ClassLoaderAwareInvocationHandler.java

package com.hortonworks.registries.common.util;

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;

public class ClassLoaderAwareInvocationHandler implements InvocationHandler {
    private final ClassLoader classLoader;
    private final Object actualObject;

    public ClassLoaderAwareInvocationHandler(ClassLoader classLoader, Object actualObject) {
        this.classLoader = classLoader;
        this.actualObject = actualObject;
    }

    @Override
    public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
        ClassLoader oldCl = Thread.currentThread().getContextClassLoader();
        try {
            Thread.currentThread().setContextClassLoader(classLoader);
            return method.invoke(actualObject, args);
        } finally {
            Thread.currentThread().setContextClassLoader(oldCl);
        }
    }
}