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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: JmsDestination.java,v 1.12 2003/08/17 01:32:21 tanderson Exp $ 44 * 45 * Date Author Changes 46 * 3/21/2000 jima Created 47 */ 48 package org.exolab.jms.client; 49 50 51 import java.io.Externalizable; 52 import java.io.IOException; 53 import java.io.ObjectInput; 54 import java.io.ObjectOutput; 55 56 import javax.jms.Destination; 57 import javax.jms.JMSException; 58 import javax.naming.Referenceable; 59 60 import org.exolab.jms.message.DestinationImpl; 61 62 63 /*** 64 * This is the base class for all destinations. 65 * 66 * @version $Revision: 1.12 $ $Date: 2003/08/17 01:32:21 $ 67 * @author <a href="mailto:jima@exoffice.com">Jim Alateras</a> 68 */ 69 abstract public class JmsDestination 70 extends DestinationImpl 71 implements Destination, Externalizable, Referenceable { 72 73 /*** 74 * Need a default constructor for the serialization 75 */ 76 public JmsDestination() { 77 } 78 79 /*** 80 * Instantiate an instance of this object with the specified string 81 * 82 * @param name name of the destination 83 */ 84 protected JmsDestination(String name) { 85 super(name); 86 } 87 88 /*** 89 * Return the name of the destination 90 * 91 * @return String 92 */ 93 public String getName() { 94 return getDestination(); 95 } 96 97 /*** 98 * Determine whether the destination is persistent or not 99 * 100 * @param flag true for persistent 101 */ 102 public void setPersistent(boolean flag) { 103 persistent_ = flag; 104 } 105 106 /*** 107 * Return the persistent state of this destination 108 * 109 * @return boolean 110 */ 111 public boolean getPersistent() { 112 return persistent_; 113 } 114 115 // implementation of Object.toString() 116 public String toString() { 117 return getDestination() + "-" + persistent_; 118 } 119 120 // implementation of Object.hashCode 121 public int hashCode() { 122 return getName().hashCode(); 123 } 124 125 // implementation of Externalizable.writeExternal 126 public void writeExternal(ObjectOutput stream) 127 throws IOException { 128 stream.writeLong(serialVersionUID); 129 stream.writeBoolean(persistent_); 130 super.writeExternal(stream); 131 } 132 133 // implementation of Externalizable.writeExternal 134 public void readExternal(ObjectInput stream) 135 throws IOException, ClassNotFoundException { 136 long version = stream.readLong(); 137 if (version == serialVersionUID) { 138 persistent_ = stream.readBoolean(); 139 super.readExternal(stream); 140 } else { 141 throw new IOException("JmsDestination with version " + 142 version + " is not supported."); 143 } 144 } 145 146 /*** 147 * This static method determines whether a particular string 148 * refers to a temporary destination. 149 * 150 * @param destination destination to test 151 * @return boolean true if it is 152 */ 153 public boolean isTemporaryDestination() { 154 boolean result = false; 155 156 if ((getDestination().startsWith(TEMP_QUEUE_PREFIX)) || 157 (getDestination().startsWith(TEMP_TOPIC_PREFIX))) { 158 result = true; 159 } 160 161 return result; 162 } 163 164 /*** 165 * This static method determines whether a particular DestinationImpl 166 * instance refers to a temporary destination. 167 * 168 * @param destination destination to test 169 * @return boolean true if it is 170 */ 171 public static boolean isTemporaryDestination(DestinationImpl destination) { 172 boolean result = false; 173 174 if ((destination.getDestination().startsWith(TEMP_QUEUE_PREFIX)) || 175 (destination.getDestination().startsWith(TEMP_TOPIC_PREFIX))) { 176 result = true; 177 } 178 179 return result; 180 } 181 182 183 /*** 184 * This flag determines whether or not the destination is persistent or 185 * not 186 */ 187 private boolean persistent_ = false; 188 189 /*** 190 * This is the prefix used by the temporary queues 191 */ 192 final static String TEMP_QUEUE_PREFIX = "tempqueue:"; 193 194 /*** 195 * This is the prefix used by the temporary topics 196 */ 197 final static String TEMP_TOPIC_PREFIX = "temptopic:"; 198 199 /*** 200 * Used for serialization 201 */ 202 static final long serialVersionUID = 1; 203 } 204

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