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.Document;
022import com.vladsch.flexmark.util.ast.NodeTracker;
023import com.vladsch.flexmark.util.sequence.CharSubSequence;
024import org.apache.log4j.Logger;
025import org.apache.wiki.WikiContext;
026import org.apache.wiki.i18n.InternationalizationManager;
027import org.apache.wiki.markdown.nodes.JSPWikiLink;
028import org.apache.wiki.parser.LinkParsingOperations;
029import org.apache.wiki.parser.MarkupParser;
030import org.apache.wiki.preferences.Preferences;
031import org.apache.wiki.render.RenderingManager;
032import org.apache.wiki.util.TextUtil;
033
034import java.text.MessageFormat;
035import java.util.ResourceBundle;
036
037
038/**
039 * {@link NodePostProcessorState} which further post processes interwiki links.
040 */
041public class InterWikiLinkNodePostProcessorState implements NodePostProcessorState< JSPWikiLink > {
042
043    private static final Logger LOG = Logger.getLogger( InterWikiLinkNodePostProcessorState.class );
044    private final WikiContext wikiContext;
045    private final LinkParsingOperations linkOperations;
046    private final Document document;
047    private final boolean m_wysiwygEditorMode;
048    private boolean m_useOutlinkImage = true;
049
050    public InterWikiLinkNodePostProcessorState( final WikiContext wikiContext, final Document document ) {
051        this.wikiContext = wikiContext;
052        this.linkOperations = new LinkParsingOperations( wikiContext );
053        this.document = document;
054        this.m_useOutlinkImage = wikiContext.getBooleanWikiProperty( MarkupParser.PROP_USEOUTLINKIMAGE, m_useOutlinkImage );
055        final Boolean wysiwygVariable = ( Boolean )wikiContext.getVariable( RenderingManager.WYSIWYG_EDITOR_MODE );
056        m_wysiwygEditorMode = wysiwygVariable != null ? wysiwygVariable.booleanValue() : false;
057    }
058
059    /**
060     * {@inheritDoc}
061     *
062     * @see NodePostProcessorState#process(NodeTracker, JSPWikiLink)
063     */
064    @Override
065    public void process( final NodeTracker state, final JSPWikiLink link ) {
066        final String[] refAndPage = link.getUrl().toString().split( ":" );
067        if( !m_wysiwygEditorMode ) {
068            String urlReference = wikiContext.getEngine().getInterWikiURL( refAndPage[ 0 ] );
069            if( urlReference != null ) {
070                urlReference = TextUtil.replaceString( urlReference, "%s", refAndPage[ 1 ] );
071                if( linkOperations.isImageLink( urlReference ) ) {
072                    new ImageLinkNodePostProcessorState( wikiContext, urlReference, link.hasRef() ).process( state, link );
073                } else {
074                    link.setUrl( CharSubSequence.of( urlReference ) );
075                }
076                if( linkOperations.isExternalLink( urlReference ) ) {
077                    NodePostProcessorStateCommonOperations.addOutlinkImage( state, link, wikiContext, m_useOutlinkImage );
078                }
079            } else {
080                LOG.debug( refAndPage[0] + " not recognized as InterWiki link [document node: " + document + "]" );
081                final Object[] args = { refAndPage[ 0 ] };
082                final ResourceBundle rb = Preferences.getBundle( wikiContext, InternationalizationManager.CORE_BUNDLE );
083                final String errMsg = MessageFormat.format( rb.getString( "markupparser.error.nointerwikiref" ), args );
084                NodePostProcessorStateCommonOperations.makeError( state, link, errMsg );
085            }
086        } else {
087            link.setUrl( CharSubSequence.of( refAndPage[0] + ":" + refAndPage[1] ) );
088        }
089    }
090
091}