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1 package org.apache.turbine.util.mail; 2 3 /* ==================================================================== 4 * The Apache Software License, Version 1.1 5 * 6 * Copyright (c) 2001 The Apache Software Foundation. All rights 7 * reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in 18 * the documentation and/or other materials provided with the 19 * distribution. 20 * 21 * 3. The end-user documentation included with the redistribution, 22 * if any, must include the following acknowledgment: 23 * "This product includes software developed by the 24 * Apache Software Foundation (http://www.apache.org/)." 25 * Alternately, this acknowledgment may appear in the software itself, 26 * if and wherever such third-party acknowledgments normally appear. 27 * 28 * 4. The names "Apache" and "Apache Software Foundation" and 29 * "Apache Turbine" must not be used to endorse or promote products 30 * derived from this software without prior written permission. For 31 * written permission, please contact apache@apache.org. 32 * 33 * 5. Products derived from this software may not be called "Apache", 34 * "Apache Turbine", nor may "Apache" appear in their name, without 35 * prior written permission of the Apache Software Foundation. 36 * 37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 40 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 41 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 43 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 44 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 45 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 46 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 47 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 48 * SUCH DAMAGE. 49 * ==================================================================== 50 * 51 * This software consists of voluntary contributions made by many 52 * individuals on behalf of the Apache Software Foundation. For more 53 * information on the Apache Software Foundation, please see 54 * <http://www.apache.org/>;. 55 */ 56 57 import java.io.BufferedInputStream; 58 import java.io.BufferedOutputStream; 59 import java.io.ByteArrayInputStream; 60 import java.io.ByteArrayOutputStream; 61 import java.io.IOException; 62 import java.io.InputStream; 63 import java.io.OutputStream; 64 import java.io.UnsupportedEncodingException; 65 66 import javax.activation.DataSource; 67 68 /*** 69 * This class implements a typed DataSource from:<br> 70 * 71 * - an InputStream<br> 72 * - a byte array<br> 73 * - a String<br> 74 * 75 * @author <a href="mailto:jon@latchkey.com">Jon S. Stevens</a> 76 * @author <a href="mailto:bmclaugh@algx.net">Brett McLaughlin</a> 77 * @version $Id: ByteArrayDataSource.java,v 1.1.1.1 2001/08/16 05:09:55 jvanzyl Exp $ 78 */ 79 public class ByteArrayDataSource 80 implements DataSource 81 { 82 /*** Data. */ 83 private byte[] data; 84 85 /*** Content-type. */ 86 private String type; 87 88 private ByteArrayOutputStream baos; 89 90 91 /*** 92 * Create a datasource from a byte array. 93 * 94 * @param data A byte[]. 95 * @param type A String. 96 */ 97 public ByteArrayDataSource(byte[] data, 98 String type) 99 { 100 this.data = data; 101 this.type = type; 102 } 103 104 /*** 105 * Create a datasource from an input stream. 106 * 107 * @param is An InputStream. 108 * @param type A String. 109 */ 110 public ByteArrayDataSource(InputStream is, 111 String type) 112 { 113 this.type = type; 114 try 115 { 116 int ch; 117 118 ByteArrayOutputStream os = new ByteArrayOutputStream(); 119 BufferedInputStream isReader = new BufferedInputStream( is ); 120 BufferedOutputStream osWriter = new BufferedOutputStream( os ); 121 122 while ((ch = isReader.read()) != -1) 123 { 124 osWriter.write(ch); 125 } 126 data = os.toByteArray(); 127 } 128 catch (IOException ioex) 129 { 130 // Do something! 131 } 132 } 133 134 /*** 135 * Create a datasource from a String. 136 * 137 * @param data A String. 138 * @param type A String. 139 */ 140 public ByteArrayDataSource(String data, 141 String type) 142 { 143 this.type = type; 144 try 145 { 146 // Assumption that the string contains only ASCII 147 // characters! Else just pass in a charset into this 148 // constructor and use it in getBytes(). 149 this.data = data.getBytes("iso-8859-1"); 150 } 151 catch (UnsupportedEncodingException uex) 152 { 153 // Do something! 154 } 155 } 156 157 /*** 158 * Get the content type. 159 * 160 * @return A String. 161 */ 162 public String getContentType() 163 { 164 if ( type == null ) 165 return "application/octet-stream"; 166 else 167 return type; 168 } 169 170 /*** 171 * Get the input stream. 172 * 173 * @return An InputStream. 174 * @exception IOException. 175 */ 176 public InputStream getInputStream() 177 throws IOException 178 { 179 if (data == null) 180 throw new IOException("no data"); 181 return new ByteArrayInputStream(data); 182 } 183 184 /*** 185 * Get the name. 186 * 187 * @return A String. 188 */ 189 public String getName() 190 { 191 return "ByteArrayDataSource"; 192 } 193 194 /*** 195 * Get the output stream. 196 * 197 * @return An OutputStream. 198 * @exception IOException. 199 */ 200 public OutputStream getOutputStream() 201 throws IOException 202 { 203 baos = new ByteArrayOutputStream(); 204 return baos; 205 } 206 }

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