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/*
* Copyright (c) 2010, 2023 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package org.glassfish.jersey.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 jakarta.inject.Inject;
import jakarta.ws.rs.BadRequestException;
import jakarta.ws.rs.Consumes;
import jakarta.ws.rs.InternalServerErrorException;
import jakarta.ws.rs.Produces;
import jakarta.ws.rs.core.Context;
import jakarta.ws.rs.core.MediaType;
import jakarta.ws.rs.core.MultivaluedMap;
import jakarta.ws.rs.ext.MessageBodyReader;
import jakarta.ws.rs.ext.MessageBodyWriter;
import jakarta.inject.Provider;
import jakarta.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 org.w3c.dom.Document;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
/**
* Collection of {@link Source XML source} providers.
*
* @author Paul Sandoz
* @author Marek Potociar
*/
@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;
@Inject
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 Provider dbf;
@Inject
public DomSourceReader(@Context Provider 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.get().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 Provider saxParserFactory;
private final Provider transformerFactory;
@Inject
public SourceWriter(@Context Provider spf,
@Context Provider 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.get().newSAXParser().getXMLReader(), inputStream);
}
StreamResult sr = new StreamResult(entityStream);
transformerFactory.get().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);
}
}
}
}
