1/* 2 * Copyright (C) 2010 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 17package com.android.contacts.util; 18 19import java.text.Collator; 20import java.util.Locale; 21 22/** 23 * Returns the collator that can be used to sort contact list entries. This 24 * collator is the same as the one that is used in sqlite. 25 */ 26public final class PhonebookCollatorFactory { 27 public static final Collator getCollator() { 28 final Locale defaultLocale = Locale.getDefault(); 29 final String defaultLocaleString = defaultLocale.toString(); 30 // For Japanese we use a special collator that puts japanese characters before foreign 31 // ones (this is called a dictionary collator) 32 // Warning: This function has to match the behavior in sqlite3_android.cpp (located in 33 // the framework) 34 final Locale locale; 35 if ("ja".equals(defaultLocaleString) || "ja_JP".equals(defaultLocaleString)) { 36 locale = new Locale("ja@collation=phonebook"); 37 } else { 38 locale = defaultLocale; 39 } 40 41 return Collator.getInstance(locale); 42 } 43} 44