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