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.Attachment; 022import org.apache.wiki.api.core.Page; 023 024import java.io.IOException; 025 026/** 027 * Includes the body, if the current page is of proper type. 028 * 029 * <B>Attributes</B> 030 * <UL> 031 * <LI>type - either "page", "attachment" or "weblogentry" 032 * </UL> 033 * 034 * @since 2.0 035 */ 036public class PageTypeTag extends WikiTagBase { 037 038 private static final long serialVersionUID = 0L; 039 040 private String m_type; 041 042 @Override 043 public void initTag() { 044 super.initTag(); 045 m_type = null; 046 } 047 048 public void setType( final String arg ) 049 { 050 m_type = arg.toLowerCase(); 051 } 052 053 @Override 054 public final int doWikiStartTag() throws IOException { 055 final Page page = m_wikiContext.getPage(); 056 if( page != null ) { 057 if( m_type.equals( "attachment" ) && page instanceof Attachment ) { 058 return EVAL_BODY_INCLUDE; 059 } 060 if( m_type.equals( "page" ) && !( page instanceof Attachment ) ) { 061 return EVAL_BODY_INCLUDE; 062 } 063 if( m_type.equals( "weblogentry" ) && !( page instanceof Attachment ) && page.getName().contains( "_blogentry_" ) ) { 064 return EVAL_BODY_INCLUDE; 065 } 066 } 067 068 return SKIP_BODY; 069 } 070}