01: /*
02: * HA-JDBC: High-Availability JDBC
03: * Copyright (c) 2004-2007 Paul Ferraro
04: *
05: * This library is free software; you can redistribute it and/or modify it
06: * under the terms of the GNU Lesser General Public License as published by the
07: * Free Software Foundation; either version 2.1 of the License, or (at your
08: * option) any later version.
09: *
10: * This library is distributed in the hope that it will be useful, but WITHOUT
11: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
13: * for more details.
14: *
15: * You should have received a copy of the GNU Lesser General Public License
16: * along with this library; if not, write to the Free Software Foundation,
17: * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18: *
19: * Contact: ferraro@users.sourceforge.net
20: */
21: package net.sf.hajdbc.util;
22:
23: import java.text.ParseException;
24: import java.util.Date;
25:
26: import org.quartz.CronExpression;
27:
28: /**
29: * @author Paul Ferraro
30: *
31: */
32: public final class Formatter {
33: public static String serializeCronExpression(
34: CronExpression expression) {
35: return (expression != null) ? expression.getCronExpression()
36: : null;
37: }
38:
39: public static CronExpression deserializeCronExpression(
40: String schedule) throws ParseException {
41: if (schedule == null) {
42: return null;
43: }
44:
45: CronExpression expression = new CronExpression(schedule);
46:
47: // Quartz inappropriately throws an UnsupportedOperationException if both day-of-week
48: // and day-of-month are specified - so we preemptively test the expression here.
49: try {
50: expression.getNextValidTimeAfter(new Date());
51:
52: return expression;
53: } catch (UnsupportedOperationException e) {
54: throw new ParseException(e.getMessage(), schedule.length());
55: }
56: }
57:
58: public static String serializeClass(Class<?> targetClass) {
59: return (targetClass != null) ? targetClass.getName() : null;
60: }
61:
62: public static Class<?> deserializeClass(String className)
63: throws ClassNotFoundException {
64: return (className != null) ? Class.forName(className) : null;
65: }
66: }
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