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.Node; 023import com.vladsch.flexmark.util.ast.NodeTracker; 024import com.vladsch.flexmark.util.sequence.CharSubSequence; 025import org.apache.wiki.api.core.Context; 026import org.apache.wiki.markdown.nodes.JSPWikiLink; 027import org.apache.wiki.parser.LinkParsingOperations; 028 029 030/** 031 * {@link NodePostProcessorState} which further post processes image links. 032 */ 033public class ImageLinkNodePostProcessorState implements NodePostProcessorState< JSPWikiLink > { 034 035 private final boolean isLinkFromText; 036 private final String urlRef; 037 private final LinkParsingOperations linkOperations; 038 039 public ImageLinkNodePostProcessorState( final Context wikiContext, final String urlRef, final boolean isLinkFromText ) { 040 this.isLinkFromText = isLinkFromText; 041 this.urlRef = urlRef; 042 this.linkOperations = new LinkParsingOperations( wikiContext ); 043 } 044 045 /** 046 * {@inheritDoc} 047 * 048 * @see NodePostProcessorState#process(NodeTracker, Node) 049 */ 050 @Override 051 public void process( final NodeTracker state, final JSPWikiLink link ) { 052 final HtmlInline img = new HtmlInline( CharSubSequence.of( "<img class=\"inline\" " + 053 "src=\"" + urlRef + "\" " + 054 "alt=\"" + link.getText().toString() + "\" />" ) ); 055 if( ( isLinkFromText && linkOperations.isExternalLink( link.getText().toString() ) ) || 056 ( isLinkFromText && linkOperations.linkExists( link.getText().toString() ) ) ) { 057 link.setUrl( CharSubSequence.of( urlRef ) ); 058 link.removeChildren(); 059 link.appendChild( img ); 060 state.nodeAdded( img ); 061 } else { 062 NodePostProcessorStateCommonOperations.addContent( state, link, img ); 063 } 064 } 065 066}