package org.jboss.resteasy.plugins.providers.atom;
import org.apache.abdera.model.Document;
import org.apache.abdera.model.Feed;
import org.apache.abdera.parser.Parser;
import org.apache.abdera.writer.Writer;
import javax.ws.rs.Consumes;
import javax.ws.rs.Produces;
import javax.ws.rs.WebApplicationException;
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.ws.rs.ext.Provider;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
/**
* @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
* @version $Revision: 1 $
*/
@Provider
@Consumes(MediaType.APPLICATION_ATOM_XML)
@Produces(MediaType.APPLICATION_ATOM_XML)
public class AbderaFeedProvider extends AbstractAbdera implements MessageBodyReader<Feed>, MessageBodyWriter<Feed>
{
public boolean isReadable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType)
{
return type.equals(Feed.class);
}
public Feed readFrom(Class<Feed> type, Type genericType, Annotation[] annotations, MediaType mediaType, MultivaluedMap<String, String> httpHeaders, InputStream entityStream) throws IOException, WebApplicationException
{
Parser parser = abdera.getParser();
Document<Feed> doc = parser.parse(entityStream);
return doc.getRoot();
}
public boolean isWriteable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType)
{
return Feed.class.isAssignableFrom(type);
}
public long getSize(Feed feed, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType)
{
return -1;
}
public void writeTo(Feed feed, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType, MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream) throws IOException, WebApplicationException
{
Writer writer = abdera.getWriter();
writer.writeTo(feed, entityStream);
}
}