Caldavsync Sources: src/net/fortuna/ical4j/model/WeekDay.java@fb9019fb1bf7 (annotated)

src/net/fortuna/ical4j/model/WeekDay.java@fb9019fb1bf7 (annotated)

src/net/fortuna/ical4j/model/WeekDay.java

Tue, 10 Feb 2015 18:12:00 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Tue, 10 Feb 2015 18:12:00 +0100
changeset 0: fb9019fb1bf7
child 4: 45d57ecba757
permissions: -rw-r--r--

Import initial revisions of existing project AndroidCaldavSyncAdapater,
forked from upstream repository at 27e8a0f8495c92e0780d450bdf0c7cec77a03a55.

 /**
  * Copyright (c) 2012, Ben Fortuna
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  *  o Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *
  *  o Redistributions in binary form must reproduce the above copyright
  * notice, this list of conditions and the following disclaimer in the
  * documentation and/or other materials provided with the distribution.
  *
  *  o Neither the name of Ben Fortuna nor the names of any other contributors
  * may be used to endorse or promote products derived from this software
  * without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 package net.fortuna.ical4j.model;
 import java.io.Serializable;
 import java.util.Calendar;
 import net.fortuna.ical4j.util.Numbers;
 import org.apache.commons.lang.ObjectUtils;
 import org.apache.commons.lang.builder.HashCodeBuilder;
 /**
  * $Id$
  *
  * Created: 19/12/2004
  *
  * Defines a day of the week with a possible offset related to
  * a MONTHLY or YEARLY occurrence.
  *
  * @author Ben Fortuna
  */
 public class WeekDay implements Serializable {
     private static final long serialVersionUID = -4412000990022011469L;
     /**
      * Sunday.
      */
     public static final WeekDay SU = new WeekDay("SU", 0);
     /**
      * Monday.
      */
     public static final WeekDay MO = new WeekDay("MO", 0);
     /**
      * Tuesday.
      */
     public static final WeekDay TU = new WeekDay("TU", 0);
     /**
      * Wednesday.
      */
     public static final WeekDay WE = new WeekDay("WE", 0);
     /**
      * Thursday.
      */
     public static final WeekDay TH = new WeekDay("TH", 0);
     /**
      * Friday.
      */
     public static final WeekDay FR = new WeekDay("FR", 0);
     /**
      * Saturday.
      */
     public static final WeekDay SA = new WeekDay("SA", 0);
     private String day;
     private int offset;
     /**
      * @param value a string representation of a week day
      */
     public WeekDay(final String value) {
         if (value.length() > 2) {
             offset = Numbers.parseInt(value.substring(0, value.length() - 2));
         }
         else {
             offset = 0;
         }
         day = value.substring(value.length() - 2);
         validateDay();
     }
     /**
      * @param day a string representation of a week day
      * @param offset a month offset value
      */
     private WeekDay(final String day, final int offset) {
         this.day = day;
         this.offset = offset;
     }
     /**
      * Constructs a new weekday instance based on the specified
      * instance and offset.
      * @param weekDay a week day template for the instance
      * @param offset a month offset value
      */
     public WeekDay(final WeekDay weekDay, final int offset) {
         this.day = weekDay.getDay();
         this.offset = offset;
     }
     private void validateDay() {
         if (!SU.day.equals(day)
             && !MO.day.equals(day)
             && !TU.day.equals(day)
             && !WE.day.equals(day)
             && !TH.day.equals(day)
             && !FR.day.equals(day)
             && !SA.day.equals(day)) {
             throw new IllegalArgumentException("Invalid day: " + day);
         }
     }
     /**
      * @return Returns the day.
      */
     public final String getDay() {
         return day;
     }
     /**
      * @return Returns the offset.
      */
     public final int getOffset() {
         return offset;
     }
     /**
      * {@inheritDoc}
      */
     public final String toString() {
         final StringBuffer b = new StringBuffer();
         if (getOffset() != 0) {
             b.append(getOffset());
         }
         b.append(getDay());
