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 */
020package org.sonar.api.resources;
021
022import com.google.common.collect.Maps;
023import org.apache.commons.lang.ArrayUtils;
024import org.sonar.api.BatchComponent;
025import org.sonar.api.ServerComponent;
026
027import java.util.ArrayList;
028import java.util.Arrays;
029import java.util.List;
030import java.util.Map;
031
032/**
033 * A class to store the list of languages
034 * 
035 * @since 1.10
036 */
037public 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}