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