Examples of org.apache.struts.action.ActionForm

org.apache.struts.action.ActionForm

An ActionForm is a JavaBean optionally associated with one or more ActionMappings. Such a bean will have had its properties initialized from the corresponding request parameters before the corresponding Action.execute method is called.

When the properties of this bean have been populated, but before the execute method of the Action is called, this bean's validate method will be called, which gives the bean a chance to verify that the properties submitted by the user are correct and valid. If this method finds problems, it returns an error messages object that encapsulates those problems, and the controller servlet will return control to the corresponding input form. Otherwise, the validate method returns null, indicating that everything is acceptable and the corresponding Action.execute method should be called.

This class must be subclassed in order to be instantiated. Subclasses should provide property getter and setter methods for all of the bean properties they wish to expose, plus override any of the public or protected methods for which they wish to provide modified functionality.

Because ActionForms are JavaBeans, subclasses should also implement Serializable, as required by the JavaBean specification. Some containers require that an object meet all JavaBean requirements in order to use the introspection API upon which ActionForms rely.
@version $Rev: 421119 $ $Date: 2005-11-12 08:14:24 -0500 (Sat, 12 Nov 2005)$

    InjectionAnnotationReader c = new InjectionAnnotationReader();
    ActionWithActionForm action = new ActionWithActionForm();


    c.readAnnotations(action.getClass());
    Map<String, InjectionWrapper> injectionHandlers = c.getInjectionMap();
    ActionForm actionForm = new SimpleForm();


    InjectionWrapper inputWrapper = injectionHandlers.get("actionForm");


    ActionContext injectionContext = new TestContextImpl(actionForm, null);
    inputWrapper.inject(action, injectionContext);

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    InjectionAnnotationReader c = new InjectionAnnotationReader();
    ActionWithActionForm action = new ActionWithActionForm();


    c.readAnnotations(action.getClass());
    Map<String, InjectionWrapper> injectionHandlers = c.getInjectionMap();
    ActionForm actionForm = new SimpleForm();
    DelegatingForm delegator = new DelegatingForm(actionForm);


    InjectionWrapper inputWrapper = injectionHandlers.get("actionForm");


    ActionContext injectionContext = new TestContextImpl(delegator, null);

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  {
    ServletActionContext sac = getActionContext();
    FormWrapper wrapper = newMock(FormWrapper.class);
    ProcessActionForm processActionForm = getProcessActionForm(wrapper);
    HttpServletRequest request = newMock(HttpServletRequest.class);
    ActionForm actionForm = newMock(ActionForm.class);
    DelegatingForm delegatingForm = new DelegatingForm(actionForm);


    expect(sac.getActionForm()).andReturn(actionForm);
    expect(sac.getRequest()).andReturn(request);

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  {
    ServletActionContext sac = getActionContext();
    FormPopulateSource formPopulateSource = newMock(FormPopulateSource.class);
    PopulateActionForm populateActionForm = getPopulateActionForm(formPopulateSource);
    ActionMapping actionConfig = newMock(ActionMapping.class);
    ActionForm actionForm = newMock(ActionForm.class);
    HttpServletRequest request = newMock(HttpServletRequest.class);


    expect(sac.getActionForm()).andReturn(actionForm);
    expect(sac.getRequest()).andReturn(request);
    expect(formPopulateSource.prePopulate(actionForm, request)).andReturn(actionForm);

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  {
    ServletActionContext sac = getActionContext();
    FormWrapper wrapper = newMock(FormWrapper.class);
    ProcessActionForm processActionForm = getProcessActionForm(wrapper);
    HttpServletRequest request = newMock(HttpServletRequest.class);
    ActionForm actionForm = newMock(ActionForm.class);


    expect(sac.getActionForm()).andReturn(actionForm);
    expect(sac.getRequest()).andReturn(request);
    expect(wrapper.wrapForm(actionForm, request)).andReturn(actionForm);
    sac.setActionForm(actionForm);

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    ControllerProcessorDelegate delegate = newMock(ControllerProcessorDelegate.class);
    ActionContextFactory factory = newMock(ActionContextFactory.class);
    ExecuteAction executeAction = getExecuteAction(delegate, factory);
    Action action = newMock(Action.class);
    ActionMapping actionConfig = newMock(ActionMapping.class);
    ActionForm actionForm = newMock(ActionForm.class);
    ActionContext actionContext = newMock(ActionContext.class);
    ActionForward forwardConfig = newMock(ActionForward.class);
    HttpServletRequest request = newMock(HttpServletRequest.class);
    HttpServletResponse response = newMock(HttpServletResponse.class);
    ServletContext servletContext = newMock(ServletContext.class);

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    SimpleStrutsForm form = new SimpleStrutsForm();
    DelegatingForm delegator = new DelegatingForm(form);


    FormPopulateSourceImpl delegate = new FormPopulateSourceImpl();
    
    ActionForm form1 = delegate.prePopulate(form, null);
    ActionForm form2 = delegate.prePopulate(delegator, null);


    assert form1 instanceof SimpleStrutsForm;
    assert form2 == form1;
    
  }

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public class ActionFormInjectionHandler implements InjectionHandler
{


  public Object getValue(ActionContext injectionContext)
  {
    ActionForm form = injectionContext.getForm();


    if (form instanceof WrappingForm)
    {
      WrappingForm wrapper = (WrappingForm) form;
      return wrapper.getWrappedForm();

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   */
  @Test
  public void testPostProcessActionForm2() throws Exception
  {
    FormWrapper delegate = createMock(FormWrapper.class);
    ActionForm form = new ActionForm()
    {


      private static final long serialVersionUID = 1L;
    };

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  public void testValidBindingForm4() throws Exception
  {
    HttpServletRequest request = createMock(HttpServletRequest.class);


    FormWrapper delegate = new ValidateBindFormWrapper();
    ActionForm actionForm = new SimpleStrutsForm();


    ControllerRequestProcessor processor = new ControllerRequestProcessor();
    processor.setFormHandler(delegate);


    assert (processor.postProcessActionForm(request, null, actionForm) == actionForm);

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