WeakAuthCallback.java

/*
 * Copyright (C) 2015 Twitter, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package com.digits.sdk.android;

import java.lang.ref.WeakReference;

class WeakAuthCallback {
    private final WeakReference<AuthCallback> callbackWeakReference;

    WeakAuthCallback(AuthCallback callback) {
        this.callbackWeakReference = new WeakReference<>(callback);
    }

    public void success(DigitsSession session, String phoneNumber) {
        final AuthCallback callback = callbackWeakReference.get();
        if (callback != null) {
            callback.success(session, phoneNumber);
        }
    }

    public void failure(DigitsException error) {
        final AuthCallback callback = callbackWeakReference.get();
        if (callback != null) {
            callback.failure(error);
        }
    }

    public AuthCallback getCallback() {
        return callbackWeakReference.get();
    }
}