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package com.sun.enterprise.deployment.annotation.handlers;

import java.lang.annotation.Annotation;
import java.lang.annotation.ElementType;
import java.lang.reflect.AnnotatedElement;
import java.util.ArrayList;
import java.util.List;

import javax.annotation.Resource;
import javax.annotation.Resources;

import com.sun.enterprise.deployment.annotation.AnnotatedElementHandler;
import com.sun.enterprise.deployment.annotation.AnnotationInfo;
import com.sun.enterprise.deployment.annotation.AnnotationProcessorException;
import com.sun.enterprise.deployment.annotation.HandlerProcessingResult;
import com.sun.enterprise.deployment.annotation.context.ResourceContainerContext;
import com.sun.enterprise.deployment.annotation.impl.AnnotationUtils;

/**
 * This handler is responsible for handling javax.annotation.Resources
 *
 */
public class ResourcesHandler extends ResourceHandler {
    
    public ResourcesHandler() {
    }

    /**
     * @return the annoation type this annotation handler is handling
     */
    public Class<? extends Annotation> getAnnotationType() {
        return Resources.class;
    }

    /**
     * This entry point is used both for a single @EJB and iteratively
     * from a compound @EJBs processor.
     */
    protected HandlerProcessingResult processAnnotation(AnnotationInfo ainfo,
            ResourceContainerContext[] rcContexts)
            throws AnnotationProcessorException {

        Resources resourcesAn = (Resources)ainfo.getAnnotation();
        
        Resource[] resourceAns = resourcesAn.value();
        List<HandlerProcessingResult> results = new ArrayList<HandlerProcessingResult>();
        
        for(Resource res : resourceAns) {
            results.add(processResource(ainfo, rcContexts, res));
        }

        return getOverallProcessingResult(results);
    }

}