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.ast.HtmlInline;
022import com.vladsch.flexmark.util.ast.NodeTracker;
023import com.vladsch.flexmark.util.sequence.CharSubSequence;
024import org.apache.commons.text.StringEscapeUtils;
025import org.apache.wiki.WikiContext;
026import org.apache.wiki.api.exceptions.NoSuchVariableException;
027import org.apache.wiki.markdown.nodes.JSPWikiLink;
028import org.apache.wiki.render.RenderingManager;
029
030
031/**
032 * {@link NodePostProcessorState} which further post processes WikiVariable links.
033 */
034public class VariableLinkNodePostProcessorState implements NodePostProcessorState< JSPWikiLink > {
035
036    private final WikiContext wikiContext;
037    private final boolean m_wysiwygEditorMode;
038
039    public VariableLinkNodePostProcessorState( final WikiContext wikiContext ) {
040        this.wikiContext = wikiContext;
041        final Boolean wysiwygVariable = ( Boolean )wikiContext.getVariable( RenderingManager.WYSIWYG_EDITOR_MODE );
042        m_wysiwygEditorMode = wysiwygVariable != null ? wysiwygVariable.booleanValue() : false;
043    }
044
045    /**
046     * {@inheritDoc}
047     *
048     * @see NodePostProcessorState#process(NodeTracker, JSPWikiLink)
049     */
050    @Override
051    public void process( final NodeTracker state, final JSPWikiLink link ) {
052        final String variable = NodePostProcessorStateCommonOperations.inlineLinkTextOnWysiwyg( state, link, m_wysiwygEditorMode );
053        if( !m_wysiwygEditorMode ) {
054            try {
055                final String parsedVariable = wikiContext.getEngine().getVariableManager().parseAndGetValue( wikiContext, variable );
056                final HtmlInline content = new HtmlInline( CharSubSequence.of( StringEscapeUtils.escapeXml11( parsedVariable ) ) );
057                NodePostProcessorStateCommonOperations.addContent( state, link, content );
058            } catch( final NoSuchVariableException e ) {
059                NodePostProcessorStateCommonOperations.makeError( state, link, "No such variable: " + variable + " (" + e.getMessage() + ")" );
060            }
061        }
062    }
063
064}