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.markdown;
021    
022    import org.sonar.channel.ChannelDispatcher;
023    import org.sonar.channel.CodeReader;
024    
025    /**
026     * Entry point of the Markdown library
027     */
028    public final class Markdown {
029    
030      private ChannelDispatcher<MarkdownOutput> dispatcher;
031    
032      private Markdown() {
033        dispatcher = ChannelDispatcher.builder()
034          .addChannel(new HtmlUrlChannel())
035          .addChannel(new HtmlEndOfLineChannel())
036          .addChannel(new HtmlEmphasisChannel())
037          .addChannel(new HtmlListChannel())
038          .addChannel(new HtmlCodeChannel())
039          .addChannel(new HtmlMultilineCodeChannel())
040          .addChannel(new IdentifierAndNumberChannel())
041          .addChannel(new BlackholeChannel())
042          .build();
043      }
044    
045      private String convert(String input) {
046        CodeReader reader = new CodeReader(input);
047        MarkdownOutput output = new MarkdownOutput();
048        dispatcher.consume(reader, output);
049        return output.toString();
050      }
051    
052      public static String convertToHtml(String input) {
053        return new Markdown().convert(input);
054      }
055    }