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


1 /*
2  * $Id: PropertyOper.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
28 import org.w3c.dom.*;
29 import org.ofbiz.base.util.*;
30
31 /**
32  * A MakeInStringOperation that insert the value of a property from a properties file
33  *
34  * @author <a HREF="mailto:jonesde@ofbiz.org">David E. Jones</a>
35  * @version $Rev: 5462 $
36  * @since 2.0
37  */
38 public class PropertyOper extends MakeInStringOperation {
39     
40     public static final String JavaDoc module = PropertyOper.class.getName();
41     
42     String JavaDoc resource;
43     String JavaDoc property;
44
45     public PropertyOper(Element element) {
46         super(element);
47         resource = element.getAttribute("resource");
48         property = element.getAttribute("property");
49     }
50
51     public String JavaDoc exec(Map inMap, List messages, Locale locale, ClassLoader JavaDoc loader) {
52         String JavaDoc propStr = UtilProperties.getPropertyValue(UtilURL.fromResource(resource, loader), property);
53
54         if (propStr == null || propStr.length() == 0) {
55             Debug.logWarning("[SimpleMapProcessor.PropertyOper.exec] Property " + property + " in resource " + resource + " not found, not appending anything", module);
56             return null;
57         } else {
58             return propStr;
59         }
60     }
61 }
62
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