/**********************************************************************************
* $URL: https://source.sakaiproject.org/svn/metaobj/trunk/metaobj-util/tool-lib/src/java/org/sakaiproject/metaobj/utils/mvc/impl/servlet/ViewControllerImpl.java $
* $Id: ViewControllerImpl.java 105079 2012-02-24 23:08:11Z ottenhoff@longsight.com $
***********************************************************************************
*
* Copyright (c) 2004, 2005, 2006, 2008 The Sakai Foundation
*
* Licensed under the Educational Community 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.opensource.org/licenses/ECL-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.sakaiproject.metaobj.utils.mvc.impl.servlet;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.sakaiproject.component.cover.ComponentManager;
import org.sakaiproject.metaobj.utils.mvc.impl.ControllerFilterManager;
import org.sakaiproject.metaobj.utils.mvc.impl.HttpServletHelper;
import org.sakaiproject.metaobj.utils.mvc.intf.Controller;
import org.sakaiproject.metaobj.utils.mvc.intf.CustomCommandController;
import org.sakaiproject.metaobj.utils.mvc.intf.LoadObjectController;
import org.sakaiproject.metaobj.utils.mvc.intf.TypedPropertyEditor;
import org.springframework.validation.BindException;
import org.springframework.web.bind.ServletRequestDataBinder;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.AbstractCommandController;
/**
* Created by IntelliJ IDEA.
* User: John Ellis
* Date: Mar 30, 2004
* Time: 11:14:09 AM
* To change this template use File | Settings | File Templates.
*/
public class ViewControllerImpl extends AbstractCommandController {
private Controller controller = null;
private Map screenMappings = null;
private String homeName = null;
private List customTypedEditors = new ArrayList();
protected ModelAndView handle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse,
Object command, BindException errors) throws Exception {
Map request = HttpServletHelper.getInstance().createRequestMap(httpServletRequest);
Map session = HttpServletHelper.getInstance().createSessionMap(httpServletRequest);
Map application = HttpServletHelper.getInstance().createApplicationMap(httpServletRequest);
if (controller instanceof CustomCommandController) {
command = ((CustomCommandController) controller).formBackingObject(request, session, application);
}
if (command != null) {
ServletRequestDataBinder binder = createBinder(httpServletRequest, command);
binder.bind(httpServletRequest);
}
if (controller instanceof LoadObjectController) {
command = ((LoadObjectController) controller).fillBackingObject(command, request, session, application);
}
ModelAndView returnedMv = controller.handleRequest(command, request, session, application, errors);
if (returnedMv.getViewName() != null) {
// should get from mappings
String mappedView = (String) screenMappings.get(returnedMv.getViewName());
if (mappedView == null) {
mappedView = returnedMv.getViewName();
}
/*
if (controller instanceof ContextAwareController){
((ContextAwareController) controller).addContexts(getHelpManager().getActiveContexts(session), returnedMv.getModel(), mappedView);
} else {
getHelpManager().addContexts(session, mappedView);
}
getControllerFilterManager().processFilters(request, session, application, returnedMv, mappedView);
*/
returnedMv = new ModelAndView(mappedView, returnedMv.getModel());
}
HttpServletHelper.getInstance().reloadApplicationMap(httpServletRequest, application);
HttpServletHelper.getInstance().reloadSessionMap(httpServletRequest, session);
HttpServletHelper.getInstance().reloadRequestMap(httpServletRequest, request);
return returnedMv;
}
protected ControllerFilterManager getControllerFilterManager() {
return (ControllerFilterManager) ComponentManager.getInstance().get("controllerFilterManager");
}
protected ServletRequestDataBinder createBinder(HttpServletRequest request, Object command) throws Exception {
ServletRequestDataBinder binder = null;
binder = new ServletRequestBeanDataBinder(command, getCommandName());
initBinder(request, binder);
return binder;
}
/**
* Set up a custom property editor for the application's date format.
*/
protected void initBinder(HttpServletRequest request, ServletRequestDataBinder binder) {
for (Iterator i = getCustomTypedEditors().iterator(); i.hasNext();) {
TypedPropertyEditor editor = (TypedPropertyEditor) i.next();
binder.registerCustomEditor(editor.getType(), editor);
}
}
protected Object getCommand(HttpServletRequest request) throws Exception {
Object lightObject = null;
if (controller instanceof CustomCommandController) {
lightObject = ((CustomCommandController) controller).formBackingObject(HttpServletHelper.getInstance().createRequestMap(request),
HttpServletHelper.getInstance().createSessionMap(request),
HttpServletHelper.getInstance().createApplicationMap(request));
return lightObject;
}
if (super.getCommandClass() == null) {
return new Object();
}
return super.getCommand(request);
}
public Controller getController() {
return controller;
}
public void setController(Controller controller) {
this.controller = controller;
}
public Map getScreenMappings() {
return screenMappings;
}
public void setScreenMappings(Map screenMappings) {
this.screenMappings = screenMappings;
}
public String getHomeName() {
return homeName;
}
public void setHomeName(String homeName) {
this.homeName = homeName;
}
public List getCustomTypedEditors() {
return customTypedEditors;
}
public void setCustomTypedEditors(List customTypedEditors) {
this.customTypedEditors = customTypedEditors;
}
}