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