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.tags; 020 021import java.io.IOException; 022 023import org.apache.wiki.WikiEngine; 024import org.apache.wiki.WikiPage; 025import org.apache.wiki.i18n.InternationalizationManager; 026import org.apache.wiki.parser.MarkupParser; 027import org.apache.wiki.parser.WikiDocument; 028import org.apache.wiki.preferences.Preferences; 029import org.apache.wiki.render.RenderingManager; 030import org.apache.wiki.util.TextUtil; 031 032/** 033 * Writes the author name of the current page, including a link to that page, 034 * if that page exists. 035 * 036 * @since 2.0 037 */ 038public class AuthorTag 039 extends WikiTagBase 040{ 041 private static final long serialVersionUID = 0L; 042 043 044 public String m_format = ""; 045 046 public void setFormat( String format ) 047 { 048 m_format = format; //empty or "plain" 049 } 050 051 /** 052 * {@inheritDoc} 053 */ 054 @Override 055 public final int doWikiStartTag() 056 throws IOException 057 { 058 WikiEngine engine = m_wikiContext.getEngine(); 059 WikiPage page = m_wikiContext.getPage(); 060 061 String author = page.getAuthor(); 062 063 if( author != null && author.length() > 0 ) 064 { 065 author = TextUtil.replaceEntities(author); 066 067 if( engine.pageExists(author) && !( "plain".equalsIgnoreCase( m_format ) ) ) 068 { 069 // FIXME: It's very boring to have to do this. 070 // Slow, too. 071 072 RenderingManager mgr = engine.getRenderingManager(); 073 074 MarkupParser p = mgr.getParser( m_wikiContext, "["+author+"|"+author+"]" ); 075 076 WikiDocument d = p.parse(); 077 078 author = mgr.getHTML( m_wikiContext, d ); 079 } 080 081 pageContext.getOut().print( author ); 082 } 083 else 084 { 085 pageContext.getOut().print( Preferences.getBundle( m_wikiContext, InternationalizationManager.CORE_BUNDLE ) 086 .getString( "common.unknownauthor" ) ); 087 } 088 089 return SKIP_BODY; 090 } 091}