Creates proxy (implementation) for given annotation type with given parameters. - Java java.lang.annotation

Java examples for java.lang.annotation:Annotation Parameter

  1. HOME
  2. Java
  3. java.lang.annotation
  4. Annotation Parameter

Description

Creates proxy (implementation) for given annotation type with given parameters.

Demo Code


import java.lang.annotation.Annotation;
import java.lang.reflect.AnnotatedElement;
import java.lang.reflect.Array;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;

public class Main{
    /**//from  w w  w  .  j  av  a2 s.co  m
     * Creates proxy (implementation) for given annotation type with given parameters.
     *
     * @param annotation the annotation type for which will be created proxy.
     * @param parameters the parameters (values) of annotation members.
     * @return The proxy (implementation) of given annotation type.
     */
    @SuppressWarnings("unchecked")
    public static <T extends Annotation> T getAnnotationProxy(
            Class<T> annotation, Map<String, Object> parameters) {
        Preconditions.checkArgument(annotation != null,
                "Annotation cannot be null");
        AnnotationProxy proxy = new AnnotationProxy(annotation, parameters);

        return (T) Proxy.newProxyInstance(annotation.getClassLoader(),
                new Class<?>[] { annotation, Annotation.class }, proxy);
    }
}

Related Tutorials