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PlantUML is a component that allows to quickly write :
* sequence diagram,
* use case diagram,
* class diagram,
* activity diagram,
* component diagram,
* state diagram
* object diagram
/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2013, Arnaud Roques
*
* Project Info: http://plantuml.sourceforge.net
*
* This file is part of PlantUML.
*
* PlantUML is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PlantUML distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
* License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* Original Author: Arnaud Roques
*
* Revision $Revision: 6104 $
*
*/
package net.sourceforge.plantuml.project2;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.SimpleTimeZone;
import net.sourceforge.plantuml.project.Month;
import net.sourceforge.plantuml.project.WeekDay;
public class Day implements TimeElement {
private final int numDay;
private final Month month;
private final int year;
private final WeekDay weekDay;
private Day(int year, Month month, int numDay, WeekDay weekDay) {
this.year = year;
this.month = month;
this.numDay = numDay;
this.weekDay = weekDay;
}
public static boolean isValidDesc(String desc) {
if (desc.matches("^\\d{4}/\\d{2}/\\d{2}$")) {
return true;
}
if (desc.matches("^\\d{2}-[A-Za-z]{3}-\\d{4}$")) {
return true;
}
return false;
}
public Day(String desc) {
if (desc.matches("^\\d{4}/\\d{2}/\\d{2}$")) {
this.year = Integer.parseInt(desc.substring(0, 4));
this.month = Month.fromNum(Integer.parseInt(desc.substring(5, 7)));
this.numDay = Integer.parseInt(desc.substring(8, 10));
} else if (desc.matches("^\\d{2}-[A-Za-z]{3}-\\d{4}$")) {
this.year = Integer.parseInt(desc.substring(7, 11));
this.month = Month.valueOf(desc.substring(3, 6));
this.numDay = Integer.parseInt(desc.substring(0, 2));
} else {
throw new IllegalArgumentException(desc);
}
final int wd = new GregorianCalendar(year, month.getNum() - 1, numDay).get(Calendar.DAY_OF_WEEK);
this.weekDay = WeekDay.values()[wd - 1];
}
public Day next() {
if (numDay < month.getNbDays(year)) {
return new Day(year, month, numDay + 1, weekDay.next());
}
final Month next = month.next();
if (next == null) {
return new Day(year + 1, Month.JAN, 1, weekDay.next());
}
return new Day(year, next, 1, weekDay.next());
}
public Day previous() {
if (numDay > 1) {
return new Day(year, month, numDay - 1, weekDay.prev());
}
final Month prev = month.prev();
if (prev == null) {
return new Day(year - 1, Month.DEC, 31, weekDay.prev());
}
return new Day(year, prev, prev.getNbDays(year), weekDay.prev());
}
@Override
public String toString() {
return "" + weekDay + " " + year + "-" + month + "-" + String.format("%02d", numDay);
}
public final int getNumDay() {
return numDay;
}
public final Month getMonth() {
return month;
}
public final int getYear() {
return year;
}
public int compareTo(TimeElement other2) {
final Day other = (Day) other2;
if (year > other.year) {
return 1;
}
if (year < other.year) {
return -1;
}
final int cmpMonth = month.compareTo(other.month);
if (cmpMonth != 0) {
return cmpMonth;
}
return numDay - other.numDay;
}
@Override
public boolean equals(Object obj) {
final Day this2 = (Day) obj;
return this.numDay == this2.numDay && this.month == this2.month && this.year == this2.year;
}
@Override
public int hashCode() {
return numDay * 420 + year + month.hashCode();
}
public final WeekDay getWeekDay() {
return weekDay;
}
public long getTypicalDuration() {
return 1000L * 60 * 60 * 24;
}
public long getStartUTC() {
final GregorianCalendar cal = new GregorianCalendar(new SimpleTimeZone(0, "GMT"));
cal.setTimeInMillis(0);
cal.set(GregorianCalendar.YEAR, year);
cal.set(GregorianCalendar.MONTH, month.getNumNormal());
cal.set(GregorianCalendar.DAY_OF_MONTH, numDay);
return cal.getTimeInMillis();
}
public long getEndUTC() {
return next().getStartUTC();
}
}