/*
JSPWiki - a JSP-based WikiWiki clone.
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
*/
package com.ecyrd.jspwiki.tags;
import java.io.IOException;
import com.ecyrd.jspwiki.WikiEngine;
import com.ecyrd.jspwiki.WikiPage;
import com.ecyrd.jspwiki.providers.ProviderException;
/**
* Includes the body in case there is no such page available.
*
* @since 2.0
*/
public class NoSuchPageTag
extends WikiTagBase
{
private static final long serialVersionUID = 0L;
private String m_pageName;
public void initTag()
{
super.initTag();
m_pageName = null;
}
public void setPage( String name )
{
m_pageName = name;
}
public String getPage()
{
return m_pageName;
}
public int doWikiStartTag()
throws IOException,
ProviderException
{
WikiEngine engine = m_wikiContext.getEngine();
WikiPage page;
if( m_pageName == null )
{
page = m_wikiContext.getPage();
}
else
{
page = engine.getPage( m_pageName );
}
// System.out.println("Checking "+page);
if( page != null && engine.pageExists( page.getName(), page.getVersion() ) )
{
return SKIP_BODY;
}
return EVAL_BODY_INCLUDE;
}
}