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Java > Open Source Codes > org > apache > taglibs > xtags > xpath > JspValueOfAction


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.xtags.xpath;
18
19 import java.io.IOException JavaDoc;
20
21 import javax.servlet.jsp.PageContext JavaDoc;
22
23 import org.dom4j.Node;
24 import org.dom4j.rule.Action;
25
26 /** Outputs the string-value of the given Node (as defined by the XPath
27   * specification) to the current JSP output
28   *
29   * @author James Strachan
30   */
31 public class JspValueOfAction implements Action {
32
33     /** Holds value of property pageContext. */
34     private PageContext JavaDoc pageContext;
35     
36
37     public JspValueOfAction() {
38     }
39
40     public JspValueOfAction(PageContext JavaDoc pageContext) {
41         this.pageContext = pageContext;
42     }
43
44     
45     /** Getter for property pageContext.
46      * @return Value of property pageContext.
47      */
48     public PageContext JavaDoc getPageContext() {
49         return pageContext;
50     }
51     
52     /** Setter for property pageContext.
53      * @param pageContext New value of property pageContext.
54      */
55     public void setPageContext(PageContext JavaDoc pageContext) {
56         this.pageContext = pageContext;
57     }
58     
59     
60     
61     // Action interface
62 //-------------------------------------------------------------------------
63 public void run( Node node ) throws Exception JavaDoc {
64         String JavaDoc text = node.getStringValue();
65         if ( text != null && text.length() > 0 ) {
66             text = ValueOfTag.encode( text );
67             
68             pageContext.getOut().print( text );
69         }
70     }
71 }
72
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