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Java Simplified. Extensions and Useful Constructs for the Java Platform. Codeprimate Elements (a.k.a. cp-elements) is a Java library and micro-framework used to simplify the development of software applications written in Java. Elements packages several APIs into one library in order to address various application concerns and aspects of software design and development collectively and conveniently. Elements is a highly simple, yet robust and proven library built on solid OO principles, software design patterns and best practices to effectively solve common and reoccurring problems in software development.

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/*
 * Copyright 2016 Author or Authors.
 *
 * 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.cp.elements.enums;

import java.util.Arrays;
import java.util.Calendar;

/**
 * The {@link Month} enum is an {@link Enum enumeration} of the months in a year.
 *
 * @author John J. Blum
 * @see java.lang.Enum
 * @see java.time.Month
 * @see java.util.Calendar
 * @since 1.0.0
 */
@SuppressWarnings("unused")
public enum Month {

  JANUARY("Jan", "January", 1, Calendar.JANUARY, java.time.Month.JANUARY),
  FEBRUARY("Feb", "February", 2, Calendar.FEBRUARY, java.time.Month.FEBRUARY),
  MARCH("Mar", "March", 3, Calendar.MARCH, java.time.Month.MARCH),
  APRIL("Apr", "April", 4, Calendar.APRIL, java.time.Month.APRIL),
  MAY("May", "May", 5, Calendar.MAY, java.time.Month.MAY),
  JUNE("Jun", "June", 6, Calendar.JUNE, java.time.Month.JUNE),
  JULY("Jul", "July", 7, Calendar.JULY, java.time.Month.JULY),
  AUGUST("Aug", "August", 8, Calendar.AUGUST, java.time.Month.AUGUST),
  SEPTEMBER("Sep", "September", 9, Calendar.SEPTEMBER, java.time.Month.SEPTEMBER),
  OCTOBER("Oct", "October", 10, Calendar.OCTOBER, java.time.Month.OCTOBER),
  NOVEMBER("Nov", "November", 11, Calendar.NOVEMBER, java.time.Month.NOVEMBER),
  DECEMBER("Dec", "December", 12, Calendar.DECEMBER, java.time.Month.DECEMBER);

  public static Month valueOfAbbreviation(String abbreviation) {

    return Arrays.stream(values())
      .filter(month -> month.getAbbreviation().equalsIgnoreCase(abbreviation))
      .findFirst()
      .orElse(null);
  }

  public static Month valueOfCalendarMonth(int calendarMonth) {

    return Arrays.stream(values())
      .filter(month -> month.getCalendarMonth() == calendarMonth)
      .findFirst()
      .orElse(null);
  }

  public static Month valueOfJavaTimeMonth(java.time.Month javaTimeMonth) {

    return Arrays.stream(values())
      .filter(month -> month.getJavaTimeMonth().equals(javaTimeMonth))
      .findFirst()
      .orElse(null);
  }

  public static Month valueOfName(String name) {

    return Arrays.stream(values())
      .filter(month -> month.getName().equalsIgnoreCase(name))
      .findFirst()
      .orElse(null);
  }

  public static Month valueOfPosition(int position) {

    return Arrays.stream(values())
      .filter(month -> month.getPosition() == position)
      .findFirst()
      .orElse(null);
  }

  private final int calendarMonth;
  private final int position;

  private final java.time.Month month;

  private final String abbreviation;
  private final String name;

  /**
   * Constructs an instance of the {@link Month} enum initialized with the given month meta-data and descriptors.
   *
   * @param abbreviation abbreviation for the month (e.g. Jan).
   * @param name name of the month (e.g January).
   * @param position integer value indicating the position of the month within th calendar year (e.g. January == 1).
   * @param calendarMonth {@link Calendar} month (e.g. {@link Calendar#JANUARY}.
   * @param month {@link java.time.Month} value of this {@link Month} enum (e.g. {@link java.time.Month#JANUARY}.
   */
  Month(String abbreviation, String name, int position, int calendarMonth, java.time.Month month) {

    this.abbreviation = abbreviation;
    this.name = name;
    this.position = position;
    this.calendarMonth = calendarMonth;
    this.month = month;
  }

  public String getAbbreviation() {
    return this.abbreviation;
  }

  public int getCalendarMonth() {
    return this.calendarMonth;
  }

  public java.time.Month getJavaTimeMonth() {
    return this.month;
  }

  public String getName() {
    return this.name;
  }

  public int getPosition() {
    return this.position;
  }

  @Override
  public String toString() {
    return getName();
  }
}