/*
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 javax.servlet.jsp.JspException;
import javax.servlet.jsp.PageContext;
import javax.servlet.jsp.tagext.BodyContent;
import javax.servlet.jsp.tagext.BodyTagSupport;
import com.ecyrd.jspwiki.WikiContext;
import com.ecyrd.jspwiki.WikiPage;
import org.apache.log4j.Logger;
/**
* Converts the body text into HTML content.
*
* @since 2.0
*/
public class TranslateTag
extends BodyTagSupport
{
private static final long serialVersionUID = 0L;
static Logger log = Logger.getLogger( TranslateTag.class );
public final int doAfterBody()
throws JspException
{
try
{
WikiContext context = (WikiContext) pageContext.getAttribute( WikiTagBase.ATTR_CONTEXT,
PageContext.REQUEST_SCOPE );
//
// Because the TranslateTag should not affect any of the real page attributes
// we have to make a clone here.
//
context = context.deepClone();
//
// Get the page data.
//
BodyContent bc = getBodyContent();
String wikiText = bc.getString();
bc.clearBody();
if( wikiText != null )
{
wikiText = wikiText.trim();
String result = context.getEngine().textToHTML( context, wikiText );
getPreviousOut().write( result );
}
}
catch( Exception e )
{
log.error( "Tag failed", e );
throw new JspException( "Tag failed, check logs: "+e.getMessage() );
}
return SKIP_BODY;
}
}