/******************************************************************************* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * 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 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. * *******************************************************************************/ 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.SyndEntry; @Provider @Produces(MediaType.TEXT_HTML) public class HtmlSyndEntryProvider implements MessageBodyWriter<SyndEntry> { @Context private Providers providers; public long getSize(SyndEntry 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 ((SyndEntry.class.isAssignableFrom(type)) && (writer != null)); } public void writeTo(SyndEntry 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); } }