1 /*
2 * $Header: /home/cvs/jakarta-commons-sandbox/jelly/src/taglibs/beanshell/src/java/org/apache/commons/jelly/tags/beanshell/BeanShellExpressionFactory.java,v 1.1 2002/05/21 07:58:55 jstrachan Exp $
3 * $Revision: 1.1 $
4 * $Date: 2002/05/21 07:58:55 $
5 *
6 * ====================================================================
7 *
8 * The Apache Software License, Version 1.1
9 *
10 * Copyright (c) 1999-2002 The Apache Software Foundation. All rights
11 * reserved.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 *
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 *
20 * 2. Redistributions in binary form must reproduce the above copyright
21 * notice, this list of conditions and the following disclaimer in
22 * the documentation and/or other materials provided with the
23 * distribution.
24 *
25 * 3. The end-user documentation included with the redistribution, if
26 * any, must include the following acknowlegement:
27 * "This product includes software developed by the
28 * Apache Software Foundation (http://www.apache.org/)."
29 * Alternately, this acknowlegement may appear in the software itself,
30 * if and wherever such third-party acknowlegements normally appear.
31 *
32 * 4. The names "The Jakarta Project", "Commons", and "Apache Software
33 * Foundation" must not be used to endorse or promote products derived
34 * from this software without prior written permission. For written
35 * permission, please contact apache@apache.org.
36 *
37 * 5. Products derived from this software may not be called "Apache"
38 * nor may "Apache" appear in their names without prior written
39 * permission of the Apache Group.
40 *
41 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
42 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
43 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
44 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
45 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
46 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
47 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
48 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
49 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
50 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
51 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * SUCH DAMAGE.
53 * ====================================================================
54 *
55 * This software consists of voluntary contributions made by many
56 * individuals on behalf of the Apache Software Foundation. For more
57 * information on the Apache Software Foundation, please see
58 * <http://www.apache.org/>.
59 *
60 * $Id: BeanShellExpressionFactory.java,v 1.1 2002/05/21 07:58:55 jstrachan Exp $
61 */
62 package org.apache.commons.jelly.tags.jms;
63
64 import javax.jms.Destination;
65 import javax.jms.JMSException;
66
67 import org.apache.commons.jelly.JellyException;
68 import org.apache.commons.jelly.TagSupport;
69 import org.apache.commons.jelly.XMLOutput;
70
71 import org.apache.commons.messenger.Messenger;
72
73 /*** Creates a Destination object from a String name.
74 *
75 * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
76 * @version $Revision: 1.1 $
77 */
78 public class DestinationTag extends TagSupport {
79
80 /*** The variable name to create */
81 private String var;
82
83 /*** Stores the name of the map entry */
84 private String name;
85
86 // Tag interface
87 //-------------------------------------------------------------------------
88 public void doTag(XMLOutput output) throws Exception {
89 ConnectionContext messengerTag = (ConnectionContext) findAncestorWithClass( ConnectionContext.class );
90 if ( messengerTag == null ) {
91 throw new JellyException("<jms:destination> tag must be within a <jms:connection> or <jms:send> or <jms:receive> tag");
92 }
93 Messenger messenger = messengerTag.getConnection();
94 String subject = (name != null) ? name : getBodyText();
95 Destination destination = messenger.getDestination( subject );
96 if ( var != null ) {
97 context.setVariable( var, destination );
98 }
99 else {
100 MessageOperationTag tag = (MessageOperationTag) findAncestorWithClass( MessageOperationTag.class );
101 if ( tag == null ) {
102 throw new JellyException("<jms:destination> tag must be within a <jms:send> or <jms:receive> tag or the 'var' attribute should be specified");
103 }
104 tag.setDestination( destination );
105 }
106 }
107
108
109 // Properties
110 //-------------------------------------------------------------------------
111
112 /*** Sets the name of the Destination
113 */
114 public void setName(String name) {
115 this.name = name;
116 }
117
118 /*** Sets the variable name to use for the Destination
119 */
120 public void setVar(String var) {
121 this.var = var;
122 }
123 }
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