/*
* Copyright 2000-2014 Vaadin Ltd.
*
* 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 com.vaadin.server.communication;
import java.io.IOException;
import javax.portlet.PortletResponse;
import javax.portlet.StateAwareResponse;
import com.vaadin.server.RequestHandler;
import com.vaadin.server.VaadinPortletResponse;
import com.vaadin.server.VaadinRequest;
import com.vaadin.server.VaadinResponse;
import com.vaadin.server.VaadinSession;
/**
* Handler which ensures that Action and Event requests are marked as handled
* and do not cause a 404 to be sent.
*
* @since 7.1
* @author Vaadin Ltd
*/
public class PortletStateAwareRequestHandler implements RequestHandler {
/*
* (non-Javadoc)
*
* @see com.vaadin.server.RequestHandler#handleRequest(com.vaadin.server.
* VaadinSession, com.vaadin.server.VaadinRequest,
* com.vaadin.server.VaadinResponse)
*/
@Override
public boolean handleRequest(VaadinSession session, VaadinRequest request,
VaadinResponse response) throws IOException {
if (!(response instanceof VaadinPortletResponse)) {
return false;
}
PortletResponse portletResponse = ((VaadinPortletResponse) response)
.getPortletResponse();
if (portletResponse instanceof StateAwareResponse) {
// StateAwareResponse is fully handled by listeners through
// PortletListenerNotifier
return true;
}
return false;
}
}