1 /*
2  * Copyright (C) 2023 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package android.provider;
18 
19 import android.annotation.NonNull;
20 import android.annotation.SystemApi;
21 import android.os.Binder;
22 import android.os.ParcelFileDescriptor;
23 import android.os.RemoteException;
24 import android.os.ResultReceiver;
25 
26 import java.io.IOException;
27 import java.io.FileDescriptor;
28 import java.io.PrintWriter;
29 
30 /**
31  * Class that allows to pass shell commands sent to device_config service
32  * (provided in the platform) to the service provided by this mainline module.
33  *
34  * @hide
35  */
36 @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
37 public final class DeviceConfigShellCommandHandler {
DeviceConfigShellCommandHandler()38     private DeviceConfigShellCommandHandler() {
39         // fully static class
40     }
41 
42     /**
43      * Runs a shell command in the service defined in this module.
44      *
45      * @param inPfd standard input
46      * @param outPfd standard output
47      * @param errPfd standard error
48      * @param args arguments passed to the command. Can be empty. The first argument
49      *             is typically a subcommand, such as {@code run} for
50      *             {@code adb shell cmd jobscheduler run}.
51      * @return the status code returned from the {@code cmd} command.
52      */
handleShellCommand( @onNull ParcelFileDescriptor inPfd, @NonNull ParcelFileDescriptor outPfd, @NonNull ParcelFileDescriptor errPfd, @NonNull String[] args)53     static public int handleShellCommand(
54             @NonNull ParcelFileDescriptor inPfd,
55             @NonNull ParcelFileDescriptor outPfd,
56             @NonNull ParcelFileDescriptor errPfd,
57             @NonNull String[] args) {
58         Binder newBinder = (Binder) DeviceConfigInitializer
59                 .getDeviceConfigServiceManager()
60                 .getDeviceConfigUpdatableServiceRegisterer()
61                 .get();
62         return newBinder.handleShellCommand(inPfd, outPfd, errPfd, args);
63     }
64 }
65