001/* 002 * (C) Copyright 2006-2016 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.ecm.core.api.NuxeoException; 035 036@Provider 037@Produces({ "*/*", "text/plain" }) 038public class ArchiveFileWriter implements MessageBodyWriter<ArchiveFile> { 039 040 @Override 041 public void writeTo(ArchiveFile t, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType, 042 MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream) throws IOException { 043 try (FileInputStream in = new FileInputStream(t)) { 044 IOUtils.copy(in, entityStream); 045 entityStream.flush(); 046 } catch (IOException e) { 047 throw new NuxeoException("Failed to render resource", e); 048 } finally { 049 if (t != null) { 050 t.delete(); 051 } 052 } 053 } 054 055 @Override 056 public long getSize(ArchiveFile arg0, Class<?> arg1, Type arg2, Annotation[] arg3, MediaType arg4) { 057 long n = arg0.length(); 058 return n <= 0 ? -1 : n; 059 } 060 061 @Override 062 public boolean isWriteable(Class<?> arg0, Type type, Annotation[] arg2, MediaType arg3) { 063 return ArchiveFile.class.isAssignableFrom(arg0); 064 } 065 066}