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 org.apache.geronimo.mail.handlers; 021 022 import javax.activation.ActivationDataFlavor; 023 import javax.activation.DataContentHandler; 024 import javax.activation.DataSource; 025 import java.awt.datatransfer.DataFlavor; 026 import java.io.IOException; 027 import java.io.OutputStream; 028 029 import javax.mail.internet.MimeMultipart; 030 import javax.mail.internet.MimeMessage; 031 import javax.mail.MessagingException; 032 033 /** 034 * @version $Rev: 467553 $ $Date: 2006-10-25 06:01:51 +0200 (Mi, 25. Okt 2006) $ 035 */ 036 public class MultipartHandler implements DataContentHandler { 037 /** 038 * Field dataFlavor 039 */ 040 ActivationDataFlavor dataFlavor; 041 042 public MultipartHandler(){ 043 dataFlavor = new ActivationDataFlavor(javax.mail.internet.MimeMultipart.class, "multipart/mixed", "Multipart"); 044 } 045 046 /** 047 * Constructor TextHandler 048 * 049 * @param dataFlavor 050 */ 051 public MultipartHandler(ActivationDataFlavor dataFlavor) { 052 this.dataFlavor = dataFlavor; 053 } 054 055 /** 056 * Method getDF 057 * 058 * @return dataflavor 059 */ 060 protected ActivationDataFlavor getDF() { 061 return dataFlavor; 062 } 063 064 /** 065 * Method getTransferDataFlavors 066 * 067 * @return dataflavors 068 */ 069 public DataFlavor[] getTransferDataFlavors() { 070 return (new DataFlavor[]{dataFlavor}); 071 } 072 073 /** 074 * Method getTransferData 075 * 076 * @param dataflavor 077 * @param datasource 078 * @return 079 * @throws IOException 080 */ 081 public Object getTransferData(DataFlavor dataflavor, DataSource datasource) 082 throws IOException { 083 if (getDF().equals(dataflavor)) { 084 return getContent(datasource); 085 } 086 return null; 087 } 088 089 /** 090 * Method getContent 091 * 092 * @param datasource 093 * @return 094 * @throws IOException 095 */ 096 public Object getContent(DataSource datasource) throws IOException { 097 try { 098 return new MimeMultipart(datasource); 099 } catch (MessagingException e) { 100 // if there is a syntax error from the datasource parsing, the content is 101 // just null. 102 return null; 103 } 104 } 105 106 /** 107 * Method writeTo 108 * 109 * @param object 110 * @param s 111 * @param outputstream 112 * @throws IOException 113 */ 114 public void writeTo(Object object, String s, OutputStream outputstream) throws IOException { 115 // if this object is a MimeMultipart, then delegate to the part. 116 if (object instanceof MimeMultipart) { 117 try { 118 ((MimeMultipart)object).writeTo(outputstream); 119 } catch (MessagingException e) { 120 // we need to transform any exceptions into an IOException. 121 throw new IOException("Exception writing MimeMultipart: " + e.toString()); 122 } 123 } 124 } 125 }