/*
* 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 org.apache.myfaces.taglib.core;
import javax.faces.component.UIComponent;
import javax.faces.component.UINamingContainer;
import javax.faces.component.UIOutput;
import javax.faces.context.FacesContext;
import javax.faces.webapp.UIComponentELTag;
import org.apache.myfaces.application.jsp.ServletViewResponseWrapper;
/**
* @author Thomas Spiegl (latest modification by $Author: bommel $)
* @version $Revision: 1187700 $ $Date: 2011-10-22 07:19:37 -0500 (Sat, 22 Oct 2011) $
*/
public class SubviewTag extends UIComponentELTag
{
public SubviewTag()
{
super();
}
@Override
public String getComponentType()
{
return UINamingContainer.COMPONENT_TYPE;
}
@Override
public String getRendererType()
{
return null;
}
/**
* Creates a UIComponent from the BodyContent If a Subview is included via the <jsp:include> tag the corresponding
* jsp is rendered with getServletContext().getRequestDispatcher("includedSite").include(request,response) and it is
* possible that something was written to the Response direct. So is is necessary that the content of the wrapped
* response is added to the componenttree.
*
* @return UIComponent or null
*/
@Override
protected UIComponent createVerbatimComponentFromBodyContent()
{
UIOutput component = (UIOutput)super.createVerbatimComponentFromBodyContent();
FacesContext facesContext = FacesContext.getCurrentInstance();
Object response = facesContext.getExternalContext().getResponse();
String wrappedOutput;
if (response instanceof ServletViewResponseWrapper)
{
ServletViewResponseWrapper wrappedResponse = (ServletViewResponseWrapper)response;
wrappedOutput = wrappedResponse.toString();
if (wrappedOutput != null && wrappedOutput.length() > 0)
{
String componentvalue = null;
if (component != null)
{
// save the Value of the Bodycontent
componentvalue = (String)component.getValue();
}
component = super.createVerbatimComponent();
if (componentvalue != null)
{
component.setValue(wrappedOutput + componentvalue);
}
else
{
component.setValue(wrappedOutput);
}
wrappedResponse.reset();
}
}
return component;
}
}