Examples of javax.faces.el.MethodBinding

javax.faces.el.MethodBinding

MethodBinding is an object that can be used to call an arbitrary public method, on an instance that is acquired by evaluatng the leading portion of a method binding expression via a {@link ValueBinding}. An immutable {@link MethodBinding} for a particularmethod binding expression can be acquired by calling the createMethodBinding() method of the {@link javax.faces.application.Application} instance for this webapplication.
@deprecated This has been replaced by {@link javax.el.MethodExpression}.

    {
        FacesContext facesContext = FacesContext.getCurrentInstance();
        Application application = facesContext.getApplication();


        ActionSource actionSource = (ActionSource)actionEvent.getComponent();
        MethodBinding methodBinding = actionSource.getAction();


        String fromAction;
        String outcome;
        if (methodBinding == null)
        {
            fromAction = null;
            outcome = null;
        }
        else
        {
            fromAction = methodBinding.getExpressionString();
            try
            {
                outcome = (String) methodBinding.invoke(facesContext, null);
            }
            catch (EvaluationException e)
            {
                Throwable cause = e.getCause();
                if (cause != null && cause instanceof AbortProcessingException)

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            {
                throw new IllegalArgumentException("Component " + component.getClientId(context) + " is no EditableValueHolder");
            }
            if (isValueReference(validator))
            {
                MethodBinding mb = context.getApplication().createMethodBinding(validator,
                                                                                VALIDATOR_ARGS);
                ((EditableValueHolder)component).setValidator(mb);
            }
            else
            {

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        {
            if (!(component instanceof ActionSource))
            {
                throw new IllegalArgumentException("Component " + component.getClientId(context) + " is no ActionSource");
            }
            MethodBinding mb;
            if (isValueReference(action))
            {
                mb = context.getApplication().createMethodBinding(action, null);
            }
            else

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            {
                throw new IllegalArgumentException("Component " + component.getClientId(context) + " is no ActionSource");
            }
            if (isValueReference(actionListener))
            {
                MethodBinding mb = context.getApplication().createMethodBinding(actionListener,
                                                                                ACTION_LISTENER_ARGS);


                /**
                if(! Void.class.equals(mb.getType(context)))
                {

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            {
                throw new IllegalArgumentException("Component " + component.getClientId(context) + " is no EditableValueHolder");
            }
            if (isValueReference(valueChangedListener))
            {
                MethodBinding mb = context.getApplication().createMethodBinding(valueChangedListener,
                                                                                VALUE_LISTENER_ARGS);
                /**
                if(! Void.class.equals(mb.getType(context)))
                {
                    throw new IllegalArgumentException(

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      LOG.error("Wrong type: Need " + UIIn.class.getName() + ", but was " + component.getClass().getName());
      return;
    }


    final UIIn input = (UIIn) component;
    final MethodBinding methodBinding = input.getSuggestMethod();
    final AutoSuggestItems items
            = createAutoSuggestItems(methodBinding.invoke(facesContext, new Object[]{input}));
    final List<AutoSuggestItem> suggestItems = items.getItems();
    final TobagoResponseWriter writer = HtmlRendererUtils.getTobagoResponseWriter(facesContext);


    writer.startJavascript();

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      LOG.error("Wrong type: Need " + UIIn.class.getName() + ", but was " + component.getClass().getName());
      return;
    }


    final UIIn input = (UIIn) component;
    final MethodBinding methodBinding = input.getSuggestMethod();
    final AutoSuggestItems items
            = createAutoSuggestItems(methodBinding.invoke(facesContext, new Object[]{input}));
    final List<AutoSuggestItem> suggestItems = items.getItems();
    final TobagoResponseWriter writer = HtmlRendererUtils.getTobagoResponseWriter(facesContext);


    writer.startJavascript();

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                    context.addMessage(input.getClientId(context), facesMessage);
                }
            }
        }


        MethodBinding validatorBinding = input.getValidator();
        if (validatorBinding != null)
        {
            try
            {
                validatorBinding.invoke(context, new Object[] {context, input, convertedValue});
            }
            catch (EvaluationException e)
            {
                input.setValid(false);
                Throwable cause = e.getCause();

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    protected void setProperties(UIComponent component) {


        super.setProperties(component);
        if (action != null) {
            if (isValueReference(action)) {
                MethodBinding mb = FacesContext.getCurrentInstance().
                    getApplication().createMethodBinding(action, null);
                ((ActionSource) component).setAction(mb);
            } else {
                final String outcome = action;
                MethodBinding mb = new ConstantMethodBinding(outcome);
                ((ActionSource) component).setAction(mb);
            }
        }
        setStringAttribute(component, "accesskey", accesskey);
        setStringAttribute(component, "charset", charset);

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   * @deprecated since 2.0.0
   */
  @Deprecated
  public static void setStateChangeListenerMethodBinding(UIComponent component, String value, Class[] args) {
    if (value != null && UIComponentTag.isValueReference(value)) {
      MethodBinding methodBinding = FacesContext.getCurrentInstance().getApplication().createMethodBinding(value, args);
      ((SheetStateChangeSource) component).setStateChangeListener(methodBinding);
    }
  }

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