    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 org.apache.wiki.api.core.Context;
    024import org.apache.wiki.api.exceptions.NoSuchVariableException;
    025import org.apache.wiki.markdown.nodes.JSPWikiLink;
    026import org.apache.wiki.variables.VariableManager;
    027
    028
    029/**
    030 * {@link NodePostProcessorState} which further post processes WikiVariable links.
    031 */
    032public class VariableLinkNodePostProcessorState implements NodePostProcessorState< JSPWikiLink > {
    033
    034    private final Context wikiContext;
    035    private final boolean m_wysiwygEditorMode;
    036
    037    public VariableLinkNodePostProcessorState( final Context wikiContext ) {
    038        this.wikiContext = wikiContext;
    039        final Boolean wysiwygVariable = wikiContext.getVariable( Context.VAR_WYSIWYG_EDITOR_MODE );
    040        m_wysiwygEditorMode = wysiwygVariable != null && wysiwygVariable;
    041    }
    042
    043    /**
    044     * {@inheritDoc}
    045     *
    046     * @see NodePostProcessorState#process(NodeTracker, Node)
    047     */
    048    @Override
    049    public void process( final NodeTracker state, final JSPWikiLink link ) {
    050        final String variable = NodePostProcessorStateCommonOperations.inlineLinkTextOnWysiwyg( state, link, m_wysiwygEditorMode );
    051        if( !m_wysiwygEditorMode ) {
    052            try {
    053                final String parsedVariable = wikiContext.getEngine().getManager( VariableManager.class ).parseAndGetValue( wikiContext, variable );
    054                final WikiHtmlInline content = WikiHtmlInline.of( parsedVariable, wikiContext );
    055                NodePostProcessorStateCommonOperations.addContent( state, link, content );
    056            } catch( final NoSuchVariableException e ) {
    057                NodePostProcessorStateCommonOperations.makeError( state, link, "No such variable: " + variable + " (" + e.getMessage() + ")" );
    058            }
    059        }
    060    }
    061
    062}