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Java > Open Source Codes > org > ofbiz > webapp > taglib > FormatTag


1 /*
2  * $Id: FormatTag.java 5462 2005-08-05 18:35:48Z jonesde $
3  *
4  * Copyright (c) 2001-2003 The Open For Business Project - www.ofbiz.org
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included
14  * in all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
19  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
20  * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
21  * OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
22  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23  *
24  */

25 package org.ofbiz.webapp.taglib;
26
27 import java.text.DateFormat JavaDoc;
28 import java.text.NumberFormat JavaDoc;
29 import javax.servlet.jsp.JspException JavaDoc;
30 import javax.servlet.jsp.tagext.BodyContent JavaDoc;
31 import javax.servlet.jsp.tagext.BodyTagSupport JavaDoc;
32
33 import org.ofbiz.base.util.Debug;
34 import org.ofbiz.base.util.UtilJ2eeCompat;
35
36 /**
37  * FormatTag - JSP Tag to format numbers and dates.
38  *
39  * @author <a HREF="mailto:jaz@ofbiz.org">Andy Zeneski</a>
40  * @version $Rev: 5462 $
41  * @since 2.0
42  */

43 public class FormatTag extends BodyTagSupport JavaDoc {
44     
45     public static final String JavaDoc module = FormatTag.class.getName();
46
47     private String JavaDoc type = "N";
48     private String JavaDoc defaultStr = "";
49
50     public void setType(String JavaDoc type) {
51         this.type = type;
52     }
53
54     public String JavaDoc getType() {
55         return type;
56     }
57
58     public String JavaDoc getDefault() {
59         return defaultStr;
60     }
61
62     public void setDefault(String JavaDoc defaultStr) {
63         this.defaultStr = defaultStr;
64     }
65
66     public int doAfterBody() throws JspException JavaDoc {
67         NumberFormat JavaDoc nf = null;
68         DateFormat JavaDoc df = null;
69         BodyContent JavaDoc body = getBodyContent();
70         String JavaDoc value = body.getString();
71         body.clearBody();
72
73         if (value == null || value.length() == 0)
74             return SKIP_BODY;
75
76         if (type.charAt(0) == 'C' || type.charAt(0) == 'c')
77             nf = NumberFormat.getCurrencyInstance();
78         if (type.charAt(0) == 'N' || type.charAt(0) == 'n')
79             nf = NumberFormat.getNumberInstance();
80         if (type.charAt(0) == 'D' || type.charAt(0) == 'd')
81             df = DateFormat.getDateInstance();
82
83         try {
84             if (nf != null) {
85                 // do the number formatting
86
NumberFormat JavaDoc strFormat = NumberFormat.getInstance();
87
88                 getPreviousOut().print(nf.format(strFormat.parse(value.trim())));
89             } else if (df != null) {
90                 // do the date formatting
91
getPreviousOut().print(df.format(df.parse(value.trim())));
92             } else {
93                 // just return the value
94
getPreviousOut().print(value);
95             }
96         } catch (Exception JavaDoc e) {
97             if (UtilJ2eeCompat.useNestedJspException(pageContext.getServletContext())) {
98                 throw new JspException JavaDoc(e.getMessage(), e);
99             } else {
100                 Debug.logError(e, "Server does not support nested exceptions, here is the exception", module);
101                 throw new JspException JavaDoc(e.toString());
102             }
103         }
104
105         return SKIP_BODY;
106     }
107
108 }
109
110
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