Source Code Cross Referenced for DayPart.java in  » Workflow-Engines » jbpm-jpdl-3.2.2 » org » jbpm » calendar » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Workflow Engines » jbpm jpdl 3.2.2 » org.jbpm.calendar 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * JBoss, Home of Professional Open Source
003:         * Copyright 2005, JBoss Inc., and individual contributors as indicated
004:         * by the @authors tag. See the copyright.txt in the distribution for a
005:         * full listing of individual contributors.
006:         *
007:         * This is free software; you can redistribute it and/or modify it
008:         * under the terms of the GNU Lesser General Public License as
009:         * published by the Free Software Foundation; either version 2.1 of
010:         * the License, or (at your option) any later version.
011:         *
012:         * This software is distributed in the hope that it will be useful,
013:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
014:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015:         * Lesser General Public License for more details.
016:         *
017:         * You should have received a copy of the GNU Lesser General Public
018:         * License along with this software; if not, write to the Free
019:         * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
020:         * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
021:         */
022:        package org.jbpm.calendar;
023:
024:        import java.io.Serializable;
025:        import java.text.*;
026:        import java.text.DateFormat;
027:        import java.util.*;
028:
029:        /**
030:         * is part of a day that can for example be used to represent business hours. 
031:         *
032:         */
033:        public class DayPart implements  Serializable {
034:
035:            private static final long serialVersionUID = 1L;
036:
037:            int fromHour = -1;
038:            int fromMinute = -1;
039:            int toHour = -1;
040:            int toMinute = -1;
041:            Day day = null;
042:            int index = -1;
043:
044:            public DayPart(String dayPartText, DateFormat dateFormat, Day day,
045:                    int index) {
046:                this .day = day;
047:                this .index = index;
048:
049:                int separatorIndex = dayPartText.indexOf('-');
050:                if (separatorIndex == -1)
051:                    throw new IllegalArgumentException(
052:                            "improper format of daypart '" + dayPartText + "'");
053:                String fromText = dayPartText.substring(0, separatorIndex)
054:                        .trim().toLowerCase();
055:                String toText = dayPartText.substring(separatorIndex + 1)
056:                        .trim().toLowerCase();
057:
058:                try {
059:                    Date from = dateFormat.parse(fromText);
060:                    Date to = dateFormat.parse(toText);
061:
062:                    Calendar calendar = BusinessCalendar.getCalendar();
063:                    calendar.setTime(from);
064:                    fromHour = calendar.get(Calendar.HOUR_OF_DAY);
065:                    fromMinute = calendar.get(Calendar.MINUTE);
066:
067:                    calendar.setTime(to);
068:                    toHour = calendar.get(Calendar.HOUR_OF_DAY);
069:                    if (toHour == 0) {
070:                        toHour = 24;
071:                    }
072:                    toMinute = calendar.get(Calendar.MINUTE);
073:
074:                } catch (ParseException e) {
075:                    e.printStackTrace();
076:                }
077:            }
078:
079:            public Date add(Date date, Duration duration) {
080:                Date end = null;
081:
082:                Calendar calendar = BusinessCalendar.getCalendar();
083:                calendar.setTime(date);
084:                int hour = calendar.get(Calendar.HOUR_OF_DAY);
085:                int minute = calendar.get(Calendar.MINUTE);
086:
087:                long dateMilliseconds = ((hour * 60) + minute) * 60 * 1000;
088:                long dayPartEndMilleseconds = ((toHour * 60) + toMinute) * 60 * 1000;
089:                long millisecondsInThisDayPart = dayPartEndMilleseconds
090:                        - dateMilliseconds;
091:
092:                if (duration.milliseconds <= millisecondsInThisDayPart) {
093:                    end = new Date(date.getTime() + duration.milliseconds);
094:                } else {
095:                    long remainderMillis = duration.milliseconds
096:                            - millisecondsInThisDayPart;
097:                    Duration remainder = new Duration(remainderMillis);
098:                    Date dayPartEndDate = new Date(date.getTime()
099:                            + duration.milliseconds - remainderMillis);
100:
101:                    Object[] result = new Object[2];
102:                    day.findNextDayPartStart(index + 1, dayPartEndDate, result);
103:                    Date nextDayPartStart = (Date) result[0];
104:                    DayPart nextDayPart = (DayPart) result[1];
105:
106:                    end = nextDayPart.add(nextDayPartStart, remainder);
107:                }
108:
109:                return end;
110:            }
111:
112:            public boolean isStartAfter(Date date) {
113:                Calendar calendar = BusinessCalendar.getCalendar();
114:                calendar.setTime(date);
115:                int hour = calendar.get(Calendar.HOUR_OF_DAY);
116:                int minute = calendar.get(Calendar.MINUTE);
117:
118:                return ((hour < fromHour) || ((hour == fromHour) && (minute <= fromMinute)));
119:            }
120:
121:            public boolean includes(Date date) {
122:                Calendar calendar = BusinessCalendar.getCalendar();
123:                calendar.setTime(date);
124:                int hour = calendar.get(Calendar.HOUR_OF_DAY);
125:                int minute = calendar.get(Calendar.MINUTE);
126:
127:                return (((fromHour < hour) || ((fromHour == hour) && (fromMinute <= minute))) && ((hour < toHour) || ((hour == toHour) && (minute <= toMinute))));
128:            }
129:
130:            public Date getStartTime(Date date) {
131:                Calendar calendar = BusinessCalendar.getCalendar();
132:                calendar.setTime(date);
133:                calendar.set(Calendar.HOUR_OF_DAY, fromHour);
134:                calendar.set(Calendar.MINUTE, fromMinute);
135:                return calendar.getTime();
136:            }
137:        }
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