         return b.toString();
     }
     /**
      * Returns a weekday representation of the specified calendar.
      * @param cal a calendar (java.util)
      * @return a weekday instance representing the specified calendar
      */
     public static final WeekDay getWeekDay(final Calendar cal) {
         return new WeekDay(getDay(cal.get(Calendar.DAY_OF_WEEK)), 0);
     }
     /**
      * Returns a weekday/offset representation of the specified calendar.
      * @param cal a calendar (java.util)
      * @return a weekday instance representing the specified calendar
      */
     public static final WeekDay getMonthlyOffset(final Calendar cal) {
         return new WeekDay(getDay(cal.get(Calendar.DAY_OF_WEEK)), cal.get(Calendar.DAY_OF_WEEK_IN_MONTH));
     }
     /**
      * Returns a weekday/negative offset representation of the specified calendar.
      * @param cal a calendar (java.util)
      * @return a weekday instance representing the specified calendar
      */
     public static final WeekDay getNegativeMonthlyOffset(final Calendar cal) {
         return new WeekDay(getDay(cal.get(Calendar.DAY_OF_WEEK)), cal.get(Calendar.DAY_OF_WEEK_IN_MONTH) - 6);
     }
     /**
      * Returns the corresponding day constant to the specified
      * java.util.Calendar.DAY_OF_WEEK property.
      * @param calDay a property value of java.util.Calendar.DAY_OF_WEEK
      * @return a string, or null if an invalid DAY_OF_WEEK property is
      * specified
      */
     public static WeekDay getDay(final int calDay) {
         WeekDay day = null;
         switch (calDay) {
             case Calendar.SUNDAY:
                 day = SU;
                 break;
             case Calendar.MONDAY:
                 day = MO;
                 break;
             case Calendar.TUESDAY:
                 day = TU;
                 break;
             case Calendar.WEDNESDAY:
                 day = WE;
                 break;
             case Calendar.THURSDAY:
                 day = TH;
                 break;
             case Calendar.FRIDAY:
                 day = FR;
                 break;
             case Calendar.SATURDAY:
                 day = SA;
                 break;
             default:
                 break;
         }
         return day;
     }
     /**
      * Returns the corresponding <code>java.util.Calendar.DAY_OF_WEEK</code>
      * constant for the specified <code>WeekDay</code>.
      * @param weekday a week day instance
      * @return the corresponding <code>java.util.Calendar</code> day
      */
     public static int getCalendarDay(final WeekDay weekday) {
         int calendarDay = -1;
         if (SU.getDay().equals(weekday.getDay())) {
             calendarDay = Calendar.SUNDAY;
         }
         else if (MO.getDay().equals(weekday.getDay())) {
             calendarDay = Calendar.MONDAY;
         }
         else if (TU.getDay().equals(weekday.getDay())) {
             calendarDay = Calendar.TUESDAY;
         }
         else if (WE.getDay().equals(weekday.getDay())) {
             calendarDay = Calendar.WEDNESDAY;
         }
         else if (TH.getDay().equals(weekday.getDay())) {
             calendarDay = Calendar.THURSDAY;
         }
         else if (FR.getDay().equals(weekday.getDay())) {
             calendarDay = Calendar.FRIDAY;
         }
         else if (SA.getDay().equals(weekday.getDay())) {
             calendarDay = Calendar.SATURDAY;
         }
         return calendarDay;
     }
     /**
      * {@inheritDoc}
      */
     public final boolean equals(final Object arg0) {
         if (arg0 == null) {
             return false;
         }
         if (!(arg0 instanceof WeekDay)) {
             return false;
         }
         final WeekDay wd = (WeekDay) arg0;
         return ObjectUtils.equals(wd.getDay(), getDay())
             && wd.getOffset() == getOffset();
     }
     /**
      * {@inheritDoc}
      */
     public final int hashCode() {
         return new HashCodeBuilder().append(getDay())
             .append(getOffset()).toHashCode();
     }
 }

Caldavsync Sources / annotate

src/net/fortuna/ical4j/model/WeekDay.java@fb9019fb1bf7 (annotated)

src/net/fortuna/ical4j/model/WeekDay.java