001/* 002 * SonarQube, open source software quality management tool. 003 * Copyright (C) 2008-2013 SonarSource 004 * mailto:contact AT sonarsource DOT com 005 * 006 * SonarQube is free software; you can redistribute it and/or 007 * modify it under the terms of the GNU Lesser General Public 008 * License as published by the Free Software Foundation; either 009 * version 3 of the License, or (at your option) any later version. 010 * 011 * SonarQube is distributed in the hope that it will be useful, 012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 * Lesser General Public License for more details. 015 * 016 * You should have received a copy of the GNU Lesser General Public License 017 * along with this program; if not, write to the Free Software Foundation, 018 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 019 */ 020package org.sonar.api.resources; 021 022import com.google.common.collect.Maps; 023import org.apache.commons.lang.ArrayUtils; 024import org.slf4j.Logger; 025import org.slf4j.LoggerFactory; 026import org.sonar.api.BatchComponent; 027import org.sonar.api.ServerComponent; 028 029import java.util.ArrayList; 030import java.util.Arrays; 031import java.util.List; 032import java.util.Map; 033 034/** 035 * A class to store the list of languages 036 * 037 * @since 1.10 038 */ 039public class Languages implements BatchComponent, ServerComponent { 040 041 private static final Logger LOG = LoggerFactory.getLogger(Languages.class); 042 043 private final Map<String, Language> map = Maps.newLinkedHashMap(); 044 045 /** 046 * Creates a list of languages 047 */ 048 public Languages(Language... languages) { 049 LOG.debug("Available languages:"); 050 for (Language language : languages) { 051 map.put(language.getKey(), language); 052 LOG.debug(" * " + language.getName() + " => \"" + language.getKey() + "\""); 053 } 054 } 055 056 /** 057 * No languages are installed 058 */ 059 public Languages() { 060 LOG.debug("No language available"); 061 } 062 063 /** 064 * @param keys the languages keys 065 * @return the list of suffix files associates to languages included in the current object 066 */ 067 public String[] getSuffixes(String... keys) { 068 List<String> suffixes = new ArrayList<String>(); 069 070 for (Map.Entry<String, Language> entry : map.entrySet()) { 071 if (ArrayUtils.isEmpty(keys) || ArrayUtils.contains(keys, entry.getKey())) { 072 suffixes.addAll(Arrays.asList(entry.getValue().getFileSuffixes())); 073 } 074 } 075 return suffixes.toArray(new String[suffixes.size()]); 076 } 077 078 /** 079 * Return a language from the current object based on its key 080 */ 081 public Language get(String key) { 082 return map.get(key); 083 } 084 085 /** 086 * Adds a language to the current object 087 */ 088 public void add(Language language) { 089 map.put(language.getKey(), language); 090 } 091 092}