/*
* Copyright 2001-2005 Stephen Colebourne
*
* Licensed 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.
*/
package org.joda.time;
/**
* DateTimeConstants is a non-instantiable class of constants used in
* the date time system. These are the ISO8601 constants, but should be
* used by all chronologies.
* <p>
* DateTimeConstants is thread-safe and immutable.
*
* @author Stephen Colebourne
* @author Brian S O'Neill
* @since 1.0
*/
public class DateTimeConstants {
// These are ints not enumerations as they represent genuine int values
/** Constant (1) representing January, the first month (ISO) */
public static final int JANUARY = 1;
/** Constant (2) representing February, the second month (ISO) */
public static final int FEBRUARY = 2;
/** Constant (3) representing March, the third month (ISO) */
public static final int MARCH = 3;
/** Constant (4) representing April, the fourth month (ISO) */
public static final int APRIL = 4;
/** Constant (5) representing May, the fifth month (ISO) */
public static final int MAY = 5;
/** Constant (6) representing June, the sixth month (ISO) */
public static final int JUNE = 6;
/** Constant (7) representing July, the seventh month (ISO) */
public static final int JULY = 7;
/** Constant (8) representing August, the eighth month (ISO) */
public static final int AUGUST = 8;
/** Constant (9) representing September, the nineth month (ISO) */
public static final int SEPTEMBER = 9;
/** Constant (10) representing October, the tenth month (ISO) */
public static final int OCTOBER = 10;
/** Constant (11) representing November, the eleventh month (ISO) */
public static final int NOVEMBER = 11;
/** Constant (12) representing December, the twelfth month (ISO) */
public static final int DECEMBER = 12;
// These are ints not enumerations as they represent genuine int values
/** Constant (1) representing Monday, the first day of the week (ISO) */
public static final int MONDAY = 1;
/** Constant (2) representing Tuesday, the second day of the week (ISO) */
public static final int TUESDAY = 2;
/** Constant (3) representing Wednesday, the third day of the week (ISO) */
public static final int WEDNESDAY = 3;
/** Constant (4) representing Thursday, the fourth day of the week (ISO) */
public static final int THURSDAY = 4;
/** Constant (5) representing Friday, the fifth day of the week (ISO) */
public static final int FRIDAY = 5;
/** Constant (6) representing Saturday, the sixth day of the week (ISO) */
public static final int SATURDAY = 6;
/** Constant (7) representing Sunday, the seventh day of the week (ISO) */
public static final int SUNDAY = 7;
/** Constant (0) representing AM, the morning (from Calendar) */
public static final int AM = 0;
/** Constant (1) representing PM, the afternoon (from Calendar) */
public static final int PM = 1;
/** Constant (0) representing BC, years before zero (from Calendar) */
public static final int BC = 0;
/** Alternative constant (0) representing BCE, Before Common Era (secular) */
public static final int BCE = 0;
/**
* Constant (1) representing AD, years after zero (from Calendar).
* <p>
* All new chronologies with different Era values should try to assign
* eras as follows. The era that was in force at 1970-01-01 (ISO) is assigned
* the value 1. Earlier eras are assigned sequentially smaller numbers.
* Later eras are assigned sequentially greater numbers.
*/
public static final int AD = 1;
/**
* Alternative constant (1) representing CE, Common Era (secular).
* <p>
* All new chronologies with different Era values should try to assign
* eras as follows. The era that was in force at 1970-01-01 (ISO) is assigned
* the value 1. Earlier eras are assigned sequentially smaller numbers.
* Later eras are assigned sequentially greater numbers.
*/
public static final int CE = 1;
/** Milliseconds in one second (1000) (ISO) */
public static final int MILLIS_PER_SECOND = 1000;
/** Seconds in one minute (60) (ISO) */
public static final int SECONDS_PER_MINUTE = 60;
/** Milliseconds in one minute (ISO) */
public static final int MILLIS_PER_MINUTE = MILLIS_PER_SECOND * SECONDS_PER_MINUTE;
/** Minutes in one hour (ISO) */
public static final int MINUTES_PER_HOUR = 60;
/** Seconds in one hour (ISO) */
public static final int SECONDS_PER_HOUR = SECONDS_PER_MINUTE * MINUTES_PER_HOUR;
/** Milliseconds in one hour (ISO) */
public static final int MILLIS_PER_HOUR = MILLIS_PER_MINUTE * MINUTES_PER_HOUR;
/** Hours in a typical day (24) (ISO). Due to time zone offset changes, the
* number of hours per day can vary. */
public static final int HOURS_PER_DAY = 24;
/** Minutes in a typical day (ISO). Due to time zone offset changes, the number
* of minutes per day can vary. */
public static final int MINUTES_PER_DAY = MINUTES_PER_HOUR * HOURS_PER_DAY;
/** Seconds in a typical day (ISO). Due to time zone offset changes, the number
* of seconds per day can vary. */
public static final int SECONDS_PER_DAY = SECONDS_PER_HOUR * HOURS_PER_DAY;
/** Milliseconds in a typical day (ISO). Due to time zone offset changes, the
* number of milliseconds per day can vary. */
public static final int MILLIS_PER_DAY = MILLIS_PER_HOUR * HOURS_PER_DAY;
/** Days in one week (7) (ISO) */
public static final int DAYS_PER_WEEK = 7;
/** Hours in a typical week. Due to time zone offset changes, the number of
* hours per week can vary. */
public static final int HOURS_PER_WEEK = HOURS_PER_DAY * DAYS_PER_WEEK;
/** Minutes in a typical week (ISO). Due to time zone offset changes, the number
* of minutes per week can vary. */
public static final int MINUTES_PER_WEEK = MINUTES_PER_DAY * DAYS_PER_WEEK;
/** Seconds in a typical week (ISO). Due to time zone offset changes, the number
* of seconds per week can vary. */
public static final int SECONDS_PER_WEEK = SECONDS_PER_DAY * DAYS_PER_WEEK;
/** Milliseconds in a typical week (ISO). Due to time zone offset changes, the
* number of milliseconds per week can vary. */
public static final int MILLIS_PER_WEEK = MILLIS_PER_DAY * DAYS_PER_WEEK;
/**
* Restrictive constructor
*/
protected DateTimeConstants() {
}
}