/**
 * This class gets copy-and-pasted between the eu.future.earth.gwt.emul.java.util (used for
 * development and testing) and com.google.gwt.emul.java.util packages (used for gwt
 * compilation).  Change the comments on the package declaration appropriately.
 */
package eu.future.earth.gwt.emul.java.util;
//package java.util;

import java.util.Date;

public abstract class Calendar implements Cloneable {
	
	protected Calendar(){
		super();
	}
	
  /**
   * Field number for <code>get</code> and <code>set</code> indicating the
   * year. This is a calendar-specific value; see subclass documentation.
   */
  public final static int YEAR = 1;

  /**
   * Field number for <code>get</code> and <code>set</code> indicating the
   * month. This is a calendar-specific value. The first month of
   * the year in the Gregorian and Julian calendars is
   * <code>JANUARY</code> which is 0; the last depends on the number
   * of months in a year.
   *
   * @see #JANUARY
   * @see #FEBRUARY
   * @see #MARCH
   * @see #APRIL
   * @see #MAY
   * @see #JUNE
   * @see #JULY
   * @see #AUGUST
   * @see #SEPTEMBER
   * @see #OCTOBER
   * @see #NOVEMBER
   * @see #DECEMBER
   * @see #UNDECIMBER
   */
  public final static int MONTH = 2;

  /**
   * Field number for <code>get</code> and <code>set</code> indicating the
   * week number within the current year.  The first week of the year, as
   * defined by <code>getFirstDayOfWeek()</code> and
   * <code>getMinimalDaysInFirstWeek()</code>, has value 1.  Subclasses define
   * the value of <code>WEEK_OF_YEAR</code> for days before the first week of
   * the year.
   *
   * @see #getFirstDayOfWeek
   * @see #getMinimalDaysInFirstWeek
   */
  public final static int WEEK_OF_YEAR = 3;

  /**
   * Field number for <code>get</code> and <code>set</code> indicating the
   * week number within the current month.  The first week of the month, as
   * defined by <code>getFirstDayOfWeek()</code> and
   * <code>getMinimalDaysInFirstWeek()</code>, has value 1.  Subclasses define
   * the value of <code>WEEK_OF_MONTH</code> for days before the first week of
   * the month.
   *
   * @see #getFirstDayOfWeek
   * @see #getMinimalDaysInFirstWeek
   */
  public final static int WEEK_OF_MONTH = 4;

  /**
   * Field number for <code>get</code> and <code>set</code> indicating the
   * day of the month. This is a synonym for <code>DAY_OF_MONTH</code>.
   * The first day of the month has value 1.
   *
   * @see #DAY_OF_MONTH
   */
  public final static int DATE = 5;

  /**
   * Field number for <code>get</code> and <code>set</code> indicating the
   * day of the month. This is a synonym for <code>DATE</code>.
   * The first day of the month has value 1.
   *
   * @see #DATE
   */
  public final static int DAY_OF_MONTH = 5;

  /**
   * Field number for <code>get</code> and <code>set</code> indicating the day
   * number within the current year.  The first day of the year has value 1.
   */
  public final static int DAY_OF_YEAR = 6;

  /**
   * Field number for <code>get</code> and <code>set</code> indicating the day
   * of the week.  This field takes values <code>SUNDAY</code>,
   * <code>MONDAY</code>, <code>TUESDAY</code>, <code>WEDNESDAY</code>,
   * <code>THURSDAY</code>, <code>FRIDAY</code>, and <code>SATURDAY</code>.
   *
   * @see #SUNDAY
   * @see #MONDAY
   * @see #TUESDAY
   * @see #WEDNESDAY
   * @see #THURSDAY
   * @see #FRIDAY
   * @see #SATURDAY
   */
  public final static int DAY_OF_WEEK = 7;

  /**
   * Field number for <code>get</code> and <code>set</code> indicating the
   * ordinal number of the day of the week within the current month. Together
   * with the <code>DAY_OF_WEEK</code> field, this uniquely specifies a day
   * within a month.  Unlike <code>WEEK_OF_MONTH</code> and
   * <code>WEEK_OF_YEAR</code>, this field's value does <em>not</em> depend on
   * <code>getFirstDayOfWeek()</code> or
   * <code>getMinimalDaysInFirstWeek()</code>.  <code>DAY_OF_MONTH 1</code>
   * through <code>7</code> always correspond to <code>DAY_OF_WEEK_IN_MONTH
   * 1</code>; <code>8</code> through <code>14</code> correspond to
   * <code>DAY_OF_WEEK_IN_MONTH 2</code>, and so on.
   * <code>DAY_OF_WEEK_IN_MONTH 0</code> indicates the week before
   * <code>DAY_OF_WEEK_IN_MONTH 1</code>.  Negative values count back from the
   * end of the month, so the last Sunday of a month is specified as
   * <code>DAY_OF_WEEK = SUNDAY, DAY_OF_WEEK_IN_MONTH = -1</code>.  Because
   * negative values count backward they will usually be aligned differently
   * within the month than positive values.  For example, if a month has 31
   * days, <code>DAY_OF_WEEK_IN_MONTH -1</code> will overlap
   * <code>DAY_OF_WEEK_IN_MONTH 5</code> and the end of <code>4</code>.
   *
   * @see #DAY_OF_WEEK
   * @see #WEEK_OF_MONTH
   */
  public final static int DAY_OF_WEEK_IN_MONTH = 8;

