001    /*
002     * Sonar, open source software quality management tool.
003     * Copyright (C) 2009 SonarSource SA
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 org.apache.commons.lang.ArrayUtils;
023    
024    import java.util.*;
025    
026    /**
027     * A class to store the list of languages
028     *
029     * @since 1.10
030     */
031    public class Languages {
032    
033      private final Map<String, Language> map = new HashMap<String, Language>();
034    
035      /**
036       * Creates a list of languages
037       */
038      public Languages(Language... languages) {
039        if (languages != null) {
040          for (Language language : languages) {
041            map.put(language.getKey(), language);
042          }
043        }
044      }
045    
046      /**
047       *
048       * @param keys the languages keys
049       * @return  * @return the list of suffix files associates to languages included in the current object
050       */
051    
052      public String[] getSuffixes(String... keys) {
053        List<String> suffixes = new ArrayList<String>();
054    
055        for (Map.Entry<String, Language> entry : map.entrySet()) {
056          if (ArrayUtils.isEmpty(keys) || ArrayUtils.contains(keys, entry.getKey())) {
057            suffixes.addAll(Arrays.asList(entry.getValue().getFileSuffixes()));
058          }
059        }
060        return suffixes.toArray(new String[suffixes.size()]);
061      }
062    
063      /**
064       * Return a language from the current object based on its key
065       */
066      public Language get(String key) {
067        return map.get(key);
068      }
069    
070      /**
071       * Adds a language to the current object
072       */
073      public void add(Language language) {
074        map.put(language.getKey(), language);
075      }
076    }