001/* 002 * Copyright 2015 Anyware Services 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016package org.ametys.core.util; 017 018import java.util.Comparator; 019 020import org.ametys.runtime.i18n.I18nizableText; 021 022/** 023 * Sort I18nizableText with their translation 024 */ 025public class I18nizableTextComparator implements Comparator<I18nizableText> 026{ 027 private I18nUtils _i18nUtils; 028 029 /** 030 * Constructor. 031 * @param i18nUtils the {@link I18nUtils} for actual translations. 032 */ 033 public I18nizableTextComparator(I18nUtils i18nUtils) 034 { 035 _i18nUtils = i18nUtils; 036 } 037 038 @Override 039 public int compare(I18nizableText t1, I18nizableText t2) 040 { 041 String s1 = _i18nUtils.translate(t1); 042 String s2 = _i18nUtils.translate(t2); 043 044 if (s1 != null && s2 != null) 045 { 046 return _i18nUtils.translate(t1).compareTo(_i18nUtils.translate(t2)); 047 } 048 else if (s1 == null && s2 == null) 049 { 050 return 0; 051 } 052 else if (s1 != null) 053 { 054 // s2 is null 055 return 1; 056 } 057 else 058 { 059 // s1 is null 060 return -1; 061 } 062 } 063}