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Java > Open Source Codes > org > ofbiz > minilang > method > FieldString


1 /*
2  * $Id: FieldString.java 5462 2005-08-05 18:35:48Z jonesde $
3  *
4  * Copyright (c) 2001, 2002 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 package org.ofbiz.minilang.method;
25
26 import java.util.*;
27
28 import org.w3c.dom.*;
29 import org.ofbiz.base.util.*;
30 import org.ofbiz.minilang.*;
31
32 /**
33  * A type of MethodString that represents a String constant value
34  *
35  * @author <a HREF="mailto:jonesde@ofbiz.org">David E. Jones</a>
36  * @version $Rev: 5462 $
37  * @since 2.0
38  */
39 public class FieldString extends MethodString {
40     
41     public static final String JavaDoc module = FieldString.class.getName();
42     
43     ContextAccessor fieldAcsr;
44     ContextAccessor mapAcsr;
45
46     public FieldString(Element element, SimpleMethod simpleMethod) {
47         super(element, simpleMethod);
48         fieldAcsr = new ContextAccessor(element.getAttribute("field-name"));
49         mapAcsr = new ContextAccessor(element.getAttribute("map-name"));
50     }
51
52     public String JavaDoc getString(MethodContext methodContext) {
53         Object JavaDoc fieldVal = null;
54         if (!mapAcsr.isEmpty()) {
55             Map fromMap = (Map) mapAcsr.get(methodContext);
56             if (fromMap == null) {
57                 Debug.logWarning("Map not found with name " + mapAcsr + ", not getting string value", module);
58                 return "";
59             }
60             fieldVal = fieldAcsr.get(fromMap, methodContext);
61         } else {
62             // no map name, try the env
63 fieldVal = fieldAcsr.get(methodContext);
64         }
65
66         if (fieldVal == null) {
67             if (Debug.infoOn()) Debug.logInfo("Field value not found with name " + fieldAcsr + " in Map with name " + mapAcsr + ", not getting string value", module);
68             return "";
69         }
70         
71         return fieldVal.toString();
72     }
73 }
74
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