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 1.1 2004/11/26 01:50:43 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: 1.1 $ $Date: 2004/11/26 01:50:43 $
66 * @author <a href="mailto:mourikis@exolab.org">Jim Mourikis</a>
67 */
68 public class DeliveryModeImpl implements DeliveryMode, Externalizable {
69
70
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
88 private boolean validMode(int mode) {
89 return (mode >= DeliveryMode.NON_PERSISTENT &&
90 mode <= DeliveryMode.PERSISTENT);
91 }
92
93
94 public void writeExternal(ObjectOutput out) throws IOException {
95 out.writeLong(serialVersionUID);
96 out.writeInt(mode_);
97 }
98
99
100
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
126 public boolean isPersistent() {
127 return (mode_ == DeliveryMode.PERSISTENT ? true : false);
128 }
129 }
130