001/* 002 * HA-JDBC: High-Availability JDBC 003 * Copyright (c) 2004-2007 Paul Ferraro 004 * 005 * This library is free software; you can redistribute it and/or modify it 006 * under the terms of the GNU Lesser General Public License as published by the 007 * Free Software Foundation; either version 2.1 of the License, or (at your 008 * option) any later version. 009 * 010 * This library is distributed in the hope that it will be useful, but WITHOUT 011 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 012 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License 013 * for more details. 014 * 015 * You should have received a copy of the GNU Lesser General Public License 016 * along with this library; if not, write to the Free Software Foundation, 017 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 018 * 019 * Contact: ferraro@users.sourceforge.net 020 */ 021package net.sf.hajdbc.util; 022 023import java.text.ParseException; 024import java.util.Date; 025 026import org.quartz.CronExpression; 027 028/** 029 * @author Paul Ferraro 030 * 031 */ 032public final class Formatter 033{ 034 public static String serializeCronExpression(CronExpression expression) 035 { 036 return (expression != null) ? expression.getCronExpression() : null; 037 } 038 039 public static CronExpression deserializeCronExpression(String schedule) throws ParseException 040 { 041 if (schedule == null) 042 { 043 return null; 044 } 045 046 CronExpression expression = new CronExpression(schedule); 047 048 // Quartz inappropriately throws an UnsupportedOperationException if both day-of-week 049 // and day-of-month are specified - so we preemptively test the expression here. 050 try 051 { 052 expression.getNextValidTimeAfter(new Date()); 053 054 return expression; 055 } 056 catch (UnsupportedOperationException e) 057 { 058 throw new ParseException(e.getMessage(), schedule.length()); 059 } 060 } 061 062 public static String serializeClass(Class<?> targetClass) 063 { 064 return (targetClass != null) ? targetClass.getName() : null; 065 } 066 067 public static Class<?> deserializeClass(String className) throws ClassNotFoundException 068 { 069 return (className != null) ? Class.forName(className) : null; 070 } 071}