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.colorizer;
021    
022    import java.io.Reader;
023    import java.util.ArrayList;
024    import java.util.List;
025    
026    import org.sonar.channel.Channel;
027    import org.sonar.channel.CodeReader;
028    
029    public class HtmlRenderer extends Renderer {
030    
031      private HtmlOptions options = null;
032    
033      public HtmlRenderer(HtmlOptions options) {
034        this.options = options;
035      }
036    
037      public HtmlRenderer() {
038        this(HtmlOptions.DEFAULT);
039      }
040    
041      public String render(Reader code, List<? extends Channel<HtmlCodeBuilder>> tokenizers) {
042        try {
043          List<Channel<HtmlCodeBuilder>> allTokenizers = new ArrayList<Channel<HtmlCodeBuilder>>();
044          HtmlCodeBuilder codeBuilder = new HtmlCodeBuilder();
045          HtmlDecorator htmlDecorator = new HtmlDecorator(options);
046    
047          // optimization
048          if (options != null && options.isGenerateTable()) {
049            codeBuilder.appendWithoutTransforming(htmlDecorator.getTagBeginOfFile());
050            allTokenizers.add(htmlDecorator);
051          }
052          allTokenizers.addAll(tokenizers);
053    
054          new TokenizerDispatcher(allTokenizers).colorize(new CodeReader(code), codeBuilder);
055          // optimization
056          if (options != null && options.isGenerateTable()) {
057            codeBuilder.appendWithoutTransforming(htmlDecorator.getTagEndOfFile());
058          }
059          return codeBuilder.toString();
060        } catch (Exception e) {
061          throw new SynhtaxHighlightingException("Can not render code", e);
062        }
063      }
064    }