1 /*
2 * Copyright 2007-2008 The Kuali Foundation
3 *
4 * Licensed under the Educational Community License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.opensource.org/licenses/ecl2.php
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.kuali.rice.kns.workflow.attribute;
17
18 import org.w3c.dom.Element;
19
20 /**
21 * This is an XML KEW search attribute that can be used where the XML of the attribute has an xpath expression that returns a
22 * boolean. This attribute takes that boolean expression and translates it into true and false values based on the
23 * {@link #getValueForXPathTrueEvaluation()} and {@link #getValueForXPathFalseEvaluation()} method's return variables.
24 *
25 * NOTE: This will not longer be necessary if the version of xPath being used is every upgrade to 2.x or higher
26 */
27 public class KualiXMLBooleanTranslatorSearchableAttributeImpl extends KualiXmlSearchableAttributeImpl {
28 private static final long serialVersionUID = -4627314389844574461L;
29
30 public static final String VALUE_FOR_TRUE = "Yes";
31 public static final String VALUE_FOR_FALSE = "No";
32
33 /**
34 * This overriden method does the translation of the given xPath expression from the XML definition of the attribute and
35 * translates it into the true and false values based on the {@link #getValueForXPathTrueEvaluation()} and
36 * {@link #getValueForXPathFalseEvaluation()} method's return variables
37 *
38 * @see org.kuali.rice.kns.workflow.attribute.KualiXmlSearchableAttributeImpl#getConfigXML()
39 */
40 @Override
41 public Element getConfigXML() {
42 String[] xpathElementsToInsert = new String[3];
43 xpathElementsToInsert[0] = "concat( substring('" + getValueForXPathTrueEvaluation() + "', number(not(";
44 xpathElementsToInsert[1] = "))*string-length('" + getValueForXPathTrueEvaluation() + "')+1), substring('" + getValueForXPathFalseEvaluation() + "', number(";
45 xpathElementsToInsert[2] = ")*string-length('" + getValueForXPathFalseEvaluation() + "')+1))";
46 Element root = super.getAttributeConfigXML();
47 return new KualiXmlAttributeHelper().processConfigXML(root, xpathElementsToInsert);
48 }
49
50 public String getValueForXPathTrueEvaluation() {
51 return VALUE_FOR_TRUE;
52 }
53
54 public String getValueForXPathFalseEvaluation() {
55 return VALUE_FOR_FALSE;
56 }
57
58 }