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 java.io.IOException;
022
023import org.apache.wiki.WikiContext;
024import org.apache.wiki.parser.WikiDocument;
025import org.apache.wiki.parser.markdown.MarkdownDocument;
026import org.apache.wiki.render.WikiRenderer;
027
028import com.vladsch.flexmark.html.HtmlRenderer;
029
030
031/**
032 * Class handling the markdown rendering.
033 */
034public class MarkdownRenderer extends WikiRenderer {
035
036    private final HtmlRenderer renderer;
037
038    public MarkdownRenderer( final WikiContext context, final WikiDocument doc ) {
039        super( context, doc );
040        renderer = HtmlRenderer.builder( MarkdownDocument.options( context ) ).build();
041    }
042
043    /**
044     * {@inheritDoc}
045     */
046    @Override
047    public String getString() throws IOException {
048        m_document.setContext( m_context );
049        if( m_document instanceof MarkdownDocument ) {
050            return renderer.render( ( ( MarkdownDocument )m_document ).getMarkdownNode() );
051        } else {
052            throw new IOException( "MarkdownRenderer requires to be used with MarkdownParser" );
053        }
054    }
055
056}