| /* |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you under the Apache License, Version 2.0 (the |
| "License"); you may not use this file except in compliance |
| with the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, |
| software distributed under the License is distributed on an |
| "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| KIND, either express or implied. See the License for the |
| specific language governing permissions and limitations |
| under the License. |
| */ |
| package org.apache.wiki.markdown.extensions.jspwikilinks.postprocessor; |
| |
| import com.vladsch.flexmark.ast.Link; |
| import com.vladsch.flexmark.parser.PostProcessor; |
| import com.vladsch.flexmark.parser.block.NodePostProcessor; |
| import com.vladsch.flexmark.util.ast.Document; |
| import com.vladsch.flexmark.util.ast.Node; |
| import com.vladsch.flexmark.util.ast.NodeTracker; |
| import org.apache.commons.lang3.StringUtils; |
| import org.apache.oro.text.regex.Pattern; |
| import org.apache.wiki.WikiContext; |
| import org.apache.wiki.markdown.nodes.JSPWikiLink; |
| import org.apache.wiki.parser.LinkParsingOperations; |
| import org.apache.wiki.parser.MarkupParser; |
| import org.apache.wiki.util.TextUtil; |
| |
| import java.util.List; |
| |
| |
| /** |
| * {@link NodePostProcessor} to convert {@link Link}s into {@link JSPWikiLink}s. |
| * |
| * Acts as a factory of {@link NodePostProcessorState}, which are the classes generating the extra markup for each concrete type of link. |
| */ |
| public class JSPWikiLinkNodePostProcessor extends NodePostProcessor { |
| |
| protected final WikiContext m_context; |
| protected final LinkParsingOperations linkOperations; |
| private final boolean isImageInlining; |
| private final List< Pattern > inlineImagePatterns; |
| protected boolean m_useOutlinkImage = true; |
| protected final Document document; |
| |
| public JSPWikiLinkNodePostProcessor( final WikiContext m_context, |
| final Document document, |
| final boolean isImageInlining, |
| final List< Pattern > inlineImagePatterns ) { |
| this.m_context = m_context; |
| this.document = document; |
| linkOperations = new LinkParsingOperations( m_context ); |
| this.isImageInlining = isImageInlining; |
| this.inlineImagePatterns = inlineImagePatterns; |
| m_useOutlinkImage = m_context.getBooleanWikiProperty( MarkupParser.PROP_USEOUTLINKIMAGE, m_useOutlinkImage ); |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see PostProcessor#process(NodeTracker, Node) |
| */ |
| @Override |
| public void process( final NodeTracker state, final Node node ) { |
| if( node instanceof Link ) { |
| final JSPWikiLink link = replaceLinkWithJSPWikiLink( state, node ); |
| |
| final NodePostProcessorState< JSPWikiLink > linkPostProcessor; |
| if( linkOperations.isAccessRule( link.getUrl().toString() ) ) { |
| linkPostProcessor = new AccessRuleLinkNodePostProcessorState( m_context ); |
| } else if( linkOperations.isMetadata( link.getUrl().toString() ) ) { |
| linkPostProcessor = new MetadataLinkNodePostProcessorState( m_context ); |
| } else if( linkOperations.isPluginLink( link.getUrl().toString() ) ) { |
| linkPostProcessor = new PluginLinkNodePostProcessorState( m_context ); |
| } else if( linkOperations.isVariableLink( link.getUrl().toString() ) ) { |
| linkPostProcessor = new VariableLinkNodePostProcessorState( m_context ); |
| } else if( linkOperations.isExternalLink( link.getUrl().toString() ) ) { |
| linkPostProcessor = new ExternalLinkNodePostProcessorState( m_context, isImageInlining, inlineImagePatterns ); |
| } else if( linkOperations.isInterWikiLink( link.getUrl().toString() ) ) { |
| linkPostProcessor = new InterWikiLinkNodePostProcessorState( m_context, document, isImageInlining, inlineImagePatterns ); |
| } else if( StringUtils.startsWith( link.getUrl().toString(), "#" ) ) { |
| linkPostProcessor = new LocalFootnoteLinkNodePostProcessorState( m_context ); |
| } else if( TextUtil.isNumber( link.getUrl().toString() ) ) { |
| linkPostProcessor = new LocalFootnoteRefLinkNodePostProcessorState( m_context ); |
| } else { |
| linkPostProcessor = new LocalLinkNodePostProcessorState( m_context, isImageInlining, inlineImagePatterns ); |
| } |
| linkPostProcessor.process( state, link ); |
| } |
| } |
| |
| JSPWikiLink replaceLinkWithJSPWikiLink( final NodeTracker state, final Node node ) { |
| final JSPWikiLink link = new JSPWikiLink( ( Link )node ); |
| final Node previous = node.getPrevious(); |
| final Node parent = node.getParent(); |
| |
| link.takeChildren( node ); |
| node.unlink(); |
| |
| if( previous != null ) { |
| previous.insertAfter( link ); |
| } else if( parent != null ) { |
| parent.appendChild( link ); |
| } |
| |
| state.nodeRemoved( node ); |
| state.nodeAddedWithChildren( link ); |
| return link; |
| } |
| |
| } |