/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2010 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.jersey.samples.jersey_ejb.entities;
import java.io.IOException;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.net.URI;
import java.util.List;
import javax.ejb.Stateless;
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.core.UriInfo;
import javax.ws.rs.ext.MessageBodyWriter;
import javax.ws.rs.ext.Provider;
/**
*
* @author pavel.bucek@sun.com
*/
@Stateless
@Provider
public class MessageListWriter implements MessageBodyWriter<List<Message>> {
@Context UriInfo ui;
public boolean isWriteable(Class<?> clazz, Type type, Annotation[] annotation, MediaType mediaType) {
return verifyGenericType(type);
}
private boolean verifyGenericType(Type genericType) {
if (!(genericType instanceof ParameterizedType)) return false;
final ParameterizedType pt = (ParameterizedType)genericType;
if (pt.getActualTypeArguments().length > 1) return false;
if (!(pt.getActualTypeArguments()[0] instanceof Class)) return false;
final Class listClass = (Class)pt.getActualTypeArguments()[0];
return listClass == Message.class;
}
public long getSize(List<Message> messages, Class<?> clazz, Type type, Annotation[] annotation, MediaType mediaType) {
return -1;
}
public void writeTo(List<Message> messages, Class<?> clazz, Type type, Annotation[] annotation, MediaType mediaType, MultivaluedMap<String, Object> arg5, OutputStream ostream) throws IOException, WebApplicationException {
for (Message m : messages) {
ostream.write(m.toString().getBytes());
URI mUri = ui.getAbsolutePathBuilder().path(Integer.toString(m.getUniqueId())).build();
ostream.write((" <a href='" + mUri.toASCIIString() + "'>link</a><br />").getBytes());
}
}
}