| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * 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.android.internal.telephony.uicc.euicc.async; |
| |
| import android.annotation.Nullable; |
| import android.os.Handler; |
| |
| /** |
| * Helper on {@link AsyncResultCallback}. |
| * |
| * @hide |
| */ |
| public final class AsyncResultHelper { |
| /** |
| * Calls the {@code callback} to return the {@code result} object. The {@code callback} will be |
| * run in the {@code handler}. If the {@code handler} is null, the callback will be called |
| * immediately. |
| * |
| * @param <T> Result type. |
| */ |
| public static <T> void returnResult( |
| final T result, final AsyncResultCallback<T> callback, @Nullable Handler handler) { |
| if (handler == null) { |
| callback.onResult(result); |
| } else { |
| handler.post( |
| new Runnable() { |
| @Override |
| public void run() { |
| callback.onResult(result); |
| } |
| }); |
| } |
| } |
| |
| /** |
| * Calls the {@code callback} to return the thrown {@code e} exception. The {@code callback} |
| * will be run in the {@code handler}. If the {@code handler} is null, the callback will be |
| * called immediately. |
| */ |
| public static void throwException( |
| final Throwable e, final AsyncResultCallback<?> callback, @Nullable Handler handler) { |
| if (handler == null) { |
| callback.onException(e); |
| } else { |
| handler.post( |
| new Runnable() { |
| @Override |
| public void run() { |
| callback.onException(e); |
| } |
| }); |
| } |
| } |
| |
| private AsyncResultHelper() {} |
| } |