/*
* Copyright 2005 Joe Walker
*
* Licensed 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 org.directwebremoting.convert;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.directwebremoting.WebContext;
import org.directwebremoting.WebContextFactory;
import org.directwebremoting.extend.AbstractConverter;
import org.directwebremoting.extend.Converter;
import org.directwebremoting.extend.InboundVariable;
import org.directwebremoting.extend.NonNestedOutboundVariable;
import org.directwebremoting.extend.OutboundContext;
import org.directwebremoting.extend.OutboundVariable;
/**
* A converter that magics up HTTP objects
* @author Joe Walker [joe at getahead dot ltd dot uk]
*/
public class ServletConverter extends AbstractConverter implements Converter
{
/* (non-Javadoc)
* @see org.directwebremoting.Converter#convertInbound(java.lang.Class, org.directwebremoting.InboundVariable, org.directwebremoting.InboundContext)
*/
public Object convertInbound(Class<?> paramType, InboundVariable data)
{
WebContext webcx = WebContextFactory.get();
if (HttpServletRequest.class.isAssignableFrom(paramType))
{
return webcx.getHttpServletRequest();
}
if (HttpServletResponse.class.isAssignableFrom(paramType))
{
return webcx.getHttpServletResponse();
}
if (ServletConfig.class.isAssignableFrom(paramType))
{
return webcx.getServletConfig();
}
if (ServletContext.class.isAssignableFrom(paramType))
{
return webcx.getServletContext();
}
if (HttpSession.class.isAssignableFrom(paramType))
{
return webcx.getSession(true);
}
return null;
}
/* (non-Javadoc)
* @see org.directwebremoting.Converter#convertOutbound(java.lang.Object, org.directwebremoting.OutboundContext)
*/
public OutboundVariable convertOutbound(Object data, OutboundContext outctx)
{
return new NonNestedOutboundVariable("null");
}
}