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There is a newer version: 4.4.0

package de.thksystems.util.reflection;

import java.lang.reflect.Field;

import sun.misc.Unsafe;

/**
 * Access to the internal Unsafe class.
 * 
 * Use it only, if you really, really, really, really, really know, what you are doing.
 * 
 * It may not work with all java implementations.
 */
@SuppressWarnings("restriction")
public final class UnsafeUtils {

    private UnsafeUtils() {
    }

    /**
     * Gets the internal Unsafe class.
     */
    public static Unsafe getUnsafe() {
        try {
            Field unsafeField = Unsafe.class.getDeclaredField("theUnsafe");
            unsafeField.setAccessible(true);
            return (Unsafe) unsafeField.get(null);
        } catch (IllegalAccessException | NoSuchFieldException | SecurityException e) {
            return null;
        }
    }

}