/**
* Creates a new {@link DefaultProcessorWrapper} with the given {@link ResourceProcessor}.
*
* @param processor must not be {@literal null}.
*/
public DefaultProcessorWrapper(ResourceProcessor<?> processor) {
Assert.notNull(processor);
this.processor = processor;
this.targetType =
ResolvableType.forClass(ResourceProcessor.class, processor.getClass()).getGeneric(0);
}
/**
* Creates a new {@link ResourceProcessorInvoker} to consider the given {@link ResourceProcessor}
* to post-process the controller methods return value to before invoking the delegate.
*
* @param processors the {@link ResourceProcessor}s to be considered, must not be {@literal null}.
*/
public ResourceProcessorInvoker(Collection<ResourceProcessor<?>> processors) {
Assert.notNull(processors, "ResourceProcessors must not be null!");
this.processors = new ArrayList<ProcessorWrapper>();
for (ResourceProcessor<?> processor : processors) {
ResolvableType processorType =
ResolvableType.forClass(ResourceProcessor.class, processor.getClass());
Class<?> rawType = processorType.getGeneric(0).resolve();
if (Resource.class.isAssignableFrom(rawType)) {
this.processors.add(new ResourceProcessorWrapper(processor));
} else if (Resources.class.isAssignableFrom(rawType)) {
this.processors.add(new ResourcesProcessorWrapper(processor));
} else {
this.processors.add(new DefaultProcessorWrapper(processor));
}
}
Collections.sort(this.processors, AnnotationAwareOrderComparator.INSTANCE);
}