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Java > Open Source Codes > org > netbeans > modules > exceptions > web > LineTagHandler


1 /*
2  * The contents of this file are subject to the terms of the Common Development
3  * and Distribution License (the License). You may not use this file except in
4  * compliance with the License.
5  *
6  * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7  * or http://www.netbeans.org/cddl.txt.
8  *
9  * When distributing Covered Code, include this CDDL Header Notice in each file
10  * and include the License file at http://www.netbeans.org/cddl.txt.
11  * If applicable, add the following below the CDDL Header, with the fields
12  * enclosed by brackets [] replaced by your own identifying information:
13  * "Portions Copyrighted [year] [name of copyright owner]"
14  *
15  * The Original Software is NetBeans. The Initial Developer of the Original
16  * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17  * Microsystems, Inc. All Rights Reserved.
18  */
19 package org.netbeans.modules.exceptions.web;
20
21 import javax.servlet.jsp.tagext.*;
22 import javax.servlet.jsp.JspWriter JavaDoc;
23 import javax.servlet.jsp.JspException JavaDoc;
24 import java.lang.StringBuffer JavaDoc;
25 import java.util.regex.Pattern JavaDoc;
26 import org.netbeans.modules.exceptions.entity.Line;
27
28 /**
29  *
30  * @author Jan Horvath
31  * @version
32  */
33
34 public class LineTagHandler extends SimpleTagSupport {
35     
36     private Line line;
37     
38     /**Called by the container to invoke this tag.
39      * The implementation of this method is provided by the tag library developer,
40      * and handles all tag processing, body iteration, etc.
41      */
42     public void doTag() throws JspException JavaDoc {
43         
44         JspWriter JavaDoc out=getJspContext().getOut();
45         
46         try {
47             String JavaDoc methodName = line.getMethod().getName();
48             Pattern JavaDoc pat = Pattern.compile("\\.");
49             String JavaDoc[] items = pat.split(methodName);
50             int i = items.length-2;
51             if (i<0) i=0;
52             StringBuffer JavaDoc fileName = new StringBuffer JavaDoc();
53             int s = items[i].indexOf("$");
54             if (s >= 0) {
55                 fileName.append(items[i].substring(0, s));
56             } else {
57                 fileName.append(items[i]);
58             }
59             fileName.append(".java");
60             
61             out.print("at " + methodName);
62             out.print("(" + fileName + ":" + line.getLinePK().getLinenumber() + ")");
63             
64             JspFragment f=getJspBody();
65             if (f != null) f.invoke(out);
66             
67         } catch (java.io.IOException JavaDoc ex) {
68             throw new JspException JavaDoc(ex.getMessage());
69         }
70         
71     }
72     
73     public void setLine(Line line) {
74         this.line = line;
75     }
76 }
77
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