Clean up StaticInnerHandlerWrapper a bit

import java.lang.ref.WeakReference;

public class StaticInnerHandlerWrapper<T> extends Handler {

    final private WeakReference<T> mOuterInstanceRef;

    private final WeakReference<T> mOuterInstanceRef;

    public StaticInnerHandlerWrapper(T outerInstance) {

        super();

        if (outerInstance == null) throw new NullPointerException("outerInstance is null");

        mOuterInstanceRef = new WeakReference<T>(outerInstance);

    public StaticInnerHandlerWrapper(final T outerInstance) {

        this(outerInstance, Looper.myLooper());

    }

    public StaticInnerHandlerWrapper(T outerInstance, Looper looper) {

    public StaticInnerHandlerWrapper(final T outerInstance, final Looper looper) {

        super(looper);

        if (outerInstance == null) throw new NullPointerException("outerInstance is null");

        if (outerInstance == null) {

            throw new NullPointerException("outerInstance is null");

        }

        mOuterInstanceRef = new WeakReference<T>(outerInstance);

    }