Examples of MethodAdvice

org.apache.tapestry5.ioc.MethodAdvice
For Tapestry IoC, Aspects provide a limited amount of advise, i.e., advising method invocations. That's the only join point available (method invocations of service interface methods); full AOP systems such as AspectJ can do much, much more, such as advising field access and even object construction. @see org.apache.tapestry5.ioc.services.AspectDecorator @deprecated Deprecated in 5.3, to be removed in 5.4. Use {@link org.apache.tapestry5.plastic.MethodAdvice}.
org.apache.tapestry5.plastic.MethodAdvice
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.

Examples of org.apache.tapestry5.ioc.MethodAdvice

        this.exceptionTracker = exceptionTracker;
    }


    public <T> T build(Class<T> serviceInterface, T delegate, String serviceId, final Logger logger)
    {
        MethodAdvice advice = new LoggingAdvice(logger, exceptionTracker);


        return aspectDecorator.build(serviceInterface, delegate, advice,
                                     String.format("<Logging interceptor for %s(%s)>", serviceId,
                                                   serviceInterface.getName()));
    }

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Examples of org.apache.tapestry5.ioc.MethodAdvice

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


        MethodAdvice advice = new MethodAdvice()
        {
            public void advise(Invocation invocation)
            {
                assertEquals(invocation.getMethodName(), "advised");

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Examples of org.apache.tapestry5.ioc.MethodAdvice

    @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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Examples of org.apache.tapestry5.ioc.MethodAdvice

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


        MethodAdvice advice = mockAdvice();


        replay();


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

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Examples of org.apache.tapestry5.ioc.MethodAdvice

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


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

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Examples of org.apache.tapestry5.ioc.MethodAdvice

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


        MethodAdvice advice = new MethodAdvice()
        {
            public void advise(Invocation invocation)
            {
                assertEquals(invocation.getMethodName(), "advised");

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Examples of org.apache.tapestry5.plastic.MethodAdvice

        final ConfigAttributeHolder confAttrHolder = createConfigAttributeDefinitionField(plasticClass, annotation);
        
        PlasticMethod beginRenderMethod = plasticClass.introduceMethod(TransformConstants.BEGIN_RENDER_DESCRIPTION);


        final SecurityChecker secChecker = this.securityChecker;
        MethodAdvice beginRenderAdvice = new MethodAdvice() {
          
          public void advise(MethodInvocation invocation) {
            
            invocation.proceed();
                final InterceptorStatusToken statusTokenVal = secChecker.checkBefore(confAttrHolder);
                final ComponentResources componentResources = invocation.getInstanceContext().get(ComponentResources.class);
            componentResources.storeRenderVariable(STATUS_TOKEN, statusTokenVal);            
            }
        };


        beginRenderMethod.addAdvice(beginRenderAdvice);


        // ---------------- END TRANSFORMATION ------------------------




        PlasticMethod cleanupRenderMethod = plasticClass.introduceMethod(TransformConstants.CLEANUP_RENDER_DESCRIPTION);


        MethodAdvice cleanupRenderAdvice = new MethodAdvice() {
          
          public void advise(MethodInvocation invocation) {
              invocation.proceed();


              final ComponentResources componentResources = invocation.getInstanceContext().get(ComponentResources.class);

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Examples of org.apache.tapestry5.plastic.MethodAdvice

        final Secured annotation = method.getAnnotation(Secured.class);
        //final String configField = createConfigAttributeDefinitionField(transformation, annotation);
        final ConfigAttributeHolder confAttrHolder = createConfigAttributeDefinitionField(plasticClass, annotation);


        final SecurityChecker secChecker = this.securityChecker;
        MethodAdvice securedMethodAdvice = new MethodAdvice() {
          
          public void advise(MethodInvocation invocation) {
            
              InterceptorStatusToken statusTokenVal = secChecker.checkBefore(confAttrHolder);
              tokenFieldHandle.set(invocation.getInstance(), statusTokenVal);

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Examples of org.apache.tapestry5.plastic.MethodAdvice

        {
            if (m.getAnnotation(CommitAfter.class) != null)
            {
                PersistenceContext annotation = receiver.getMethodAnnotation(m, PersistenceContext.class);


                MethodAdvice advice =
                        annotation == null ? shared : new CommitAfterMethodAdvice(manager, annotation);


                receiver.adviseMethod(m, advice);
            }
        }

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Examples of org.apache.tapestry5.plastic.MethodAdvice

        for (final PlasticMethod method : plasticClass
                .getMethodsWithAnnotation(CommitAfter.class))
        {
            PersistenceContext annotation = method.getAnnotation(PersistenceContext.class);


            MethodAdvice advice = annotation == null ? shared : new CommitAfterMethodAdvice(manager, annotation);


            method.addAdvice(advice);
        }
    }

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