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 */ 019 package org.apache.wiki.tags; 020 021 import java.io.IOException; 022 023 import org.apache.wiki.WikiEngine; 024 import org.apache.wiki.WikiPage; 025 import org.apache.wiki.attachment.Attachment; 026 027 /** 028 * Returns the parent of the currently requested page. Weblog entries are recognized 029 * as subpages of the weblog page. 030 * 031 * @since 2.0 032 */ 033 public class ParentPageNameTag 034 extends WikiTagBase 035 { 036 private static final long serialVersionUID = 0L; 037 038 /** 039 * {@inheritDoc} 040 */ 041 @Override 042 public final int doWikiStartTag() 043 throws IOException 044 { 045 WikiEngine engine = m_wikiContext.getEngine(); 046 WikiPage page = m_wikiContext.getPage(); 047 048 if( page != null ) 049 { 050 if( page instanceof Attachment ) 051 { 052 pageContext.getOut().print( engine.beautifyTitle( ((Attachment)page).getParentName()) ); 053 } 054 else 055 { 056 String name = page.getName(); 057 058 int entrystart = name.indexOf("_blogentry_"); 059 060 if( entrystart != -1 ) 061 { 062 name = name.substring( 0, entrystart ); 063 } 064 065 int commentstart = name.indexOf("_comments_"); 066 067 if( commentstart != -1 ) 068 { 069 name = name.substring( 0, commentstart ); 070 } 071 072 pageContext.getOut().print( engine.beautifyTitle(name) ); 073 } 074 } 075 076 return SKIP_BODY; 077 } 078 }