01: /*
02: * $Id: FieldToEnv.java,v 1.2 2003/09/14 05:40:41 jonesde Exp $
03: *
04: * Copyright (c) 2001, 2002 The Open For Business Project - www.ofbiz.org
05: *
06: * Permission is hereby granted, free of charge, to any person obtaining a
07: * copy of this software and associated documentation files (the "Software"),
08: * to deal in the Software without restriction, including without limitation
09: * 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 $Revision: 1.2 $
38: * @since 2.0
39: */
40: public class FieldToEnv extends MethodOperation {
41:
42: public static final String 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
53: .getAttribute("field-name"));
54:
55: // 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
56: if (fieldAcsr.isEmpty()) {
57: fieldAcsr = envAcsr;
58: }
59: // this is the new way that makes more sense, ie the destination should default to the source
60: if (envAcsr.isEmpty()) {
61: envAcsr = fieldAcsr;
62: }
63: }
64:
65: public boolean exec(MethodContext methodContext) {
66: Object fieldVal = null;
67:
68: if (!mapAcsr.isEmpty()) {
69: Map fromMap = (Map) mapAcsr.get(methodContext);
70:
71: if (fromMap == null) {
72: Debug.logWarning("Map not found with name " + mapAcsr
73: + ", not copying field", module);
74: return true;
75: }
76:
77: fieldVal = fieldAcsr.get(fromMap, methodContext);
78: } else {
79: // no map name, try the env
80: fieldVal = fieldAcsr.get(methodContext);
81: }
82:
83: if (fieldVal == null) {
84: if (Debug.verboseOn())
85: Debug.logVerbose("Field value not found with name "
86: + fieldAcsr + " in Map with name " + mapAcsr
87: + ", not copying field", module);
88: return true;
89: }
90:
91: envAcsr.put(methodContext, fieldVal);
92: return true;
93: }
94: }
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