001/* 002 Licensed to the Apache Software Foundation (ASF) under one 003 or more contributor license agreements. See the NOTICE file 004 distributed with this work for additional information 005 regarding copyright ownership. The ASF licenses this file 006 to you under the Apache License, Version 2.0 (the 007 "License"); you may not use this file except in compliance 008 with the License. You may obtain a copy of the License at 009 010 http://www.apache.org/licenses/LICENSE-2.0 011 012 Unless required by applicable law or agreed to in writing, 013 software distributed under the License is distributed on an 014 "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 KIND, either express or implied. See the License for the 016 specific language governing permissions and limitations 017 under the License. 018 */ 019package org.apache.wiki.render.markdown; 020 021import com.vladsch.flexmark.html.HtmlRenderer; 022import org.apache.commons.lang3.StringUtils; 023import org.apache.oro.text.regex.Pattern; 024import org.apache.wiki.api.core.Context; 025import org.apache.wiki.parser.MarkupParser; 026import org.apache.wiki.parser.WikiDocument; 027import org.apache.wiki.parser.markdown.MarkdownDocument; 028import org.apache.wiki.render.RenderingManager; 029import org.apache.wiki.render.WikiRenderer; 030 031import java.io.IOException; 032import java.util.List; 033 034 035/** 036 * Class handling the markdown rendering. 037 */ 038public class MarkdownRenderer extends WikiRenderer { 039 040 private final HtmlRenderer renderer; 041 042 public MarkdownRenderer( final Context context, final WikiDocument doc ) { 043 super( context, doc ); 044 final MarkupParser mp = context.getEngine() 045 .getManager( RenderingManager.class ) 046 .getParser( context, StringUtils.defaultString( doc.getPageData() ) ); 047 final boolean isImageInlining = mp.isImageInlining(); 048 final List< Pattern > inlineImagePatterns = mp.getInlineImagePatterns(); 049 renderer = HtmlRenderer.builder( MarkdownDocument.options( context, isImageInlining, inlineImagePatterns ) ).build(); 050 } 051 052 /** 053 * {@inheritDoc} 054 */ 055 @Override 056 public String getString() throws IOException { 057 m_document.setContext( m_context ); 058 if( m_document instanceof MarkdownDocument ) { 059 return renderer.render( ( ( MarkdownDocument )m_document ).getMarkdownNode() ); 060 } else { 061 throw new IOException( "MarkdownRenderer requires to be used with MarkdownParser" ); 062 } 063 } 064 065}