001/* 002 * (C) Copyright 2006-2008 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * bstefanescu 018 * 019 * $Id$ 020 */ 021 022package org.nuxeo.ecm.webengine.model.io; 023 024import java.io.IOException; 025import java.io.InputStream; 026import java.io.OutputStream; 027import java.lang.annotation.Annotation; 028import java.lang.reflect.Type; 029import java.net.URL; 030 031import javax.ws.rs.Produces; 032import javax.ws.rs.core.MediaType; 033import javax.ws.rs.core.MultivaluedMap; 034import javax.ws.rs.ext.MessageBodyWriter; 035import javax.ws.rs.ext.Provider; 036 037import org.apache.commons.io.IOUtils; 038 039/** 040 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 041 */ 042@Provider 043@Produces("*/*") 044public class URLWriter implements MessageBodyWriter<URL> { 045 046 @Override 047 public void writeTo(URL t, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType, 048 MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream) throws IOException { 049 try (InputStream in = t.openStream()) { 050 IOUtils.copy(in, entityStream); 051 entityStream.flush(); 052 } 053 } 054 055 @Override 056 public long getSize(URL arg0, Class<?> arg1, Type arg2, Annotation[] arg3, MediaType arg4) { 057 return -1; 058 } 059 060 @Override 061 public boolean isWriteable(Class<?> arg0, Type type, Annotation[] arg2, MediaType arg3) { 062 return URL.class.isAssignableFrom(arg0); 063 } 064 065}