/*
* JBoss, Home of Professional Open Source.
* Copyright 2009, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.ejb3.timerservice.schedule;
import org.jboss.as.ejb3.logging.EjbLogger;
import org.jboss.as.ejb3.timerservice.schedule.value.RangeValue;
import org.jboss.as.ejb3.timerservice.schedule.value.ScheduleExpressionType;
/**
* Utility for {@link javax.ejb.ScheduleExpression}
*
* @author Jaikiran Pai
* @version $Revision: $
*/
public class ScheduleExpressionTypeUtil {
/**
* Returns the corresponding {@link org.jboss.as.ejb3.timerservice.schedule.value.ScheduleExpressionType} for the passed value
*
* @param value The value to be parsed
* @return
*/
public static ScheduleExpressionType getType(String value) {
if (value == null) {
throw EjbLogger.EJB3_TIMER_LOGGER.valueIsNull();
}
// Order of check is important.
// TODO: Explain why this order is important
if (value.trim().equals("*")) {
return ScheduleExpressionType.WILDCARD;
}
if (value.contains(",")) {
return ScheduleExpressionType.LIST;
}
if (value.contains("-") && RangeValue.accepts(value)) {
return ScheduleExpressionType.RANGE;
}
if (value.contains("/")) {
return ScheduleExpressionType.INCREMENT;
}
return ScheduleExpressionType.SINGLE_VALUE;
}
}