| package org.apache.commons.jcs3.auxiliary.disk.jdbc.mysql.util; |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| import java.text.ParseException; |
| import java.text.SimpleDateFormat; |
| import java.util.Calendar; |
| import java.util.Date; |
| import java.util.StringTokenizer; |
| |
| /** |
| * Parses the very simple schedule format. |
| * <p> |
| * @author Aaron Smuts |
| */ |
| public class ScheduleParser |
| { |
| /** |
| * For each date time that is separated by a comma in the |
| * OptimizationSchedule, create a date and add it to an array of dates. |
| * <p> |
| * @param schedule |
| * @return Date[] |
| * @throws ParseException |
| */ |
| public static Date[] createDatesForSchedule( String schedule ) |
| throws ParseException |
| { |
| if ( schedule == null ) |
| { |
| throw new ParseException( "Cannot create schedules for a null String.", 0 ); |
| } |
| |
| StringTokenizer toker = new StringTokenizer( schedule, "," ); |
| Date[] dates = new Date[toker.countTokens()]; |
| int cnt = 0; |
| while ( toker.hasMoreTokens() ) |
| { |
| String time = toker.nextToken(); |
| dates[cnt] = getDateForSchedule( time ); |
| cnt++; |
| } |
| return dates; |
| } |
| |
| /** |
| * For a single string it creates a date that is the next time this hh:mm:ss |
| * combo will be seen. |
| * <p> |
| * @param startTime |
| * @return Date |
| * @throws ParseException |
| */ |
| public static Date getDateForSchedule( String startTime ) |
| throws ParseException |
| { |
| if ( startTime == null ) |
| { |
| throw new ParseException( "Cannot create date for a null String.", 0 ); |
| } |
| |
| SimpleDateFormat sdf = new SimpleDateFormat("HH:mm:ss"); |
| Date date = sdf.parse(startTime); |
| Calendar cal = Calendar.getInstance(); |
| // This will result in a date of 1/1/1970 |
| cal.setTime(date); |
| |
| Calendar now = Calendar.getInstance(); |
| cal.set(now.get(Calendar.YEAR), now.get(Calendar.MONTH), now.get(Calendar.DAY_OF_MONTH)); |
| |
| // if the date is less than now, add a day. |
| if ( cal.before( now ) ) |
| { |
| cal.add( Calendar.DAY_OF_MONTH, 1 ); |
| } |
| |
| return cal.getTime(); |
| } |
| } |