/*
* Copyright 2004-2012 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.webflow.mvc.portlet;
import java.util.Map;
import javax.portlet.MimeResponse;
import javax.portlet.PortletContext;
import javax.portlet.PortletRequest;
import org.springframework.web.portlet.DispatcherPortlet;
import org.springframework.web.servlet.View;
import org.springframework.web.servlet.ViewRendererServlet;
import org.springframework.webflow.context.ExternalContext;
import org.springframework.webflow.execution.RequestContext;
import org.springframework.webflow.mvc.view.AbstractMvcView;
/**
* The Spring Web Portlet MVC view implementation.
*
* @author Keith Donald
* @author Scott Andrews
*/
public class PortletMvcView extends AbstractMvcView {
/**
* Creates a new Portlet MVC view.
* @param view the view to render
* @param context the current flow request context
*/
public PortletMvcView(org.springframework.web.servlet.View view, RequestContext context) {
super(view, context);
}
protected void doRender(Map<String, ?> model) throws Exception {
RequestContext context = getRequestContext();
ExternalContext externalContext = context.getExternalContext();
View view = getView();
PortletContext portletContext = (PortletContext) externalContext.getNativeContext();
PortletRequest request = (PortletRequest) externalContext.getNativeRequest();
MimeResponse response = (MimeResponse) externalContext.getNativeResponse();
if (response.getContentType() == null) {
// No Portlet content type specified yet -> use the view-determined type.
// (The Portlet spec requires the content type to be set on the RenderResponse)
String contentType = view.getContentType();
if (contentType != null) {
response.setContentType(contentType);
}
}
request.setAttribute(ViewRendererServlet.VIEW_ATTRIBUTE, view);
request.setAttribute(ViewRendererServlet.MODEL_ATTRIBUTE, model);
request.setAttribute(org.springframework.web.servlet.support.RequestContext.WEB_APPLICATION_CONTEXT_ATTRIBUTE,
context.getActiveFlow().getApplicationContext());
portletContext.getRequestDispatcher(DispatcherPortlet.DEFAULT_VIEW_RENDERER_URL).include(request, response);
}
}