  /**
   * Field number for <code>get</code> and <code>set</code> indicating
   * whether the <code>HOUR</code> is before or after noon.
   * E.g., at 10:04:15.250 PM the <code>AM_PM</code> is <code>PM</code>.
   *
   * @see #AM
   * @see #PM
   * @see #HOUR
   */
  public final static int AM_PM = 9;

  /**
   * Field number for <code>get</code> and <code>set</code> indicating the
   * hour of the morning or afternoon. <code>HOUR</code> is used for the
   * 12-hour clock (0 - 11). Noon and midnight are represented by 0, not by 12.
   * E.g., at 10:04:15.250 PM the <code>HOUR</code> is 10.
   *
   * @see #AM_PM
   * @see #HOUR_OF_DAY
   */
  public final static int HOUR = 10;

  /**
   * Field number for <code>get</code> and <code>set</code> indicating the
   * hour of the day. <code>HOUR_OF_DAY</code> is used for the 24-hour clock.
   * E.g., at 10:04:15.250 PM the <code>HOUR_OF_DAY</code> is 22.
   *
   * @see #HOUR
   */
  public final static int HOUR_OF_DAY = 11;

  /**
   * Field number for <code>get</code> and <code>set</code> indicating the
   * minute within the hour.
   * E.g., at 10:04:15.250 PM the <code>MINUTE</code> is 4.
   */
  public final static int MINUTE = 12;

  /**
   * Field number for <code>get</code> and <code>set</code> indicating the
   * second within the minute.
   * E.g., at 10:04:15.250 PM the <code>SECOND</code> is 15.
   */
  public final static int SECOND = 13;

  /**
   * Field number for <code>get</code> and <code>set</code> indicating the
   * millisecond within the second.
   * E.g., at 10:04:15.250 PM the <code>MILLISECOND</code> is 250.
   */
  public final static int MILLISECOND = 14;

  /**
   * Value of the {@link #DAY_OF_WEEK} field indicating
   * Sunday.
   */
  public final static int SUNDAY = 1;

  /**
   * Value of the {@link #DAY_OF_WEEK} field indicating
   * Monday.
   */
  public final static int MONDAY = 2;

  /**
   * Value of the {@link #DAY_OF_WEEK} field indicating
   * Tuesday.
   */
  public final static int TUESDAY = 3;

  /**
   * Value of the {@link #DAY_OF_WEEK} field indicating
   * Wednesday.
   */
  public final static int WEDNESDAY = 4;

  /**
   * Value of the {@link #DAY_OF_WEEK} field indicating
   * Thursday.
   */
  public final static int THURSDAY = 5;

  /**
   * Value of the {@link #DAY_OF_WEEK} field indicating
   * Friday.
   */
  public final static int FRIDAY = 6;

  /**
   * Value of the {@link #DAY_OF_WEEK} field indicating
   * Saturday.
   */
  public final static int SATURDAY = 7;

  /**
   * Value of the {@link #MONTH} field indicating the
   * first month of the year in the Gregorian and Julian calendars.
   */
  public final static int JANUARY = 0;

  /**
   * Value of the {@link #MONTH} field indicating the
   * second month of the year in the Gregorian and Julian calendars.
   */
  public final static int FEBRUARY = 1;

  /**
   * Value of the {@link #MONTH} field indicating the
   * third month of the year in the Gregorian and Julian calendars.
   */
  public final static int MARCH = 2;

  /**
   * Value of the {@link #MONTH} field indicating the
   * fourth month of the year in the Gregorian and Julian calendars.
   */
  public final static int APRIL = 3;

  /**
   * Value of the {@link #MONTH} field indicating the
   * fifth month of the year in the Gregorian and Julian calendars.
   */
  public final static int MAY = 4;

  /**
   * Value of the {@link #MONTH} field indicating the
   * sixth month of the year in the Gregorian and Julian calendars.
   */
  public final static int JUNE = 5;

