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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
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* KIND, either express or implied. See the License for the
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package org.apache.wink.server.internal.providers.entity.html;
import java.io.IOException;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import javax.ws.rs.Produces;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.MessageBodyWriter;
import javax.ws.rs.ext.Provider;
import javax.ws.rs.ext.Providers;
import org.apache.wink.common.model.synd.SyndFeed;
@Provider
@Produces(MediaType.TEXT_HTML)
public class HtmlSyndFeedProvider implements MessageBodyWriter<SyndFeed> {
@Context
private Providers providers;
public long getSize(SyndFeed t,
Class<?> type,
Type genericType,
Annotation[] annotations,
MediaType mediaType) {
return -1;
}
public boolean isWriteable(Class<?> type,
Type genericType,
Annotation[] annotations,
MediaType mediaType) {
MessageBodyWriter<HtmlDescriptor> writer =
providers.getMessageBodyWriter(HtmlDescriptor.class,
HtmlDescriptor.class,
annotations,
mediaType);
return ((SyndFeed.class.isAssignableFrom(type)) && (writer != null));
}
public void writeTo(SyndFeed t,
Class<?> type,
Type genericType,
Annotation[] annotations,
MediaType mediaType,
MultivaluedMap<String, Object> httpHeaders,
OutputStream entityStream) throws IOException, WebApplicationException {
MessageBodyWriter<HtmlDescriptor> writer =
providers.getMessageBodyWriter(HtmlDescriptor.class,
HtmlDescriptor.class,
annotations,
mediaType);
// already checked for non-null writer in isWriteable
writer.writeTo(new HtmlDescriptor(t),
HtmlDescriptor.class,
HtmlDescriptor.class,
annotations,
mediaType,
httpHeaders,
entityStream);
}
}