IsSupportedAnnotationPredicate.java

package org.needle4j.predicate;

import java.lang.annotation.Annotation;

import org.needle4j.common.Predicate;
import org.needle4j.injection.InjectionConfiguration;

/**
 * Evaluates if an annotation is supported.
 * 
 * @author Jan Galinski, Holisticon AG
 */
public class IsSupportedAnnotationPredicate implements Predicate<Annotation> {

    private final InjectionConfiguration configuration;

    public IsSupportedAnnotationPredicate(InjectionConfiguration configuration) {
        this.configuration = configuration;
    }

    @Override
    public boolean apply(Annotation annotation) {
        return configuration.isAnnotationSupported(annotation.annotationType());
    }

    /**
     * @param annotations
     *            list of annotations
     * @return true if apply() returns true for at least one annotation
     */
    public boolean applyAny(Annotation... annotations) {
        for (final Annotation annotation : annotations) {
            if (apply(annotation)) {
                return true;
            }
        }
        return false;
    }
}