001    /*
002     * Sonar, open source software quality management tool.
003     * Copyright (C) 2008-2012 SonarSource
004     * mailto:contact AT sonarsource DOT com
005     *
006     * Sonar 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     * Sonar 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
017     * License along with Sonar; if not, write to the Free Software
018     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
019     */
020    package org.sonar.api.resources;
021    
022    import java.util.ArrayList;
023    import java.util.Arrays;
024    import java.util.List;
025    import java.util.Map;
026    
027    import com.google.common.collect.Maps;
028    import org.apache.commons.lang.ArrayUtils;
029    import org.sonar.api.BatchComponent;
030    import org.sonar.api.ServerComponent;
031    
032    /**
033     * A class to store the list of languages
034     * 
035     * @since 1.10
036     */
037    public class Languages implements BatchComponent, ServerComponent {
038    
039      private final Map<String, Language> map = Maps.newHashMap();
040    
041      /**
042       * Creates a list of languages
043       */
044      public Languages(Language... languages) {
045        if (languages != null) {
046          for (Language language : languages) {
047            map.put(language.getKey(), language);
048          }
049        }
050      }
051    
052      /**
053       * @param keys the languages keys
054       * @return the list of suffix files associates to languages included in the current object
055       */
056      public String[] getSuffixes(String... keys) {
057        List<String> suffixes = new ArrayList<String>();
058    
059        for (Map.Entry<String, Language> entry : map.entrySet()) {
060          if (ArrayUtils.isEmpty(keys) || ArrayUtils.contains(keys, entry.getKey())) {
061            suffixes.addAll(Arrays.asList(entry.getValue().getFileSuffixes()));
062          }
063        }
064        return suffixes.toArray(new String[suffixes.size()]);
065      }
066    
067      /**
068       * Return a language from the current object based on its key
069       */
070      public Language get(String key) {
071        return map.get(key);
072      }
073    
074      /**
075       * Adds a language to the current object
076       */
077      public void add(Language language) {
078        map.put(language.getKey(), language);
079      }
080    }