/**
* OLAT - Online Learning and Training<br>
* http://www.olat.org
* <p>
* Licensed under the Apache License, Version 2.0 (the "License"); <br>
* you may not use this file except in compliance with the License.<br>
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing,<br>
* software distributed under the License is distributed on an "AS IS" BASIS, <br>
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
* See the License for the specific language governing permissions and <br>
* limitations under the License.
* <p>
* Copyright (c) since 2004 at Multimedia- & E-Learning Services (MELS),<br>
* University of Zurich, Switzerland.
* <hr>
* <a href="http://www.openolat.org">
* OpenOLAT - Online Learning and Training</a><br>
* This file has been modified by the OpenOLAT community. Changes are licensed
* under the Apache 2.0 license as the original file.
*/
package org.olat.ims.qti.process.elements;
import org.dom4j.Element;
import org.olat.ims.qti.container.ItemContext;
import org.olat.ims.qti.container.ItemInput;
/**
*
*/
public class QTI_varequal implements BooleanEvaluable {
/**
* var equals
* qti ims 1.2.1
* <!ELEMENT varequal (#PCDATA)>
* <!ATTLIST varequal %I_Case; %I_RespIdent; %I_Index; >
* mit I_Case = case (Yes | No ) 'No'
* e.g. <varequal respident = "LID01">A</varequal>
*/
public boolean eval(Element boolElement, ItemContext userContext, EvalContext ect) {
ItemInput iinp = userContext.getItemInput();
if (iinp.isEmpty()) return false; // user has given no answer
String respident = boolElement.attributeValue("respident");
String yescase = boolElement.attributeValue("case");
boolean caseimp = (yescase == null) ? true : yescase.equals("Yes"); // make it compatible with faulty QTI documentation
String shouldVal = boolElement.getText(); // the answer is tested against content of elem.
boolean ok = (caseimp ? iinp.contains(respident,shouldVal) : iinp.containsIgnoreCase(respident,shouldVal));
return ok;
}
}