/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.metamodel.util;
import java.util.Calendar;
/**
* Provides a handy and type-safe enum around the months otherwise defined as
* int constants in java.util.Calendar.
*/
public enum Month implements HasName {
JANUARY(Calendar.JANUARY),
FEBRUARY(Calendar.FEBRUARY),
MARCH(Calendar.MARCH),
APRIL(Calendar.APRIL),
MAY(Calendar.MAY),
JUNE(Calendar.JUNE),
JULY(Calendar.JULY),
AUGUST(Calendar.AUGUST),
SEPTEMBER(Calendar.SEPTEMBER),
OCTOBER(Calendar.OCTOBER),
NOVEMBER(Calendar.NOVEMBER),
DECEMBER(Calendar.DECEMBER);
private int calendarConstant;
private Month(int calendarConstant) {
this.calendarConstant = calendarConstant;
}
public int getCalendarConstant() {
return calendarConstant;
}
public static Month getByCalendarConstant(int calendarConstant) {
for (Month month : values()) {
if (month.getCalendarConstant() == calendarConstant) {
return month;
}
}
return null;
}
public Month next() {
if (this == DECEMBER) {
return JANUARY;
}
return values()[ordinal() + 1];
}
public Month previous() {
if (this == JANUARY) {
return DECEMBER;
}
return values()[ordinal() - 1];
}
@Override
public String getName() {
final String capitalized = toString();
return capitalized.charAt(0) + capitalized.substring(1).toLowerCase();
}
}