/**
* Copyright 2010 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.drools.base.evaluators;
import org.drools.RuntimeDroolsException;
import org.drools.time.TimeUtils;
/**
* A parameters parser that uses JodaTime for time units parsing.
*
* @author etirelli
*/
public class TimeIntervalParser
implements
EvaluatorParametersParser {
/**
* @inheritDoc
*
* @see org.drools.base.evaluators.EvaluatorParametersParser#parse(java.lang.String)
*/
public Long[] parse(String paramText) {
if ( paramText == null || paramText.trim().length() == 0 ) {
return new Long[0];
}
String[] params = paramText.split( "," );
Long[] result = new Long[params.length];
int index = 0;
for ( String param : params ) {
String trimmed = param.trim();
if ( trimmed.length() > 0 ) {
result[index++] = TimeUtils.parseTimeString( param );
} else {
throw new RuntimeDroolsException( "Empty parameters not allowed in: [" + paramText + "]" );
}
}
return result;
}
}