/*
* 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.jetspeed.container;
import javax.servlet.http.HttpServletResponse;
import org.apache.jetspeed.request.RequestContext;
import org.apache.jetspeed.container.state.MutableNavigationalState;
import org.apache.jetspeed.om.page.Page;
import org.apache.jetspeed.pipeline.PipelineException;
import org.apache.jetspeed.pipeline.valve.AbstractValve;
import org.apache.jetspeed.pipeline.valve.ValveContext;
import org.apache.pluto.om.window.PortletWindow;
/**
* Determines the action window in the current request If no action was found,
* sets the request context's action window to null denoting that there is no
* targeted action for this request otherwise the target action window is set
* here
*
* @author <a href="mailto:david@bluesunrise.com">David Sean Taylor</a>
* @version $Id: ContainerValve.java 554926 2007-07-10 13:12:26Z ate $
*/
public class ContainerValve extends AbstractValve
{
public void invoke(RequestContext request, ValveContext context) throws PipelineException
{
try
{
// create a session if not already created, necessary for Tomcat 5
request.getRequest().getSession(true);
// PortletContainerServices.prepare();
MutableNavigationalState state = (MutableNavigationalState)request.getPortalURL().getNavigationalState();
if (state != null)
{
boolean redirect = false;
Page page = request.getPage();
PortletWindow window = state.getPortletWindowOfResource();
if (window != null && page.getFragmentById(window.getId().toString()) == null)
{
// target window doesn't exists anymore or the target page is not accessible (anymore)
request.getResponse().sendError(HttpServletResponse.SC_NOT_FOUND);
return;
}
window = state.getPortletWindowOfAction();
if (window != null && page.getFragmentById(window.getId().toString()) == null)
{
// target window doesn't exists anymore or the target page is not accessible (anymore)
// remove any navigational state for the window
state.removeState(window);
// as this is an action request which cannot be handled, perform a direct redirect after sync state (for the other windows)
redirect = true;
}
window = state.getMaximizedWindow();
if (window != null && page.getFragmentById(window.getId().toString()) == null)
{
// target window doesn't exists anymore or the target page is not accessible (anymore)
// remove any navigational state for the window
state.removeState(window);
}
state.sync(request);
if (redirect)
{
// target page doesn't contain (anymore) the targeted windowOfAction
// this can also occur when a session is expired and the target page isn't accessible for the anonymous user
// Redirect the user back to the target page (with possibly retaining the other windows navigational state).
request.getResponse().sendRedirect(request.getPortalURL().getPortalURL());
return;
}
PortletWindow actionWindow = state.getPortletWindowOfAction();
if (null == actionWindow)
{
// set to null to denote that no action was requested
request.setActionWindow(null);
}
else
{
// set the requested action window
request.setActionWindow(actionWindow);
}
}
}
catch (Exception e)
{
throw new PipelineException(e);
}
// Pass control to the next Valve in the Pipeline
context.invokeNext(request);
}
public String toString()
{
return "ContainerValve";
}
}