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Jodd Proxetta is the fastest proxy creator with unique approach for defying pointcuts and advices.

There is a newer version: 6.0.1

// Copyright (c) 2003-2014, Jodd Team (jodd.org). All Rights Reserved.

package jodd.methref;

import jodd.proxetta.ProxyAdvice;
import jodd.proxetta.ProxyTarget;

import static jodd.proxetta.ProxyTarget.returnType;
import static jodd.proxetta.ProxyTarget.targetMethodName;

/**
 * Methref advice applied on all methods. It puts method name in
 * class variable that can be accessed later using reflection.
 */
public class MethrefAdvice implements ProxyAdvice {

	String methodName;

	/**
	 * Reads method name and stores it in local variable.
	 * For methods that return String returns the method name,
	 * otherwise returns null.
	 */
	public Object execute() {
		methodName = targetMethodName();

		Class returnType = returnType();

		if (returnType == String.class) {
			return ProxyTarget.returnValue(targetMethodName());
		}
		return ProxyTarget.returnValue(null);
	}

}