser, config);
} else {
return new Jackson2StaxReader(JacksonRootAddingParser.createRootAddingParser(nonListParser, "jsonArrayRootElement"), config);
}
} catch (Exception ex) {
throw new XMLStreamException(ex);
}
case MAPPED:
try {
return new JsonXmlStreamReader(nonEmptyReader, rootName, config);
} catch (IOException ex) {
throw new XMLStreamException(ex);
}
case MAPPED_JETTISON:
try {
Configuration jmConfig;
if (null == config.getXml2JsonNs()) {
jmConfig = new Configuration();
} else {
jmConfig = new Configuration(config.getXml2JsonNs());
}
return new MappedXMLStreamReader(
new JSONObject(new JSONTokener(ReaderWriter.readFromAsString(nonEmptyReader))),
new MappedNamespaceConvention(jmConfig));
} catch (Exception ex) {
throw new XMLStreamException(ex);
}
case BADGERFISH:
try {
return new BadgerFishXMLStreamReader(new JSONObject(new JSONTokener(ReaderWriter.readFromAsString(nonEmptyReader))));
} catch (Exception ex) {
throw new XMLStreamException(ex);
}
}
// This should not occur
throw new IllegalArgumentException("Unknown JSON config");
}
private static Reader ensureNonEmptyReader(Reader reader) throws XMLStreamException {
try {
Reader mr = reader.markSupported() ? reader : new BufferedReader(reader);
mr.mark(1);
if (mr.read() == -1) {
throw new XMLStreamException("JSON expression can not be empty!");
}
mr.reset();
return mr;
} catch (IOException ex) {
throw new XMLStreamException(ex);
}
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy