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Java > Open Source Codes > org > apache > taglibs > jms > TextMessageTag


1 /*
2  * Copyright 1999,2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 package org.apache.taglibs.jms;
18
19 import javax.jms.JMSException JavaDoc;
20 import javax.jms.Message JavaDoc;
21 import javax.servlet.jsp.JspException JavaDoc;
22 import javax.servlet.jsp.tagext.BodyContent JavaDoc;
23 import javax.servlet.jsp.tagext.BodyTag JavaDoc;
24
25 /** Creates a JMS TextMessage
26   *
27   * @author <a HREF="mailto:jstrachan@apache.org">James Strachan</a>
28   * @version $Revision: 1.2 $
29   */
30 public class TextMessageTag extends MessageTag implements BodyTag JavaDoc {
31
32     private BodyContent JavaDoc bodyContent;
33     private String JavaDoc body;
34     
35     public TextMessageTag() {
36     }
37
38     // BodyTag interface
39 //-------------------------------------------------------------------------
40 public void doInitBody() {
41     }
42
43     public int doStartTag() {
44         if ( body != null ) {
45             return EVAL_BODY_INCLUDE;
46         }
47         return EVAL_BODY_BUFFERED;
48     }
49     
50     public int doAfterBody() {
51         return SKIP_BODY;
52     }
53     
54     public void setBodyContent(BodyContent JavaDoc bodyContent) {
55         this.bodyContent = bodyContent;
56     }
57     
58     public void release() {
59         super.release();
60         body = null;
61         bodyContent = null;
62     }
63     
64     // Properties
65 //-------------------------------------------------------------------------
66 public void setBody(String JavaDoc body) throws JMSException JavaDoc {
67         this.body = body;
68     }
69     
70     // Implementation methods
71 //-------------------------------------------------------------------------
72 protected Message JavaDoc createMessage() throws JspException JavaDoc, JMSException JavaDoc {
73         String JavaDoc text = (body != null) ? body : bodyContent.getString();
74         return getConnection().createTextMessage(text);
75     }
76 }
77
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