Examples of org.mojavemvc.views.View

org.mojavemvc.views.View

Represents the renderable view in the model-view-controller pattern. Users can create their own renderable views by implementing this class, and returning a concrete instance in an action method.
@author Luis Antunes

    public void plainTextEntityMarshallerHandlesMarshallAnnotation() {
        
        PlainTextEntityMarshaller m = new PlainTextEntityMarshaller();
        SimplePojo entity = new SimplePojo("test");
        AnnotatedPojo marshallable = new AnnotatedPojo(entity);
        View v = m.marshall(marshallable);
        assertTrue(v instanceof PlainText);
        assertEquals(new PlainText(entity).toString(), ((PlainText)v).toString());
    }

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    public void xmlEntityMarshallerHandlesMarshallAnnotation() {
        
        XMLEntityMarshaller m = new XMLEntityMarshaller();
        SimplePojo entity = new SimplePojo("test");
        AnnotatedPojo marshallable = new AnnotatedPojo(entity);
        View v = m.marshall(marshallable);
        assertTrue(v instanceof XML);
        assertEquals(new XML(entity).toString(), ((XML)v).toString());
    }

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    @Test
    public void handleError_NullException() throws Exception {


        ErrorHandler errorHandler = new DefaultErrorHandler();
        View view = errorHandler.handleError(null, properties);


        assertTrue(view instanceof PlainText);
        PlainText stackTrace = (PlainText) view;
        assertEquals("", stackTrace.toString());
    }

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    public void handleError_WithException() throws Exception {


        Exception e = new Exception("testing");
        
        ErrorHandler errorHandler = new DefaultErrorHandler();
        View view = errorHandler.handleError(e, properties);


        assertTrue(view instanceof PlainText);
        PlainText stackTrace = (PlainText) view;
        assertTrue(stackTrace.toString().startsWith("java.lang.Exception: testing"));
    }

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         * which means that Atmosphere annotation processing is done after
         * the resource method is processed--in fact, it must be, as 
         * org.mojavemvc.atmosphere.SuspendResponse is a possible return value 
         */
        
        View view = null;
        Object entity = ctx.getActionReturnValue();
        View marshalledEntity = ctx.getMarshalledReturnValue();
        
        if (SuspendResponse.class.isAssignableFrom(entity.getClass())) {
            view = doSuspendResponse(entity, req, resp, resource, useResumeAnnotation);
            /* don't process any annotations */
            /*

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    private View doSuspendResponse(Object entity, HttpServletRequest req, 
            HttpServletResponse res, AtmosphereResource resource, 
            boolean useResumeAnnotation) {
        
        View view = null;
        SuspendResponse<?> s = SuspendResponse.class.cast(entity);
        boolean resumeOnBroadcast = resumeOnBroadcast(s.resumeOnBroadcast(), req);


        for (AtmosphereResourceEventListener el : s.listeners()) {
            resource.addEventListener(el);

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            List<ClusterBroadcastFilter> clusterBroadcastFilters,
            long delay, int waitFor, 
            Class<? extends BroadcastFilter>[] filters, 
            boolean writeEntity, String topic, boolean resume) {
        
        View view = null;
        AtmosphereResource resource = (AtmosphereResource) req.getAttribute(SUSPENDED_RESOURCE);
        
        Broadcaster broadcaster = resource.getBroadcaster();
        Object msg = entity;
        if (entity instanceof Broadcastable) {

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        this.errorHandler = errorHandler;
    }


    public View process(String controller, String action, AppProperties properties) {


        View view;


        try {


            resolver.resolve(controller, action);

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    }


    private View invokeActionMethod(Object actionController, ActionSignature actionSignature, 
            Class<?> actionControllerClass) throws Exception {


        View view = null;


        Object[] args = actionSignature.getArgs(parameterMap, request.getInputStream());
        Annotation[] actionAnnotations = actionSignature.getAnnotations();


        List<Object> classInterceptors = createInterceptors(controllerDb.getInterceptorsFor(actionControllerClass));


        List<Object> methodInterceptors = createInterceptorsForAction(actionSignature, actionControllerClass);


        for (Object interceptor : classInterceptors) {


            view = invokeBeforeActionIfRequired(interceptor, actionAnnotations,
                    controllerDb.getBeforeActionMethodForInterceptor(interceptor.getClass()), args);
            if (view != null) {
                return view;
            }
        }


        for (Object interceptor : methodInterceptors) {


            view = invokeBeforeActionIfRequired(interceptor, actionAnnotations,
                    controllerDb.getBeforeActionMethodForInterceptor(interceptor.getClass()), args);
            if (view != null) {
                return view;
            }
        }


        view = invokeBeforeActionIfRequired(actionController, actionAnnotations,
                controllerDb.getBeforeActionMethodFor(actionControllerClass), args);


        if (view != null) {
            return view;
        }


        FastClass actionFastClass = controllerDb.getFastClass(actionControllerClass);
        Object entity = actionFastClass.invoke(actionSignature.fastIndex(), actionController, args);
        View marshalledEntity = actionSignature.marshall(entity);
        view = marshalledEntity;
        logger.debug("invoked " + actionSignature.methodName() + " for " + actionControllerClass.getName());


        View afterActionView = invokeAfterActionIfRequired(actionController, actionAnnotations,
                controllerDb.getAfterActionMethodFor(actionControllerClass), 
                args, entity, marshalledEntity);


        if (afterActionView != null) {
            view = afterActionView;
        }


        for (Object interceptor : methodInterceptors) {


            View interceptorView = invokeAfterActionIfRequired(interceptor, actionAnnotations,
                    controllerDb.getAfterActionMethodForInterceptor(interceptor.getClass()), 
                    args, entity, marshalledEntity);
            if (interceptorView != null) {
                view = interceptorView;
                break;
            }
        }


        for (Object interceptor : classInterceptors) {


            View interceptorView = invokeAfterActionIfRequired(interceptor, actionAnnotations,
                    controllerDb.getAfterActionMethodForInterceptor(interceptor.getClass()), 
                    args, entity, marshalledEntity);
            if (interceptorView != null) {
                view = interceptorView;
                break;

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    private View invokeBeforeOrAfterActionIfRequired(Object instance, Annotation[] actionAnnotations,
            ActionSignature interceptorMethod, Object[] actionArgs, Object entity, View marshalledEntity,
            String which) throws Exception {


        View view = null;


        if (interceptorMethod != null) {
            /*
             * we've already validated that there are no method parameters when
             * creating the controller database

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Related Classes of org.mojavemvc.views.View

org.mojavemvc.atmosphere.AtmosphereInterceptor

org.mojavemvc.core.HttpActionInvoker

org.mojavemvc.core.MojaveFramework

org.mojavemvc.core.RequestProcessor

org.mojavemvc.tests.jsp.controllers.JSPController

org.mojavemvc.tests.jsp.TestDefaultJSPErrorHandler

org.mojavemvc.tests.TestDefaultErrorHandler

org.mojavemvc.tests.TestEntityMarshallers

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