command:
public class RantsForVehicleController extends AbstractCommandController { public RantsForVehicleController() { setCommandClass(Vehicle.class); setCommandName("vehicle"); } protected ModelAndView handle(HttpServletRequest request, HttpServletResponse response, Object command, BindException errors) throws Exception { Vehicle vehicle = (Vehicle) command; List vehicleRants = rantService.getRantsForVehicle(vehicle)); Map model = errors.getModel(); model.put("rants",4 rantService.getRantsForVehicle(vehicle)); model.put("vehicle", vehicle); return new ModelAndView("vehicleRants", model); }
public AddRantFormController() { setCommandClass(Rant.class); setCommandName("rant"); } protected Object formBackingObject(HttpServletRequest request) throws Exception { Rant rantForm = (Rant) super.formBackingObject(request); rantForm.setVehicle(new Vehicle()); return rantForm; } protected Map referenceData(HttpServletRequest request) throws Exception { Map referenceData = new HashMap(); referenceData.put("states", ALL_STATES); return referenceData; } protected ModelAndView onSubmit(Object command, BindException bindException) throws Exception { Rant rant = (Rant) command; rantService.addRant(rant); return new ModelAndView(getSuccessView()); }
validator相关：
<bean id="addRantController" class="com.roadrantz.mvc.AddRantFormController"> <property name="formView" value="addRant" /> <property name="successView" value="rantAdded" /> <property name="rantService" ref="rantService" /> <property name="validator"> <bean class="com.roadrantz.mvc.RantValidator" /> </property></bean>
protected Object formBackingObject(HttpServletRequest request) throws Exception { Motorist formMotorist = new Motorist(); List<Vehicle> vehicles = new ArrayList<Vehicle>(); vehicles.add(new Vehicle()); formMotorist.setVehicles(vehicles); return formMotorist; } protected Map referenceData(HttpServletRequest request, Object command, Errors errors, int page) throws Exception { Motorist motorist = (motorist) command; Map refData = new HashMap(); if(page == 1 && request.getParameter("_target1") != null) { refData.put("nextVehicle", motorist.getVehicles().size() – 1); } return refData; } protected void postProcessPage(HttpServletRequest request, Object command, Errors errors, int page) throws Exception { Motorist motorist = (Motorist) command;
if(page == 1 && request.getParameter("_target1") != null) { motorist.getVehicles().add(new Vehicle()); } } protected ModelAndView processFinish(HttpServletRequest request, HttpServletResponse response, Object command, BindException errors) throws Exception { Motorist motorist = (motorist) command; // the last vehicle is always blank…remove it motorist.getVehicles().remove( motorist.getVehicles().size() – 1); rantService.addMotorist(motorist); return new ModelAndView(getSuccessView(), "motorist", motorist); } // injected private RantService rantService; public void setRantService(RantService rantService) { this.rantService = rantService; } // returns the last page as the success view private String getSuccessView() { return getPages()[getPages().length-1]; }
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没有人陪你走一辈子，所以你要适应孤独，
