/*
* Copyright 2010 Red Hat, Inc. and/or its affiliates.
*
* 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.core.base.evaluators;
import org.drools.core.time.TimeUtils;
/**
* A parameters parser that uses JodaTime for time units parsing.
*/
public class TimeIntervalParser {
private TimeIntervalParser() { }
public static 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];
for ( int i = 0; i < params.length; i++ ) {
result[i] = parseSingle( params[i] );
}
return result;
}
public static long parseSingle(String param) {
param = param.trim();
if ( param.length() > 0 ) {
return TimeUtils.parseTimeString( param );
}
throw new RuntimeException( "Empty parameters not allowed in: [" + param + "]" );
}
}