001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019 020 package javax.mail.internet; 021 022 import java.io.IOException; 023 import java.io.InputStream; 024 import java.io.OutputStream; 025 import java.net.UnknownServiceException; 026 import javax.activation.DataSource; 027 import javax.mail.MessageAware; 028 import javax.mail.MessageContext; 029 import javax.mail.MessagingException; 030 031 /** 032 * @version $Rev: 467553 $ $Date: 2006-10-25 06:01:51 +0200 (Mi, 25. Okt 2006) $ 033 */ 034 public class MimePartDataSource implements DataSource, MessageAware { 035 private final MimePart part; 036 037 public MimePartDataSource(MimePart part) { 038 this.part = part; 039 } 040 041 public InputStream getInputStream() throws IOException { 042 try { 043 InputStream stream; 044 if (part instanceof MimeMessage) { 045 stream = ((MimeMessage) part).getContentStream(); 046 } else if (part instanceof MimeBodyPart) { 047 stream = ((MimeBodyPart) part).getContentStream(); 048 } else { 049 throw new MessagingException("Unknown part"); 050 } 051 String encoding = part.getEncoding(); 052 return encoding == null ? stream : MimeUtility.decode(stream, encoding); 053 } catch (MessagingException e) { 054 throw (IOException) new IOException(e.getMessage()).initCause(e); 055 } 056 } 057 058 public OutputStream getOutputStream() throws IOException { 059 throw new UnknownServiceException(); 060 } 061 062 public String getContentType() { 063 try { 064 return part.getContentType(); 065 } catch (MessagingException e) { 066 return null; 067 } 068 } 069 070 public String getName() { 071 return ""; 072 } 073 074 public synchronized MessageContext getMessageContext() { 075 return new MessageContext(part); 076 } 077 }