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.server.ui;
021
022import org.apache.commons.lang.StringUtils;
023import org.sonar.api.ServerExtension;
024import org.sonar.api.utils.Logs;
025import org.sonar.api.web.CodeColorizerFormat;
026import org.sonar.colorizer.CodeColorizer;
027import org.sonar.colorizer.HtmlOptions;
028import org.sonar.colorizer.Tokenizer;
029
030import java.io.StringReader;
031import java.util.Collections;
032import java.util.HashMap;
033import java.util.List;
034import java.util.Map;
035
036public class CodeColorizers implements ServerExtension {
037
038  private Map<String, CodeColorizerFormat> formatPerLanguage;
039
040  public CodeColorizers(List<CodeColorizerFormat> formats) {
041    formatPerLanguage = new HashMap<String, CodeColorizerFormat>();
042    for (CodeColorizerFormat format : formats) {
043      formatPerLanguage.put(format.getLanguageKey(), format);
044    }
045
046    Logs.INFO.info("Code colorizer, supported languages: " + StringUtils.join(formatPerLanguage.keySet(), ","));
047  }
048
049  public String toHtml(String code, String language) {
050    List<Tokenizer> tokenizers;
051    CodeColorizerFormat format = formatPerLanguage.get(language);
052    if (format == null) {
053      tokenizers = Collections.emptyList();
054    } else {
055      tokenizers = format.getTokenizers();
056    }
057    return new CodeColorizer(tokenizers).toHtml(new StringReader(code), HtmlOptions.ONLY_SYNTAX);
058  }
059}