Examples of org.mojavemvc.marshalling.EntityMarshaller

org.mojavemvc.marshalling.EntityMarshaller

Implementors of this interface provide a means for marshalling objects from a request body to an @Action method parameter, and to a View from an @Action method return value.

Implementors must provide a no-arg constructor, and ensure that the implementation is thread-safe, as only a single instance is likely to exist for all requests of the associated content types.

Implementations should also support marshalling embedded entities. Embedded entities can be achieved through either the {@link Marshallable} interface, orthrough the {@link org.mojavemvc.annotations.Marshall}annotation. An {@link EntityResolver} can be used tofacilitate this process.
@author Luis Antunes

            throw new ConfigurationException("mulitple action methods for " + httpMethod + " found; "
                    + "only one action method per HTTP method type is allowed in " + 
                    fastClass.getJavaClass().getName());
        }
        
        EntityMarshaller paramMarshaller = getParamEntityMarshaller(actionMethod, 
                fastClass.getJavaClass().getName());
        EntityMarshaller viewMarshaller = getViewEntityMarshaller(actionMethod, 
                fastClass.getJavaClass().getName());


        int fastIndex = fastClass.getIndex(actionMethod.getName(), actionMethod.getParameterTypes());


        ActionSignature sig = new HttpMethodActionSignature(httpMethod, fastIndex, actionMethod.getName(),

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            Map<String, ActionSignature> actionMap, FastClass fastClass, 
            String controllerVariable, boolean isDefaultController) {


        validateActionReturnType(method, fastClass.getJavaClass().getName());
        
        EntityMarshaller paramMarshaller = getParamEntityMarshaller(method, fastClass.getJavaClass().getName());
        EntityMarshaller viewMarshaller = getViewEntityMarshaller(method, fastClass.getJavaClass().getName());


        int fastIndex = fastClass.getIndex(method.getName(), method.getParameterTypes());


        ActionSignature sig = new BaseActionSignature(fastIndex, method.getName(), method.getParameterTypes(),
                method.getParameterAnnotations(), method.getDeclaredAnnotations(),

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        addRoute(method, fastClass.getJavaClass().getName(), controllerVariable, action, isDefaultController);
    }


    private EntityMarshaller getParamEntityMarshaller(Method method, String className) {
        
        EntityMarshaller paramMarshaller = new DefaultEntityMarshaller();
        Annotation[][] paramAnnotations = method.getParameterAnnotations();
        List<Entity> entityAnnotations = new ArrayList<Entity>();
        for (Annotation[] annotationsForParam : paramAnnotations) {
            for (Annotation annotation : annotationsForParam) {
                if (annotation instanceof Entity) {
                    entityAnnotations.add((Entity)annotation);
                }
            }
        }
        if (!entityAnnotations.isEmpty()) {
            
            if (entityAnnotations.size() > 1) {
                throw new ConfigurationException("action " + method.getName() + " in controller "
                        + className + " has more than one " + Entity.class.getName() + " annotation");
            }
            
            Expects expectsAnn = method.getAnnotation(Expects.class);
            if (expectsAnn == null) {
                throw new ConfigurationException("action " + method.getName() + " in controller "
                        + className + " has an " + Entity.class.getName() + " annotation, but no "
                        + Expects.class.getName() + " exists");
            }
            String contentType = expectsAnn.value();
            EntityMarshaller marshaller = entityMarshallerMap.get(contentType);
            if (marshaller != null) {
                paramMarshaller = marshaller;
            } else {
                logger.error("could not find parameter entity marshaller for content type " 
                        + contentType + " for action " + method.getName() + " in controller "

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        return paramMarshaller;
    }
    
    private EntityMarshaller getViewEntityMarshaller(Method method, String className) {
        
        EntityMarshaller viewMarshaller = new DefaultEntityMarshaller();
        
        Returns returnsAnnotation = method.getAnnotation(Returns.class);
        if (returnsAnnotation != null) {
            String contentType = returnsAnnotation.value();
            EntityMarshaller marshaller = entityMarshallerMap.get(contentType);
            if (marshaller != null) {
                viewMarshaller = marshaller;
            } else {
                logger.error("could not find view entity marshaller for content type " 
                        + contentType + " for action " + method.getName() + " in controller "

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            String controllerVariable, boolean isDefaultController) {


        validateActionOccursOnlyOnce(map, annotationClass, controllerClass);
        validateActionReturnType(method, controllerClass.getName());
        
        EntityMarshaller paramMarshaller = getParamEntityMarshaller(method, controllerClass.getName());
        EntityMarshaller viewMarshaller = getViewEntityMarshaller(method, controllerClass.getName());


        int fastIndex = fastClass.getIndex(method.getName(), method.getParameterTypes());


        ActionSignature sig = new DefaultActionSignature(fastIndex, method.getName(), method.getParameterTypes(),
                method.getParameterAnnotations(), method.getDeclaredAnnotations(),

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    private void addToEntityMarshallerMap(Class<? extends EntityMarshaller> customMarshaller, 
            Map<String, EntityMarshaller> marshallerMap) {
        
        Injector injector = (Injector)context.getAttribute(GuiceInitializer.KEY);
        EntityMarshaller marshaller = null;
        try {
            marshaller = injector.getInstance(customMarshaller);
        } catch (Exception e) {
            logger.error("error contructing entity marshaller " + customMarshaller.getName(), e);
        }

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org.mojavemvc.core.FrameworkInitializer

org.mojavemvc.core.MappedControllerDatabase

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