| package org.apache.maven.doxia.module.markdown; |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| import java.io.IOException; |
| import java.io.Reader; |
| import java.io.StringReader; |
| |
| import org.apache.maven.doxia.module.xhtml.XhtmlParser; |
| import org.apache.maven.doxia.parser.ParseException; |
| import org.apache.maven.doxia.parser.Parser; |
| import org.apache.maven.doxia.sink.Sink; |
| |
| import org.codehaus.plexus.component.annotations.Component; |
| import org.codehaus.plexus.util.IOUtil; |
| |
| import org.pegdown.Extensions; |
| import org.pegdown.PegDownProcessor; |
| import org.pegdown.ast.RootNode; |
| |
| /** |
| * Implementation of {@link org.apache.maven.doxia.parser.Parser} for Markdown documents. |
| * <p/> |
| * Defers parsing to the <a href="http://pegdown.org">PegDown library</a>. |
| * |
| * @author Julien Nicoulaud <julien.nicoulaud@gmail.com> |
| * @since 1.3 |
| */ |
| @Component( role = Parser.class, hint = "markdown" ) |
| public class MarkdownParser |
| extends XhtmlParser |
| { |
| |
| /** |
| * The role hint for the {@link MarkdownParser} Plexus component. |
| */ |
| public static final String ROLE_HINT = "markdown"; |
| |
| /** |
| * The {@link PegDownProcessor} used to convert Pegdown documents to HTML. |
| */ |
| protected static final PegDownProcessor PEGDOWN_PROCESSOR = |
| new PegDownProcessor( Extensions.ALL & ~Extensions.HARDWRAPS ); |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void parse( Reader source, Sink sink ) |
| throws ParseException |
| { |
| try |
| { |
| RootNode rootNode = PEGDOWN_PROCESSOR.parseMarkdown( IOUtil.toString( source ).toCharArray() ); |
| String markdownAsHtml = new MarkdownToDoxiaHtmlSerializer().toHtml( rootNode ); |
| super.parse( new StringReader( "<html><body>" + markdownAsHtml + "</body></html>" ), sink ); |
| } |
| catch ( IOException e ) |
| { |
| throw new ParseException( "Failed reading Markdown source document", e ); |
| } |
| } |
| } |
