/*
* $Header: /home/cvs/jakarta-struts/src/tiles-documentation/org/apache/struts/webapp/tiles/test/TestActionTileAction.java,v 1.2 2002/11/16 04:58:47 jmitchell Exp $
* $Revision: 1.2 $
* $Date: 2002/11/16 04:58:47 $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999-2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Struts", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
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*/
package org.apache.struts.webapp.tiles.test;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.tiles.ComponentContext;
import org.apache.struts.tiles.ComponentDefinition;
import org.apache.struts.tiles.DefinitionsFactoryException;
import org.apache.struts.tiles.DefinitionsUtil;
import org.apache.struts.tiles.FactoryNotFoundException;
import org.apache.struts.tiles.NoSuchDefinitionException;
/**
* Implementation of <strong>Action</strong> that populates an instance of
* <code>SubscriptionForm</code> from the currently specified subscription.
*
* @author Craig R. McClanahan
* @author Cedric Dumoulin
* @version $Revision: 1.2 $ $Date: 2002/11/16 04:58:47 $
*/
public final class TestActionTileAction extends Action {
// --------------------------------------------------------- Public Methods
/**
* Process the specified HTTP request, and create the corresponding HTTP
* response (or forward to another web component that will create it).
* Return an <code>ActionForward</code> instance describing where and how
* control should be forwarded, or <code>null</code> if the response has
* already been completed.
*
* @param servlet The ActionServlet making this request
* @param mapping The ActionMapping used to select this instance
* @param actionForm The optional ActionForm bean for this request (if any)
* @param request The HTTP request we are processing
* @param response The HTTP response we are creating
*
* @exception IOException if an input/output error occurs
* @exception ServletException if a servlet exception occurs
*/
public ActionForward perform(
ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
throws IOException, ServletException {
// Try to retrieve tile context
ComponentContext context = ComponentContext.getContext( request );
if( context == null )
{
request.setAttribute( "actionError", "Can't get component context.");
return (mapping.findForward("failure"));
}
// Get requested test from tile parameter
String param;
// Set a definition in this action
param = (String)context.getAttribute( "set-definition-name" );
if( param != null )
{
try
{
// Read definition from factory, but we can create it here.
ComponentDefinition definition = DefinitionsUtil.getDefinition( param, request, getServlet().getServletContext() );
//definition.putAttribute( "attributeName", "aValue" );
DefinitionsUtil.setActionDefinition( request, definition);
}
catch( FactoryNotFoundException ex )
{
request.setAttribute( "actionError", "Can't get definition factory.");
return (mapping.findForward("failure"));
}
catch( NoSuchDefinitionException ex )
{
request.setAttribute( "actionError", "Can't get definition '" + param +"'.");
return (mapping.findForward("failure"));
}
catch( DefinitionsFactoryException ex )
{
request.setAttribute( "actionError", "General error '" + ex.getMessage() +"'.");
return (mapping.findForward("failure"));
}
}
// Overload a parameter
param = (String)context.getAttribute( "set-attribute" );
if( param != null )
{
context.putAttribute( param, context.getAttribute( "set-attribute-value" ));
} // end if
return (mapping.findForward("success"));
}
}