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.markdown.extensions.jspwikilinks.postprocessor;
020
021import com.vladsch.flexmark.util.ast.Node;
022import com.vladsch.flexmark.util.ast.NodeTracker;
023import com.vladsch.flexmark.util.sequence.CharSubSequence;
024import org.apache.wiki.WikiContext;
025import org.apache.wiki.markdown.nodes.JSPWikiLink;
026import org.apache.wiki.parser.LinkParsingOperations;
027import org.apache.wiki.parser.MarkupParser;
028
029
030/**
031 * {@link NodePostProcessorState} which further post processes external links.
032 */
033public class ExternalLinkNodePostProcessorState implements NodePostProcessorState< JSPWikiLink > {
034
035    private final WikiContext wikiContext;
036    private final LinkParsingOperations linkOperations;
037    private boolean m_useOutlinkImage = true;
038
039    public ExternalLinkNodePostProcessorState( final WikiContext wikiContext ) {
040        this.wikiContext = wikiContext;
041        this.linkOperations = new LinkParsingOperations( wikiContext );
042        this.m_useOutlinkImage = wikiContext.getBooleanWikiProperty( MarkupParser.PROP_USEOUTLINKIMAGE, m_useOutlinkImage );
043    }
044
045    /**
046     * {@inheritDoc}
047     *
048     * @see NodePostProcessorState#process(NodeTracker, Node)
049     */
050    @Override
051    public void process( final NodeTracker state, final JSPWikiLink link ) {
052        if( linkOperations.isImageLink( link.getUrl().toString() ) ) {
053            new ImageLinkNodePostProcessorState( wikiContext, link.getUrl().toString(), link.hasRef() ).process( state, link );
054        } else {
055            link.setUrl( CharSubSequence.of( link.getUrl().toString() ) );
056            NodePostProcessorStateCommonOperations.addOutlinkImage( state, link, wikiContext, m_useOutlinkImage );
057        }
058    }
059
060}