1 /* 2 * Copyright (C) 2020 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.icu.util; 18 19 import android.icu.util.Calendar; 20 import android.icu.util.ULocale; 21 22 import libcore.api.IntraCoreApi; 23 24 import java.util.Objects; 25 26 /** 27 * Provide extra functionalities on top of {@link Calendar} public APIs. 28 * 29 * @hide 30 */ 31 @IntraCoreApi 32 public class ExtendedCalendar { 33 34 private final Calendar calendar; 35 private final ULocale uLocale; 36 ExtendedCalendar(ULocale uLocale)37 private ExtendedCalendar(ULocale uLocale) { 38 this.uLocale = uLocale; 39 this.calendar = Calendar.getInstance(uLocale); 40 } 41 42 /** 43 * Get an instance 44 * 45 * @param uLocale non-null ULocale 46 * @hide 47 */ 48 @IntraCoreApi getInstance(ULocale uLocale)49 public static ExtendedCalendar getInstance(ULocale uLocale) { 50 Objects.requireNonNull(uLocale); 51 return new ExtendedCalendar(uLocale); 52 } 53 54 /** 55 * Returns the {@link android.icu.text.DateFormat} pattern for the given date and time styles. 56 * Similiar to {@link Calendar#getDateTimeFormat(int, int, ULocale)} but returns the pattern 57 * string instead of an instance of {@link android.icu.text.DateFormat}. 58 * 59 * @see {@link Calendar#getDateTimeFormat(int, int, ULocale)} for the style parameters. 60 * 61 * @hide 62 */ 63 @IntraCoreApi getDateTimePattern(int dateStyle, int timeStyle)64 public String getDateTimePattern(int dateStyle, int timeStyle) { 65 return Calendar.getDateTimeFormatString(uLocale, calendar.getType(), dateStyle, timeStyle); 66 } 67 } 68