/**
* 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.
* <p>
*/
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_vargt implements BooleanEvaluable {
/**
* var greater than or equal qti ims 1.2.1 <!ELEMENT vargte (#PCDATA)>
* <!ATTLIST vargte %I_RespIdent; %I_Index; > e.g. <vargte respident =
* "NUM01">3.141 </vargte>
* @param boolElement
* @param userContext
* @param ect
* @return
*/
public boolean eval(Element boolElement, ItemContext userContext, EvalContext ect) {
boolean ok = false;
ItemInput iinp = userContext.getItemInput();
if (iinp.isEmpty()) return false; // user has given no answer
String respident = boolElement.attributeValue("respident");
String shouldVal = boolElement.getText(); // the answer is tested against
// content of elem.
String isVal = iinp.getSingle(respident);
// the isVal and shouldVal must be numeric
// we use Float so we are on the safe side, even if comparison was only
// Integer
shouldVal = shouldVal.trim();
isVal = isVal.trim();
try {
Float fs = new Float(shouldVal);
Float fi = new Float(isVal);
ok = (fi.floatValue() > fs.floatValue());
} catch (NumberFormatException nfe) {
//
}
return ok;
}
}