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Java > Open Source Codes > org > ofbiz > minilang > operation > Copy


1 /*
2  * $Id: Copy.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.operation;
25
26 import java.util.*;
27 import org.w3c.dom.*;
28
29 /**
30  * Copies a field in the in-map to the out-map
31  *
32  * @author <a HREF="mailto:jonesde@ofbiz.org">David E. Jones</a>
33  * @version $Rev: 5462 $
34  * @since 2.0
35  */

36 public class Copy extends SimpleMapOperation {
37     
38     boolean replace = true;
39     boolean setIfNull = true;
40     String JavaDoc toField;
41
42     public Copy(Element element, SimpleMapProcess simpleMapProcess) {
43         super(element, simpleMapProcess);
44         toField = element.getAttribute("to-field");
45         if (this.toField == null || this.toField.length() == 0) {
46             this.toField = this.fieldName;
47         }
48
49         // if anything but false it will be true
50
replace = !"false".equals(element.getAttribute("replace"));
51         // if anything but false it will be true
52
setIfNull = !"false".equals(element.getAttribute("set-if-null"));
53     }
54
55     public void exec(Map inMap, Map results, List messages, Locale locale, ClassLoader JavaDoc loader) {
56         Object JavaDoc fieldValue = inMap.get(fieldName);
57
58         if (fieldValue == null && !setIfNull)
59             return;
60
61         if (fieldValue instanceof java.lang.String JavaDoc) {
62             if (((String JavaDoc) fieldValue).length() == 0) {
63                 if (setIfNull && (replace || !results.containsKey(toField))) {
64                     results.put(toField, null);
65                 }
66                 return;
67             }
68         }
69
70         if (replace) {
71             results.put(toField, fieldValue);
72             // if (Debug.infoOn()) Debug.logInfo("[SimpleMapProcessor.Copy.exec] Copied \"" + fieldValue + "\" to field \"" + toField + "\"", module);
73
} else {
74             if (results.containsKey(toField)) {// do nothing
75
} else {
76                 results.put(toField, fieldValue);
77                 // if (Debug.infoOn()) Debug.logInfo("[SimpleMapProcessor.Copy.exec] Copied \"" + fieldValue + "\" to field \"" + toField + "\"", module);
78
}
79         }
80     }
81 }
82
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