/*
* $Id: TestActionTileAction.java 54929 2004-10-16 16:38:42Z germuska $
*
* Copyright 1999-2004 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.struts.webapp.tiles.test;
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.
*
* @version $Rev: 54929 $ $Date: 2004-10-16 17:38:42 +0100 (Sat, 16 Oct 2004) $
*/
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 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 Exception if the application business logic throws
* an exception
*/
public ActionForward execute(
ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
throws Exception {
// 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"));
}
}