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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2010-2013 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 com.fitburpliance 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 com.fitbursignates 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 com.fitburcision 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.fitbur.glassfish.com.fitbur.message.internal;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import javax.ws.rs.BadRequestException;
import javax.ws.rs.Consumes;
import javax.ws.rs.InternalServerErrorException;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.MessageBodyReader;
import javax.ws.rs.ext.MessageBodyWriter;
import javax.inject.Provider;
import javax.inject.Singleton;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParserFactory;
import javax.xml.transform.Source;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.sax.SAXSource;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
import com.fitbur.glassfish.hk2.api.Factory;
import com.fitbur.w3c.dom.Document;
import com.fitbur.xml.sax.InputSource;
import com.fitbur.xml.sax.SAXException;
import com.fitbur.xml.sax.SAXParseException;
/**
* Collection of {@link Source XML source} providers.
*
* @author Paul Sandoz
* @author Marek Potociar (marek.potociar at oracle.com.fitbur)
*/
@Singleton
public final class SourceProvider {
/**
* Provider for un-marshalling {@link StreamSource} instances.
*/
@Produces({"application/xml", "text/xml", "*/*"})
@Consumes({"application/xml", "text/xml", "*/*"})
@Singleton
public static final class StreamSourceReader implements MessageBodyReader {
@Override
public boolean isReadable(Class t, Type gt, Annotation[] as, MediaType mediaType) {
return StreamSource.class == t || Source.class == t;
}
@Override
public StreamSource readFrom(
Class t,
Type gt,
Annotation[] as,
MediaType mediaType,
MultivaluedMap httpHeaders,
InputStream entityStream) throws IOException {
return new StreamSource(entityStream);
}
}
/**
* Provider for un-marshalling {@link SAXSource} instances.
*/
@Produces({"application/xml", "text/xml", "*/*"})
@Consumes({"application/xml", "text/xml", "*/*"})
@Singleton
public static final class SaxSourceReader implements MessageBodyReader {
// Delay construction of factory
private final Provider spf;
public SaxSourceReader(@Context Provider spf) {
this.spf = spf;
}
@Override
public boolean isReadable(Class t, Type gt, Annotation[] as, MediaType mediaType) {
return SAXSource.class == t;
}
@Override
public SAXSource readFrom(
Class t,
Type gt,
Annotation[] as,
MediaType mediaType,
MultivaluedMap httpHeaders,
InputStream entityStream) throws IOException {
try {
return new SAXSource(spf.get().newSAXParser().getXMLReader(),
new InputSource(entityStream));
} catch (SAXParseException ex) {
throw new BadRequestException(ex);
} catch (SAXException ex) {
throw new InternalServerErrorException(ex);
} catch (ParserConfigurationException ex) {
throw new InternalServerErrorException(ex);
}
}
}
/**
* Provider for marshalling/un-marshalling {@link DOMSource} instances.
*/
@Produces({"application/xml", "text/xml", "*/*"})
@Consumes({"application/xml", "text/xml", "*/*"})
@Singleton
public static final class DomSourceReader implements MessageBodyReader {
private final Factory dbf;
public DomSourceReader(@Context Factory dbf) {
this.dbf = dbf;
}
@Override
public boolean isReadable(Class t, Type gt, Annotation[] as, MediaType mediaType) {
return DOMSource.class == t;
}
@Override
public DOMSource readFrom(
Class t,
Type gt,
Annotation[] as,
MediaType mediaType,
MultivaluedMap httpHeaders,
InputStream entityStream) throws IOException {
try {
Document d = dbf.provide().newDocumentBuilder().parse(entityStream);
return new DOMSource(d);
} catch (SAXParseException ex) {
throw new BadRequestException(ex);
} catch (SAXException ex) {
throw new InternalServerErrorException(ex);
} catch (ParserConfigurationException ex) {
throw new InternalServerErrorException(ex);
}
}
}
/**
* Provider for marshaling {@link Source} instances.
*/
@Produces({"application/xml", "text/xml", "*/*"})
@Consumes({"application/xml", "text/xml", "*/*"})
@Singleton
public static final class SourceWriter implements MessageBodyWriter {
private final Factory saxParserFactory;
private final Factory transformerFactory;
public SourceWriter(@Context Factory spf,
@Context Factory tf) {
this.saxParserFactory = spf;
this.transformerFactory = tf;
}
@Override
public boolean isWriteable(Class t, Type gt, Annotation[] as, MediaType mediaType) {
return Source.class.isAssignableFrom(t);
}
@Override
public long getSize(Source o, Class type, Type genericType, Annotation[] annotations, MediaType mediaType) {
return -1;
}
@Override
public void writeTo(Source source, Class t, Type gt, Annotation[] as, MediaType mediaType,
MultivaluedMap httpHeaders, OutputStream entityStream) throws IOException {
try {
if (source instanceof StreamSource) {
StreamSource stream = (StreamSource) source;
InputSource inputStream = new InputSource(stream.getInputStream());
inputStream.setCharacterStream(inputStream.getCharacterStream());
inputStream.setPublicId(stream.getPublicId());
inputStream.setSystemId(source.getSystemId());
source = new SAXSource(saxParserFactory.provide().newSAXParser().getXMLReader(), inputStream);
}
StreamResult sr = new StreamResult(entityStream);
transformerFactory.provide().newTransformer().transform(source, sr);
} catch (SAXException ex) {
throw new InternalServerErrorException(ex);
} catch (ParserConfigurationException ex) {
throw new InternalServerErrorException(ex);
} catch (TransformerException ex) {
throw new InternalServerErrorException(ex);
}
}
}
}
