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package org.glassfish.jersey.message.internal;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.charset.Charset;
import java.util.Collection;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.ws.rs.Consumes;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.ext.Providers;
import javax.inject.Singleton;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.PropertyException;
import javax.xml.bind.Unmarshaller;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import org.glassfish.hk2.api.Factory;
/**
* Base XML-based message body provider for collections of JAXB beans.
*
* @author Paul Sandoz
* @author Marek Potociar (marek.potociar at oracle.com)
*/
public abstract class XmlCollectionJaxbProvider extends AbstractCollectionJaxbProvider {
private final Factory xif;
XmlCollectionJaxbProvider(Factory xif, Providers ps) {
super(ps);
this.xif = xif;
}
XmlCollectionJaxbProvider(Factory xif, Providers ps, MediaType mt) {
super(ps, mt);
this.xif = xif;
}
/**
* JAXB provider for marshalling/un-marshalling collections
* from/to entities of {@code application/xml} media type.
*/
@Produces("application/xml")
@Consumes("application/xml")
@Singleton
public static final class App extends XmlCollectionJaxbProvider {
public App(@Context Factory xif, @Context Providers ps) {
super(xif, ps, MediaType.APPLICATION_XML_TYPE);
}
}
/**
* JAXB provider for marshalling/un-marshalling collections
* from/to entities of {@code text/xml} media type.
*/
@Produces("text/xml")
@Consumes("text/xml")
@Singleton
public static final class Text extends XmlCollectionJaxbProvider {
public Text(@Context Factory xif, @Context Providers ps) {
super(xif, ps, MediaType.TEXT_XML_TYPE);
}
}
/**
* JAXB provider for marshalling/un-marshalling collections
* from/to entities of {@code /+xml} media types.
*/
@Produces("*/*")
@Consumes("*/*")
@Singleton
public static final class General extends XmlCollectionJaxbProvider {
public General(@Context Factory xif, @Context Providers ps) {
super(xif, ps);
}
@Override
protected boolean isSupported(MediaType m) {
return m.getSubtype().endsWith("+xml");
}
}
@Override
protected final XMLStreamReader getXMLStreamReader(Class elementType,
MediaType mediaType,
Unmarshaller u,
InputStream entityStream)
throws XMLStreamException {
return xif.provide().createXMLStreamReader(entityStream);
}
@Override
public final void writeList(Class elementType, Collection t,
MediaType mediaType, Charset c,
Marshaller m, OutputStream entityStream)
throws JAXBException, IOException {
final String rootElement = getRootElementName(elementType);
final String cName = c.name();
entityStream.write(
String.format("", cName).getBytes(cName));
String property = "com.sun.xml.bind.xmlHeaders";
String header;
try {
// standalone jaxb ri?
header = (String) m.getProperty(property);
} catch (PropertyException e) {
// jaxb ri from jdk?
property = "com.sun.xml.internal.bind.xmlHeaders";
try {
header = (String) m.getProperty(property);
} catch (PropertyException ex) {
// other jaxb implementation
header = null;
Logger.getLogger(XmlCollectionJaxbProvider.class.getName()).log(
Level.WARNING, "@XmlHeader annotation is not supported with this JAXB implementation. Please use JAXB RI if you need this feature.");
}
}
if (header != null) {
m.setProperty(property, "");
entityStream.write(header.getBytes(cName));
}
entityStream.write(String.format("<%s>", rootElement).getBytes(cName));
for (Object o : t) {
m.marshal(o, entityStream);
}
entityStream.write(String.format("", rootElement).getBytes(cName));
}
}