001/* 002 * (C) Copyright 2006-2011 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 */ 019package org.nuxeo.ecm.automation.client.jaxrs.spi; 020 021import static org.nuxeo.ecm.automation.client.Constants.CTYPE_AUTOMATION; 022import static org.nuxeo.ecm.automation.client.Constants.CTYPE_ENTITY; 023import static org.nuxeo.ecm.automation.client.Constants.CTYPE_MULTIPART_MIXED; 024 025import java.io.File; 026import java.io.FileInputStream; 027import java.io.IOException; 028import java.io.InputStream; 029import java.util.HashMap; 030import java.util.regex.Matcher; 031import java.util.regex.Pattern; 032 033import javax.mail.BodyPart; 034import javax.mail.MessagingException; 035import javax.mail.internet.MimeMultipart; 036 037import org.nuxeo.ecm.automation.client.RemoteException; 038import org.nuxeo.ecm.automation.client.jaxrs.spi.marshallers.ExceptionMarshaller; 039import org.nuxeo.ecm.automation.client.jaxrs.util.IOUtils; 040import org.nuxeo.ecm.automation.client.jaxrs.util.InputStreamDataSource; 041import org.nuxeo.ecm.automation.client.model.Blob; 042import org.nuxeo.ecm.automation.client.model.Blobs; 043import org.nuxeo.ecm.automation.client.model.FileBlob; 044 045/** 046 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 047 */ 048public class Request extends HashMap<String, String> { 049 050 public static final int GET = 0; 051 052 public static final int POST = 1; 053 054 private static final long serialVersionUID = 1L; 055 056 protected static Pattern ATTR_PATTERN = Pattern.compile(";?\\s*filename\\s*=\\s*([^;]+)\\s*", 057 Pattern.CASE_INSENSITIVE); 058 059 protected final int method; 060 061 protected final String url; 062 063 protected final boolean isMultiPart; 064 065 protected Object entity; 066 067 public Request(int method, String url) { 068 this.method = method; 069 this.url = url; 070 isMultiPart = false; 071 } 072 073 public Request(int method, String url, MimeMultipart entity) { 074 this.method = method; 075 this.url = url; 076 this.entity = entity; 077 isMultiPart = true; 078 } 079 080 public Request(int method, String url, String entity) { 081 this.method = method; 082 this.url = url; 083 this.entity = entity; 084 isMultiPart = false; 085 } 086 087 public int getMethod() { 088 return method; 089 } 090 091 public String getUrl() { 092 return url; 093 } 094 095 public Object getEntity() { 096 return entity; 097 } 098 099 public final boolean isMultiPart() { 100 return isMultiPart; 101 } 102 103 public MimeMultipart asMultiPartEntity() { 104 return isMultiPart ? (MimeMultipart) entity : null; 105 } 106 107 public String asStringEntity() { 108 return isMultiPart ? null : (String) entity; 109 } 110 111 /** 112 * Must read the object from the server response and return it or throw a {@link RemoteException} if server sent an 113 * error. 114 */ 115 public Object handleResult(int status, String ctype, String disp, InputStream stream) throws RemoteException, 116 IOException { 117 if (status == 204) { // no content 118 return null; 119 } else if (status >= 400) { 120 handleException(status, ctype, stream); 121 } 122 String lctype = ctype.toLowerCase(); 123 if (lctype.startsWith(CTYPE_ENTITY)) { 124 return JsonMarshalling.readEntity(IOUtils.read(stream)); 125 } else if (lctype.startsWith(CTYPE_AUTOMATION)) { 126 return JsonMarshalling.readRegistry(IOUtils.read(stream)); 127 } else if (lctype.startsWith(CTYPE_MULTIPART_MIXED)) { // list of 128 // blobs 129 return readBlobs(ctype, stream); 130 } else { // a blob? 131 String fname = null; 132 if (disp != null) { 133 fname = getFileName(disp); 134 } 135 return readBlob(ctype, fname, stream); 136 } 137 } 138 139 protected static Blobs readBlobs(String ctype, InputStream in) throws IOException { 140 Blobs files = new Blobs(); 141 // save the stream to a temporary file 142 File file = IOUtils.copyToTempFile(in); 143 FileInputStream fin = new FileInputStream(file); 144 try { 145 MimeMultipart mp = new MimeMultipart(new InputStreamDataSource(fin, ctype)); 146 int size = mp.getCount(); 147 for (int i = 0; i < size; i++) { 148 BodyPart part = mp.getBodyPart(i); 149 String fname = part.getFileName(); 150 files.add(readBlob(part.getContentType(), fname, part.getInputStream())); 151 } 152 } catch (MessagingException e) { 153 throw new IOException(e); 154 } finally { 155 try { 156 fin.close(); 157 } catch (IOException e) { 158 } 159 file.delete(); 160 } 161 return files; 162 } 163 164 protected static Blob readBlob(String ctype, String fileName, InputStream in) throws IOException { 165 File file = IOUtils.copyToTempFile(in); 166 FileBlob blob = new FileBlob(file); 167 blob.setMimeType(ctype); 168 if (fileName != null) { 169 blob.setFileName(fileName); 170 } 171 return blob; 172 } 173 174 protected static String getFileName(String ctype) { 175 Matcher m = ATTR_PATTERN.matcher(ctype); 176 if (m.find()) { 177 return m.group(1); 178 } 179 return null; 180 } 181 182 protected void handleException(int status, String ctype, InputStream stream) throws RemoteException, IOException { 183 if (CTYPE_ENTITY.equalsIgnoreCase(ctype)) { 184 String content = IOUtils.read(stream); 185 RemoteException e = null; 186 try { 187 e = ExceptionMarshaller.readException(content); 188 } catch (IOException t) { 189 throw new RemoteException(status, "ServerError", "Server Error", content); 190 } 191 throw e; 192 } else { 193 throw new RemoteException(status, "ServerError", "Server Error", IOUtils.read(stream)); 194 } 195 } 196 197}