/*
* Copyright 2002-2010 the original author or authors.
*
* 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.springframework.web.portlet.mvc;
import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.EventRequest;
import javax.portlet.EventResponse;
import javax.portlet.PortletContext;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;
import javax.portlet.ResourceRequest;
import javax.portlet.ResourceResponse;
import org.springframework.web.portlet.HandlerAdapter;
import org.springframework.web.portlet.ModelAndView;
import org.springframework.web.portlet.context.PortletContextAware;
import org.springframework.web.portlet.util.PortletUtils;
/**
* Adapter to use the Controller workflow interface with the generic DispatcherPortlet.
*
* <p>This is an SPI class, not used directly by application code.
*
* @author Juergen Hoeller
* @author John A. Lewis
* @since 2.0
* @see org.springframework.web.portlet.DispatcherPortlet
* @see Controller
* @see ResourceAwareController
* @see EventAwareController
*/
public class SimpleControllerHandlerAdapter implements HandlerAdapter, PortletContextAware {
private PortletContext portletContext;
public void setPortletContext(PortletContext portletContext) {
this.portletContext = portletContext;
}
public boolean supports(Object handler) {
return (handler instanceof Controller);
}
public void handleAction(ActionRequest request, ActionResponse response, Object handler)
throws Exception {
((Controller) handler).handleActionRequest(request, response);
}
public ModelAndView handleRender(RenderRequest request, RenderResponse response, Object handler)
throws Exception {
return ((Controller) handler).handleRenderRequest(request, response);
}
public ModelAndView handleResource(ResourceRequest request, ResourceResponse response, Object handler)
throws Exception {
if (handler instanceof ResourceAwareController) {
return ((ResourceAwareController) handler).handleResourceRequest(request, response);
}
else {
// equivalent to Portlet 2.0 GenericPortlet
PortletUtils.serveResource(request, response, this.portletContext);
return null;
}
}
public void handleEvent(EventRequest request, EventResponse response, Object handler) throws Exception {
if (handler instanceof EventAwareController) {
((EventAwareController) handler).handleEventRequest(request, response);
}
else {
// if no event processing method was found just keep render params
response.setRenderParameters(request);
}
}
}
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