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1 /*** 2 * Redistribution and use of this software and associated documentation 3 * ("Software"), with or without modification, are permitted provided 4 * that the following conditions are met: 5 * 6 * 1. Redistributions of source code must retain copyright 7 * statements and notices. Redistributions must also contain a 8 * copy of this document. 9 * 10 * 2. Redistributions in binary form must reproduce the 11 * above copyright notice, this list of conditions and the 12 * following disclaimer in the documentation and/or other 13 * materials provided with the distribution. 14 * 15 * 3. The name "Exolab" must not be used to endorse or promote 16 * products derived from this Software without prior written 17 * permission of Exoffice Technologies. For written permission, 18 * please contact info@exolab.org. 19 * 20 * 4. Products derived from this Software may not be called "Exolab" 21 * nor may "Exolab" appear in their names without prior written 22 * permission of Exoffice Technologies. Exolab is a registered 23 * trademark of Exoffice Technologies. 24 * 25 * 5. Due credit should be given to the Exolab Project 26 * (http://www.exolab.org/). 27 * 28 * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS 29 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT 30 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 31 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 32 * EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 33 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 34 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 35 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 37 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 39 * OF THE POSSIBILITY OF SUCH DAMAGE. 40 * 41 * Copyright 2000-2003 (C) Exoffice Technologies Inc. All Rights Reserved. 42 * 43 * $Id: TextMessageImpl.java,v 1.10 2003/08/17 01:32:24 tanderson Exp $ 44 * 45 * Date Author Changes 46 * 02/26/2000 jimm Created 47 */ 48 49 package org.exolab.jms.message; 50 51 import java.io.IOException; 52 import java.io.ObjectInput; 53 import java.io.ObjectOutput; 54 55 import javax.jms.JMSException; 56 import javax.jms.MessageNotWriteableException; 57 import javax.jms.TextMessage; 58 59 60 /*** 61 * This class implements the <code>javax.jms.TextMessage</code> interface 62 * 63 * @version $Revision: 1.10 $ $Date: 2003/08/17 01:32:24 $ 64 * @author <a href="mailto:mourikis@exolab.org">Jim Mourikis</a> 65 * @see javax.jms.TextMessage 66 */ 67 public final class TextMessageImpl extends MessageImpl implements TextMessage { 68 69 /*** 70 * Object version no. for serialization 71 */ 72 static final long serialVersionUID = 1; 73 74 /*** 75 * The message body 76 */ 77 private String _text = null; 78 79 /*** 80 * Construct a new TextMessage 81 * 82 * @throws JMSException if the message type can't be set 83 */ 84 public TextMessageImpl() throws JMSException { 85 setJMSType("TextMessage"); 86 } 87 88 /*** 89 * Clone an instance of this object 90 * 91 * @return a copy of this object 92 * @throws CloneNotSupportedException if object or attributes aren't 93 * cloneable 94 */ 95 public final Object clone() throws CloneNotSupportedException { 96 return super.clone(); 97 } 98 99 /*** 100 * Serialize out this message's data 101 * 102 * @param out the stream to serialize out to 103 * @throws IOException if any I/O exceptions occurr 104 */ 105 public final void writeExternal(ObjectOutput out) throws IOException { 106 super.writeExternal(out); 107 out.writeLong(serialVersionUID); 108 out.writeObject(_text); 109 } 110 111 /*** 112 * Serialize in this message's data 113 * 114 * @param in the stream to serialize in from 115 * @throws ClassNotFoundException if the class for an object being 116 * restored cannot be found. 117 * @throws IOException if any I/O exceptions occur 118 */ 119 public final void readExternal(ObjectInput in) 120 throws ClassNotFoundException, IOException { 121 super.readExternal(in); 122 long version = in.readLong(); 123 if (version == serialVersionUID) { 124 _text = (String) in.readObject(); 125 } else { 126 throw new IOException("Incorrect version enountered: " + version + 127 ". This version = " + serialVersionUID); 128 } 129 } 130 131 /*** 132 * Set the string containing this message's data. 133 * 134 * @param string the String containing the message's data 135 * @throws MessageNotWriteableException if message in read-only mode. 136 */ 137 public final void setText(String string) 138 throws MessageNotWriteableException { 139 checkWrite(); 140 _text = string; 141 } 142 143 /*** 144 * Get the string containing this message's data. The default value is 145 * null. 146 * 147 * @return the String containing the message's data 148 */ 149 public final String getText() { 150 return _text; 151 } 152 153 /*** 154 * Clear out the message body. Clearing a message's body does not clear 155 * its header values or property entries. 156 * If this message body was read-only, calling this method leaves the 157 * message body is in the same state as an empty body in a newly created 158 * message 159 */ 160 public final void clearBody() throws JMSException { 161 super.clearBody(); 162 _text = null; 163 } 164 165 /*** 166 * Returns the message text 167 */ 168 public final String toString() { 169 return getText(); 170 } 171 172 } //-- TextMessageImpl

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