| /* |
| * Copyright (C) 2018 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.server.backup.keyvalue; |
| |
| import android.app.backup.BackupTransport; |
| |
| import com.android.internal.util.Preconditions; |
| |
| /** |
| * The key-value backup task has failed, no more packages will be processed and we shouldn't attempt |
| * any more backups now. These can be caused by transport failures (as opposed to agent failures). |
| * |
| * @see KeyValueBackupTask |
| * @see AgentException |
| */ |
| class TaskException extends BackupException { |
| private static final int DEFAULT_STATUS = BackupTransport.TRANSPORT_ERROR; |
| |
| static TaskException stateCompromised() { |
| return new TaskException(/* stateCompromised */ true, DEFAULT_STATUS); |
| } |
| |
| static TaskException stateCompromised(Exception cause) { |
| if (cause instanceof TaskException) { |
| TaskException exception = (TaskException) cause; |
| return new TaskException(cause, /* stateCompromised */ true, exception.getStatus()); |
| } |
| return new TaskException(cause, /* stateCompromised */ true, DEFAULT_STATUS); |
| } |
| |
| static TaskException forStatus(int status) { |
| Preconditions.checkArgument( |
| status != BackupTransport.TRANSPORT_OK, "Exception based on TRANSPORT_OK"); |
| return new TaskException(/* stateCompromised */ false, status); |
| } |
| |
| static TaskException causedBy(Exception cause) { |
| if (cause instanceof TaskException) { |
| return (TaskException) cause; |
| } |
| return new TaskException(cause, /* stateCompromised */ false, DEFAULT_STATUS); |
| } |
| |
| static TaskException create() { |
| return new TaskException(/* stateCompromised */ false, DEFAULT_STATUS); |
| } |
| |
| private final boolean mStateCompromised; |
| private final int mStatus; |
| |
| private TaskException(Exception cause, boolean stateCompromised, int status) { |
| super(cause); |
| mStateCompromised = stateCompromised; |
| mStatus = status; |
| } |
| |
| private TaskException(boolean stateCompromised, int status) { |
| mStateCompromised = stateCompromised; |
| mStatus = status; |
| } |
| |
| boolean isStateCompromised() { |
| return mStateCompromised; |
| } |
| |
| int getStatus() { |
| return mStatus; |
| } |
| } |