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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: DeliveryModeImpl.java,v 1.5 2003/08/17 01:32:24 tanderson Exp $ 44 * 45 * Date Author Changes 46 * 02/26/2000 jimm Created 47 */ 48 49 50 package org.exolab.jms.message; 51 52 53 import java.io.Externalizable; 54 import java.io.IOException; 55 import java.io.ObjectInput; 56 import java.io.ObjectOutput; 57 58 import javax.jms.DeliveryMode; 59 import javax.jms.JMSException; 60 61 62 /*** 63 * Implementation of <code>javax.jms.DeliveryMode</code> 64 * 65 * @version $Revision: 1.5 $ $Date: 2003/08/17 01:32:24 $ 66 * @author <a href="mailto:mourikis@exolab.org">Jim Mourikis</a> 67 */ 68 public class DeliveryModeImpl implements DeliveryMode, Externalizable { 69 70 // Version Id used for streaming 71 static final long serialVersionUID = 1; 72 73 private int mode_ = DeliveryMode.NON_PERSISTENT; 74 75 public DeliveryModeImpl() { 76 77 } 78 79 public DeliveryModeImpl(int mode) throws JMSException { 80 if (validMode(mode)) { 81 mode_ = mode; 82 } else { 83 throw new JMSException("Invalid Mode"); 84 } 85 } 86 87 // Only support two modes for this release. 88 private boolean validMode(int mode) { 89 return (mode >= DeliveryMode.NON_PERSISTENT && 90 mode <= DeliveryMode.PERSISTENT); 91 } 92 93 // Marshall out 94 public void writeExternal(ObjectOutput out) throws IOException { 95 out.writeLong(serialVersionUID); 96 out.writeInt(mode_); 97 } 98 99 100 // Marshall in 101 public void readExternal(ObjectInput in) 102 throws IOException, ClassNotFoundException { 103 long version = in.readLong(); 104 if (version == serialVersionUID) { 105 mode_ = in.readInt(); 106 } else { 107 throw new IOException("Incorrect version enountered: " + 108 version + " This version = " + 109 serialVersionUID); 110 } 111 } 112 113 public void setDeliveryMode(int mode) throws JMSException { 114 if (validMode(mode)) { 115 mode_ = mode; 116 } else { 117 throw new JMSException("Invalid Mode"); 118 } 119 } 120 121 public int getDeliveryMode() { 122 return mode_; 123 } 124 125 // Helper 126 public boolean isPersistent() { 127 return (mode_ == DeliveryMode.PERSISTENT ? true : false); 128 } 129 } 130

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