001/* 002 * (C) Copyright 2006-2010 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 * Thierry Delprat 018 */ 019package org.nuxeo.apidoc.export; 020 021import java.io.FileInputStream; 022import java.io.IOException; 023import java.io.OutputStream; 024import java.lang.annotation.Annotation; 025import java.lang.reflect.Type; 026 027import javax.ws.rs.Produces; 028import javax.ws.rs.core.MediaType; 029import javax.ws.rs.core.MultivaluedMap; 030import javax.ws.rs.ext.MessageBodyWriter; 031import javax.ws.rs.ext.Provider; 032 033import org.apache.commons.io.IOUtils; 034import org.nuxeo.common.utils.FileUtils; 035import org.nuxeo.ecm.webengine.WebException; 036 037@Provider 038@Produces({ "*/*", "text/plain" }) 039public class ArchiveFileWriter implements MessageBodyWriter<ArchiveFile> { 040 041 @Override 042 public void writeTo(ArchiveFile t, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType, 043 MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream) throws IOException { 044 FileInputStream in = null; 045 try { 046 in = new FileInputStream(t); 047 FileUtils.copy(in, entityStream); 048 entityStream.flush(); 049 } catch (IOException e) { 050 throw WebException.wrap("Failed to render resource", e); 051 } finally { 052 IOUtils.closeQuietly(in); 053 if (t != null) { 054 t.delete(); 055 } 056 } 057 } 058 059 @Override 060 public long getSize(ArchiveFile arg0, Class<?> arg1, Type arg2, Annotation[] arg3, MediaType arg4) { 061 long n = arg0.length(); 062 return n <= 0 ? -1 : n; 063 } 064 065 @Override 066 public boolean isWriteable(Class<?> arg0, Type type, Annotation[] arg2, MediaType arg3) { 067 return ArchiveFile.class.isAssignableFrom(arg0); 068 } 069 070}