001/* 002 * (C) Copyright 2006-2010 Nuxeo SA (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 * Thierry Delprat 016 */ 017package org.nuxeo.apidoc.export; 018 019import java.io.FileInputStream; 020import java.io.IOException; 021import java.io.OutputStream; 022import java.lang.annotation.Annotation; 023import java.lang.reflect.Type; 024 025import javax.ws.rs.Produces; 026import javax.ws.rs.core.MediaType; 027import javax.ws.rs.core.MultivaluedMap; 028import javax.ws.rs.ext.MessageBodyWriter; 029import javax.ws.rs.ext.Provider; 030 031import org.apache.commons.io.IOUtils; 032import org.nuxeo.common.utils.FileUtils; 033import org.nuxeo.ecm.webengine.WebException; 034 035@Provider 036@Produces({ "*/*", "text/plain" }) 037public class ArchiveFileWriter implements MessageBodyWriter<ArchiveFile> { 038 039 @Override 040 public void writeTo(ArchiveFile t, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType, 041 MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream) throws IOException { 042 FileInputStream in = null; 043 try { 044 in = new FileInputStream(t); 045 FileUtils.copy(in, entityStream); 046 entityStream.flush(); 047 } catch (IOException e) { 048 throw WebException.wrap("Failed to render resource", e); 049 } finally { 050 IOUtils.closeQuietly(in); 051 if (t != null) { 052 t.delete(); 053 } 054 } 055 } 056 057 @Override 058 public long getSize(ArchiveFile arg0, Class<?> arg1, Type arg2, Annotation[] arg3, MediaType arg4) { 059 long n = arg0.length(); 060 return n <= 0 ? -1 : n; 061 } 062 063 @Override 064 public boolean isWriteable(Class<?> arg0, Type type, Annotation[] arg2, MediaType arg3) { 065 return ArchiveFile.class.isAssignableFrom(arg0); 066 } 067 068}