/*
* Copyright 2004 The Apache Software Foundation.
*
* 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.apache.myfaces.taglib.core;
import javax.faces.webapp.UIComponentELTag;
import javax.faces.component.UIComponent;
import javax.faces.component.UINamingContainer;
import javax.faces.component.UIOutput;
import javax.faces.context.FacesContext;
import org.apache.myfaces.application.jsp.ViewResponseWrapper;
/**
* @author Thomas Spiegl (latest modification by $Author: matzew $)
* @version $Revision: 521670 $ $Date: 2007-03-23 12:04:26 +0100 (Fr, 23 Mrz 2007) $
*/
public class SubviewTag extends UIComponentELTag
{
public SubviewTag() {
super();
}
public String getComponentType()
{
return UINamingContainer.COMPONENT_TYPE;
}
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
*/
protected UIComponent createVerbatimComponentFromBodyContent() {
UIOutput component = (UIOutput) super.createVerbatimComponentFromBodyContent();
FacesContext facesContext = FacesContext.getCurrentInstance();
Object response = facesContext.getExternalContext().getResponse();
String wrappedOutput;
if (response instanceof ViewResponseWrapper)
{
ViewResponseWrapper wrappedResponse = (ViewResponseWrapper) response;
wrappedOutput = wrappedResponse.toString();
if (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;
}
}