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/**
 * Copyright (c) 2009, MTV Networks. All rights reserved.
 *
 * This program is licensed to you under the Apache License Version 2.0,
 * and you may not use this file except in compliance with the Apache License Version 2.0.
 * You may obtain a copy of the Apache License Version 2.0 at http://www.apache.org/licenses/LICENSE-2.0.
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the Apache License Version 2.0 is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Apache License Version 2.0 for the specific language governing permissions and limitations there under.
 */
package com.mtvnet.boxspring.scheduling.quartz;

import org.quartz.Trigger;

import java.beans.PropertyEditorSupport;


/**
 * Java Bean property editor for converting text to instances of type
 * org.quartz.Trigger.
 * If the text begins with the word "cron", the remaining text must conform to the syntax
 * specified in the class org.quartz.CronExpression.  Otherwise, the text
 * must conform to the syntax specified in the ATG 2006.3 Programming Guide
 * (http://www.atg.com/repositories/ContentCatalogRepository_en/manuals/ATG2006.3/dynprog/index.html)
 * Chapter 5, section Scheduler Service.  Currently we support RelativeSchedule and
 * PeriodicSchedule, but not CalendarSchedule, though the "with catch up" clause is ignored
 * in PeriodicSchedule because there does not seem to be an analog to it in Quartz.
 *
 * @see org.quartz.Trigger
 * @see org.quartz.CronExpression
 * @see atg.service.scheduler.RelativeSchedule
 * @see atg.service.scheduler.PeriodicSchedule
  */
public class TriggerPropertyEditor extends PropertyEditorSupport {

    /**
     * Converts text to either a CronTriggerBean or SimpleTriggerBean.
     *
     * @param text The text to convert
     */
    public void setAsText(String text) {
        Trigger trigger = null;
        try {
            trigger = PropertyValueParser.getTrigger(text);
        } catch (Exception e) {
            throw new java.lang.IllegalArgumentException("Unable to parse trigger text: " + text,
                    e);
        }
        if (trigger == null) {
            throw new java.lang.IllegalArgumentException(
                    "Unable to parse trigger text: " + text);
        }
        setValue(trigger);
    }

}