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Java > Open Source Codes > org > ofbiz > minilang > method > envops > FieldToEnv


1 /*
2  * $Id: FieldToEnv.java 5824 2005-09-25 23:18:16Z 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.envops;
25
26 import java.util.*;
27
28 import org.w3c.dom.*;
29 import org.ofbiz.base.util.*;
30 import org.ofbiz.minilang.*;
31 import org.ofbiz.minilang.method.*;
32
33 /**
34  * Copies a map field to an environment field
35  *
36  * @author <a HREF="mailto:jonesde@ofbiz.org">David E. Jones</a>
37  * @version $Rev: 5824 $
38  * @since 2.0
39  */
40 public class FieldToEnv extends MethodOperation {
41     
42     public static final String JavaDoc module = FieldToEnv.class.getName();
43     
44     ContextAccessor envAcsr;
45     ContextAccessor mapAcsr;
46     ContextAccessor fieldAcsr;
47
48     public FieldToEnv(Element element, SimpleMethod simpleMethod) {
49         super(element, simpleMethod);
50         envAcsr = new ContextAccessor(element.getAttribute("env-name"));
51         mapAcsr = new ContextAccessor(element.getAttribute("map-name"));
52         fieldAcsr = new ContextAccessor(element.getAttribute("field-name"));
53
54         // set fieldAcsr to their defualt value of envAcsr if empty - this is the way it USED to work, so still supporting it, but a parsing error will result
55 if (fieldAcsr.isEmpty()) {
56             fieldAcsr = envAcsr;
57         }
58         // this is the new way that makes more sense, ie the destination should default to the source
59 if (envAcsr.isEmpty()) {
60             envAcsr = fieldAcsr;
61         }
62     }
63
64     public boolean exec(MethodContext methodContext) {
65         Object JavaDoc fieldVal = null;
66
67         if (!mapAcsr.isEmpty()) {
68             Map fromMap = (Map) mapAcsr.get(methodContext);
69
70             if (fromMap == null) {
71                 Debug.logWarning("Map not found with name " + mapAcsr + ", not copying field", module);
72                 return true;
73             }
74
75             fieldVal = fieldAcsr.get(fromMap, methodContext);
76         } else {
77             // no map name, try the env
78 fieldVal = fieldAcsr.get(methodContext);
79         }
80
81         if (fieldVal == null) {
82             if (Debug.verboseOn()) Debug.logVerbose("Field value not found with name " + fieldAcsr + " in Map with name " + mapAcsr + ", not copying field", module);
83             return true;
84         }
85
86         envAcsr.put(methodContext, fieldVal);
87         return true;
88     }
89
90     public String JavaDoc rawString() {
91         return "<field-to-env env-name=\"" + this.envAcsr + "\" field-name=\"" + this.fieldAcsr + "\" map-name=\"" + this.mapAcsr + "\"/>";
92     }
93     public String JavaDoc expandedString(MethodContext methodContext) {
94         // TODO: something more than a stub/dummy
95 return this.rawString();
96     }
97 }
98
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