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.NodeTracker; 022import org.apache.log4j.Logger; 023import org.apache.wiki.WikiContext; 024import org.apache.wiki.i18n.InternationalizationManager; 025import org.apache.wiki.markdown.nodes.JSPWikiLink; 026import org.apache.wiki.preferences.Preferences; 027import org.apache.wiki.render.RenderingManager; 028 029import java.text.MessageFormat; 030import java.util.ResourceBundle; 031 032 033/** 034 * {@link NodePostProcessorState} which further post processes metadata links. 035 */ 036public class MetadataLinkNodePostProcessorState implements NodePostProcessorState< JSPWikiLink > { 037 038 private static final Logger LOG = Logger.getLogger( MetadataLinkNodePostProcessorState.class ); 039 private final WikiContext wikiContext; 040 private final boolean m_wysiwygEditorMode; 041 042 public MetadataLinkNodePostProcessorState( final WikiContext wikiContext ) { 043 this.wikiContext = wikiContext; 044 final Boolean wysiwygVariable = ( Boolean )wikiContext.getVariable( RenderingManager.WYSIWYG_EDITOR_MODE ); 045 m_wysiwygEditorMode = wysiwygVariable != null ? wysiwygVariable.booleanValue() : false; 046 } 047 048 /** 049 * {@inheritDoc} 050 * 051 * @see NodePostProcessorState#process(NodeTracker, JSPWikiLink) 052 */ 053 @Override 054 public void process( final NodeTracker state, final JSPWikiLink link ) { 055 final String metadataLine = NodePostProcessorStateCommonOperations.inlineLinkTextOnWysiwyg( state, link, m_wysiwygEditorMode ); 056 try { 057 final String args = metadataLine.substring( metadataLine.indexOf(' '), metadataLine.length() - 1 ); 058 String name = args.substring( 0, args.indexOf( '=' ) ); 059 String val = args.substring( args.indexOf( '=' ) + 1, args.length() ); 060 061 name = name.trim(); 062 val = val.trim(); 063 064 if( val.startsWith( "'" ) ) { 065 val = val.substring( 1 ); 066 } 067 if( val.endsWith( "'" ) ) { 068 val = val.substring( 0, val.length()-1 ); 069 } 070 071 LOG.debug( "page=" + wikiContext.getRealPage().getName() + " SET name='" + name + "', value='" + val + "'" ); 072 073 if( name.length() > 0 && val.length() > 0 ) { 074 val = wikiContext.getEngine().getVariableManager().expandVariables( wikiContext, val ); 075 wikiContext.getPage().setAttribute( name, val ); 076 link.unlink(); 077 state.nodeRemoved( link ); 078 } 079 } catch( final Exception e ) { 080 final ResourceBundle rb = Preferences.getBundle( wikiContext, InternationalizationManager.CORE_BUNDLE ); 081 NodePostProcessorStateCommonOperations.makeError( state, link, 082 MessageFormat.format( rb.getString( "markupparser.error.invalidset" ), metadataLine ) ); 083 } 084 } 085 086}