001/*
002 * (C) Copyright 2006-2008 Nuxeo SAS (http://nuxeo.com/) and contributors.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *     bstefanescu
016 *
017 * $Id$
018 */
019
020package org.nuxeo.ecm.webengine.model.io;
021
022import java.io.IOException;
023import java.io.InputStream;
024import java.io.OutputStream;
025import java.lang.annotation.Annotation;
026import java.lang.reflect.Type;
027import java.net.URL;
028
029import javax.ws.rs.Produces;
030import javax.ws.rs.core.MediaType;
031import javax.ws.rs.core.MultivaluedMap;
032import javax.ws.rs.ext.MessageBodyWriter;
033import javax.ws.rs.ext.Provider;
034
035import org.nuxeo.common.utils.FileUtils;
036import org.nuxeo.ecm.webengine.WebException;
037
038/**
039 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
040 */
041@Provider
042@Produces("*/*")
043public class URLWriter implements MessageBodyWriter<URL> {
044
045    public void writeTo(URL t, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType,
046            MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream) throws IOException {
047        try (InputStream in = t.openStream()) {
048            FileUtils.copy(in, entityStream);
049            entityStream.flush();
050        }
051    }
052
053    public long getSize(URL arg0, Class<?> arg1, Type arg2, Annotation[] arg3, MediaType arg4) {
054        return -1;
055    }
056
057    public boolean isWriteable(Class<?> arg0, Type type, Annotation[] arg2, MediaType arg3) {
058        return URL.class.isAssignableFrom(arg0);
059    }
060
061}