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