Examples of org.apache.tapestry5.plastic.MethodAdvice

org.apache.tapestry5.services.FieldValidatorSource
MethodAdvice is a special callback that is threaded into the implementation of a method. The advice recieves a {@link MethodInvocation}, which gives the advice the ability to change parameters or return values or thrown exceptions. In many cases, new behavior is added around the method invocation with affecting it; common examples include logging, null checks, transaction management, or security checks.

    @Test
    public void method_not_in_service_interface() throws Exception
    {
        Subject delegate = mockSubject();


        MethodAdvice advice = mockAdvice();


        replay();


        AspectInterceptorBuilder<Subject> builder = decorator.createBuilder(Subject.class, delegate, "<Subject>");

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            {
                return input;
            }
        };


        MethodAdvice stripFirstLetter = new MethodAdvice()
        {
            public void advise(MethodInvocation invocation)
            {
                String param = (String) invocation.getParameter(0);


                invocation.setParameter(0, param.substring(1));


                invocation.proceed();
            }
        };


        MethodAdvice reverse = new MethodAdvice()
        {
            public void advise(MethodInvocation invocation)
            {
                String param = (String) invocation.getParameter(0);

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    @Test
    public void arrays_as_parameters_and_result()
    {
        ArraysSubject delegate = new ArraysSubjectImpl();


        MethodAdvice advice = new MethodAdvice()
        {
            public void advise(MethodInvocation invocation)
            {
                String[] param = (String[]) invocation.getParameter(0);

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        if (model.getComponentClassName().equals(Form.class.getName()) ||
                model.getComponentClassName().equals(FormFragment.class.getName()))
        {
            PlasticMethod setupRender = plasticClass.introduceMethod(TransformConstants.SETUP_RENDER_DESCRIPTION);


            setupRender.addAdvice(new MethodAdvice()
            {
                public void advise(MethodInvocation invocation)
                {
                    javaScriptSupport.importStack(BeanValidatorStack.STACK_ID);

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        map.put("alpha", validator);
        map.put("beta", validator);


        replay();


        FieldValidatorSource source = new FieldValidatorSourceImpl(messagesSource, coercer, null, map, null);


        try
        {
            source.createValidator(field, "foo", null);
            unreachable();
        }
        catch (IllegalArgumentException ex)
        {
            assertEquals(ex.getMessage(), "Unknown validator type 'foo'.  Configured validators are alpha, beta.");

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        train_getValueType(validator, Object.class);
        validator.validate(field, null, formatter, inputValue);


        replay();


        FieldValidatorSource source = new FieldValidatorSourceImpl(messagesSource, coercer, fs, map, null);


        FieldValidator fieldValidator = source.createValidator(field, "required", null);


        fieldValidator.validate(inputValue);


        verify();
    }

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        train_getValueType(validator, Object.class);
        validator.validate(field, null, formatter, inputValue);


        replay();


        FieldValidatorSource source = new FieldValidatorSourceImpl(messagesSource, coercer, fs, map, null);


        FieldValidator fieldValidator = source.createValidator(field, "required", null);


        fieldValidator.validate(inputValue);


        verify();
    }

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        train_getValueType(validator, Object.class);
        validator.validate(field, null, formatter, inputValue);


        replay();


        FieldValidatorSource source = new FieldValidatorSourceImpl(messagesSource, coercer, fs, map, null);


        FieldValidator fieldValidator = source.createValidator(field, "required", null);


        fieldValidator.validate(inputValue);


        verify();
    }

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        ValidatorMacro macro = mockValidatorMacro();
        train_alwaysNull(macro);


        replay();


        FieldValidatorSource source = new FieldValidatorSourceImpl(messagesSource, coercer, fs, map, macro);


        FieldValidator fieldValidator = source.createValidators(field, "minlength");


        fieldValidator.validate(inputValue);


        verify();
    }

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        ValidatorMacro macro = mockValidatorMacro();
        train_alwaysNull(macro);


        replay();


        FieldValidatorSource source = new FieldValidatorSourceImpl(messagesSource, coercer, fs, map, macro);


        FieldValidator fieldValidator = source.createValidators(field, "minlength");


        fieldValidator.validate(inputValue);


        verify();
    }

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