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;
020
021import java.io.IOException;
022import java.io.StringWriter;
023
024import org.jdom2.output.Format;
025import org.jdom2.output.XMLOutputter;
026
027import org.apache.wiki.WikiContext;
028import org.apache.wiki.parser.WikiDocument;
029
030/**
031 *  Implements a WikiRendered that outputs XHTML.  Because the internal DOM
032 *  representation is in XHTML already, this just basically dumps out everything
033 *  out in a non-prettyprinted format.
034 *
035 *  @since  2.4
036 */
037public class XHTMLRenderer
038    extends WikiRenderer
039{
040    private static final String LINEBREAK = "\n";
041
042    /**
043     *  Creates an XHTML 1.0 renderer.
044     *
045     *  @param context A WikiContext in which the rendering will take place.
046     *  @param doc The WikiDocument which shall be rendered.
047     */
048    public XHTMLRenderer( WikiContext context, WikiDocument doc )
049    {
050        super( context, doc );
051    }
052
053    /**
054     *  {@inheritDoc}
055     */
056    public String getString()
057        throws IOException
058    {
059        m_document.setContext( m_context );
060
061        CustomXMLOutputProcessor processor = new CustomXMLOutputProcessor();
062        XMLOutputter output = new XMLOutputter(processor);
063
064        StringWriter out = new StringWriter();
065
066        Format fmt = Format.getRawFormat();
067        fmt.setExpandEmptyElements( false );
068        fmt.setLineSeparator( LINEBREAK );
069
070        output.setFormat( fmt );
071        output.outputElementContent( m_document.getRootElement(), out );
072
073        String result = out.toString();
074        return result;
075    }
076}