  /**
   * Value of the {@link #MONTH} field indicating the
   * seventh month of the year in the Gregorian and Julian calendars.
   */
  public final static int JULY = 6;

  /**
   * Value of the {@link #MONTH} field indicating the
   * eighth month of the year in the Gregorian and Julian calendars.
   */
  public final static int AUGUST = 7;

  /**
   * Value of the {@link #MONTH} field indicating the
   * ninth month of the year in the Gregorian and Julian calendars.
   */
  public final static int SEPTEMBER = 8;

  /**
   * Value of the {@link #MONTH} field indicating the
   * tenth month of the year in the Gregorian and Julian calendars.
   */
  public final static int OCTOBER = 9;

  /**
   * Value of the {@link #MONTH} field indicating the
   * eleventh month of the year in the Gregorian and Julian calendars.
   */
  public final static int NOVEMBER = 10;

  /**
   * Value of the {@link #MONTH} field indicating the
   * twelfth month of the year in the Gregorian and Julian calendars.
   */
  public final static int DECEMBER = 11;

  /**
   * Value of the {@link #MONTH} field indicating the
   * thirteenth month of the year. Although <code>GregorianCalendar</code>
   * does not use this value, lunar calendars do.
   */
  public final static int UNDECIMBER = 12;

  /**
   * Value of the {@link #AM_PM} field indicating the
   * period of the day from midnight to just before noon.
   */
  public final static int AM = 0;

  /**
   * Value of the {@link #AM_PM} field indicating the
   * period of the day from noon to just before midnight.
   */
  public final static int PM = 1;

  /**
   * Returns a <code>Date</code> object representing this
   * <code>Calendar</code>'s time value (millisecond offset from the <a
   * href="#Epoch">Epoch</a>").
   *
   * @return a <code>Date</code> representing the time value.
   * @see #setTime(Date)
   * @see #getTimeInMillis()
   */
  public abstract Date getTime();

  /**
   * Sets this Calendar's time with the given <code>Date</code>.
   * <p>
   * Note: Calling <code>setTime()</code> with
   * <code>Date(Long.MAX_VALUE)</code> or <code>Date(Long.MIN_VALUE)</code>
   * may yield incorrect field values from <code>get()</code>.
   *
   * @param date the given Date.
   * @see #getTime()
   * @see #setTimeInMillis(long)
   */
  public abstract void setTime(Date date);

  /**
   * Returns this Calendar's time value in milliseconds.
   *
   * @return the current time as UTC milliseconds from the epoch.
   * @see #getTime()
   * @see #setTimeInMillis(long)
   */
  public abstract long getTimeInMillis();

  /**
   * Sets this Calendar's current time from the given long value.
   *
   * @param millis the new time in UTC milliseconds from the epoch.
   * @see #setTime(Date)
   * @see #getTimeInMillis()
   */
  public abstract void setTimeInMillis(long millis);

  public abstract int get(int field);

  /**
   * Sets the given calendar field to the given value. The value is not
   * interpreted by this method regardless of the leniency mode.
   *
   * @param field the given calendar field.
   * @param value the value to be set for the given calendar field.
   * @throws ArrayIndexOutOfBoundsException if the specified field is out of range
   *             (<code>field &lt; 0 || field &gt;= FIELD_COUNT</code>).
   * in non-lenient mode.
   * @see #set(int,int,int)
   * @see #set(int,int,int,int,int)
   * @see #set(int,int,int,int,int,int)
   * @see #get(int)
   */
  public abstract void set(int field, int value);

  public abstract void add(int field, int value);

  public int getFirstDayOfWeek() {
    return firstDayOfWeek;
  }

  public void setFirstDayOfWeek(int newFirstDayOfWeek) {
    this.firstDayOfWeek = newFirstDayOfWeek;
  }
  
  public int getMinimalDaysInFirstWeek() {
	  return minimalDaysInFirstWeek;
  }
  
  public void setMinimalDaysInFirstWeek(int newMinimalDaysInFirstWeek) {
	  this.minimalDaysInFirstWeek = newMinimalDaysInFirstWeek;
  }

  /**
   * The first day of the week, with possible values <code>SUNDAY</code>,
   * <code>MONDAY</code>, etc.  This is a locale-dependent value.
   * @serial
   */
  private int firstDayOfWeek = SUNDAY;
  
  /**
   * The number of days required for the first week in a month or year,
   * with possible values from 1 to 7.  This is a locale-dependent value.
   * @serial
   */
  private int minimalDaysInFirstWeek = 1;

  public abstract Object clone();

}