001    /*
002     * SonarQube, open source software quality management tool.
003     * Copyright (C) 2008-2014 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     */
020    package org.sonar.batch.languages;
021    
022    import org.sonar.api.resources.Languages;
023    
024    import javax.annotation.CheckForNull;
025    
026    import java.util.ArrayList;
027    import java.util.Collection;
028    
029    /**
030     * Languages referential using {@link Languages}
031     * @since 4.4
032     */
033    public class DefaultLanguagesReferential implements LanguagesReferential {
034    
035      private Languages languages;
036    
037      public DefaultLanguagesReferential(Languages languages) {
038        this.languages = languages;
039      }
040    
041      /**
042       * Get language.
043       */
044      @CheckForNull
045      public Language get(String languageKey) {
046        org.sonar.api.resources.Language language = languages.get(languageKey);
047        return language != null ? new Language(language.getKey(), language.getName(), language.getFileSuffixes()) : null;
048      }
049    
050      /**
051       * Get list of all supported languages.
052       */
053      public Collection<Language> all() {
054        org.sonar.api.resources.Language[] all = languages.all();
055        Collection<Language> result = new ArrayList<Language>(all.length);
056        for (org.sonar.api.resources.Language language : all) {
057          result.add(new Language(language.getKey(), language.getName(), language.getFileSuffixes()));
058        }
059        return result;
060      }
061    
062    }