    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.oro.text.regex.Pattern;
    025import org.apache.wiki.api.core.Context;
    026import org.apache.wiki.markdown.nodes.JSPWikiLink;
    027import org.apache.wiki.parser.LinkParsingOperations;
    028import org.apache.wiki.parser.MarkupParser;
    029
    030import java.util.List;
    031
    032
    033/**
    034 * {@link NodePostProcessorState} which further post processes external links.
    035 */
    036public class ExternalLinkNodePostProcessorState implements NodePostProcessorState< JSPWikiLink > {
    037
    038    private final Context wikiContext;
    039    private final LinkParsingOperations linkOperations;
    040    private final boolean isImageInlining;
    041    private final List< Pattern > inlineImagePatterns;
    042    private boolean m_useOutlinkImage = true;
    043
    044    public ExternalLinkNodePostProcessorState( final Context wikiContext,
    045                                               final boolean isImageInlining,
    046                                               final List< Pattern > inlineImagePatterns ) {
    047        this.wikiContext = wikiContext;
    048        this.linkOperations = new LinkParsingOperations( wikiContext );
    049        this.isImageInlining = isImageInlining;
    050        this.inlineImagePatterns = inlineImagePatterns;
    051        this.m_useOutlinkImage = wikiContext.getBooleanWikiProperty( MarkupParser.PROP_USEOUTLINKIMAGE, m_useOutlinkImage );
    052    }
    053
    054    /**
    055     * {@inheritDoc}
    056     *
    057     * @see NodePostProcessorState#process(NodeTracker, Node)
    058     */
    059    @Override
    060    public void process( final NodeTracker state, final JSPWikiLink link ) {
    061        if( linkOperations.isImageLink( link.getUrl().toString(), isImageInlining, inlineImagePatterns ) ) {
    062            new ImageLinkNodePostProcessorState( wikiContext, link.getUrl().toString(), link.hasRef() ).process( state, link );
    063        } else {
    064            link.setUrl( CharSubSequence.of( link.getUrl().toString() ) );
    065            NodePostProcessorStateCommonOperations.addOutlinkImage( state, link, wikiContext, m_useOutlinkImage );
    066        }
    067    }
    068
    069}