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


1 /*
2  * $Id: FieldToList.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.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 an environment field to a list
35  *
36  * @author <a HREF="mailto:jonesde@ofbiz.org">David E. Jones</a>
37  * @version $Rev: 5462 $
38  * @since 2.0
39  */
40 public class FieldToList extends MethodOperation {
41     
42     public static final String JavaDoc module = FieldToList.class.getName();
43     
44     ContextAccessor mapAcsr;
45     ContextAccessor fieldAcsr;
46     ContextAccessor listAcsr;
47
48     public FieldToList(Element element, SimpleMethod simpleMethod) {
49         super(element, simpleMethod);
50         mapAcsr = new ContextAccessor(element.getAttribute("map-name"));
51         fieldAcsr = new ContextAccessor(element.getAttribute("field-name"));
52         listAcsr = new ContextAccessor(element.getAttribute("list-name"));
53     }
54
55     public boolean exec(MethodContext methodContext) {
56         Object JavaDoc fieldVal = null;
57
58         if (!mapAcsr.isEmpty()) {
59             Map fromMap = (Map) mapAcsr.get(methodContext);
60
61             if (fromMap == null) {
62                 Debug.logWarning("Map not found with name " + mapAcsr + ", Not copying to list", module);
63                 return true;
64             }
65
66             fieldVal = fieldAcsr.get(fromMap, methodContext);
67         } else {
68             // no map name, try the env
69 fieldVal = fieldAcsr.get(methodContext);
70         }
71
72         if (fieldVal == null) {
73             Debug.logWarning("Field value not found with name " + fieldAcsr + " in Map with name " + mapAcsr + ", Not copying to list", module);
74             return true;
75         }
76
77         List toList = (List) listAcsr.get(methodContext);
78
79         if (toList == null) {
80             if (Debug.verboseOn()) Debug.logVerbose("List not found with name " + listAcsr + ", creating new list", module);
81             toList = new LinkedList();
82             listAcsr.put(methodContext, toList);
83         }
84
85         toList.add(fieldVal);
86         return true;
87     }
88
89     public String JavaDoc rawString() {
90         return "<field-to-list list-name=\"" + this.listAcsr + "\" field-name=\"" + this.fieldAcsr + "\" map-name=\"" + this.mapAcsr + "\"/>";
91     }
92     public String JavaDoc expandedString(MethodContext methodContext) {
93         // TODO: something more than a stub/dummy
94 return this.rawString();
95     }
96 }
97
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