001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018package org.apache.commons.lang3.time; 019 020import java.util.Calendar; 021import java.util.Objects; 022 023/** 024 * Helps use {@link Calendar}s. 025 * 026 * @since 3.10 027 */ 028public class CalendarUtils { 029 030 /** 031 * The singleton instance for {@link Calendar#getInstance()}. 032 */ 033 public static final CalendarUtils INSTANCE = new CalendarUtils(Calendar.getInstance()); 034 035 private final Calendar calendar; 036 037 /** 038 * Creates an instance for the given Calendar. 039 * 040 * @param calendar A Calendar. 041 */ 042 public CalendarUtils(final Calendar calendar) { 043 this.calendar = Objects.requireNonNull(calendar, "calendar"); 044 } 045 046 /** 047 * Gets the current day of month. 048 * 049 * @return the current day of month. 050 */ 051 public int getDayOfMonth() { 052 return calendar.get(Calendar.DAY_OF_MONTH); 053 } 054 055 /** 056 * Gets the current month. 057 * 058 * @return the current month. 059 */ 060 public int getMonth() { 061 return calendar.get(Calendar.MONTH); 062 } 063 064 /** 065 * Gets the current year. 066 * 067 * @return the current year. 068 */ 069 public int getYear() { 070 return calendar.get(Calendar.YEAR); 071 } 072}