| /* |
| * 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.print; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.os.RemoteException; |
| import android.os.ShellCommand; |
| import android.os.UserHandle; |
| import android.print.IPrintManager; |
| |
| import java.io.PrintWriter; |
| |
| /** |
| * Shell command implementation for the print manager service |
| */ |
| final class PrintShellCommand extends ShellCommand { |
| final @NonNull IPrintManager mService; |
| |
| PrintShellCommand(@NonNull IPrintManager service) { |
| mService = service; |
| } |
| |
| @Override |
| public int onCommand(@Nullable String cmd) { |
| if (cmd == null) { |
| return handleDefaultCommands(cmd); |
| } |
| switch (cmd) { |
| case "get-bind-instant-service-allowed": { |
| return runGetBindInstantServiceAllowed(); |
| } |
| case "set-bind-instant-service-allowed": { |
| return runSetBindInstantServiceAllowed(); |
| } |
| } |
| return -1; |
| } |
| |
| private int runGetBindInstantServiceAllowed() { |
| final Integer userId = parseUserId(); |
| if (userId == null) { |
| return -1; |
| } |
| try { |
| getOutPrintWriter().println( |
| Boolean.toString(mService.getBindInstantServiceAllowed(userId))); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| return 0; |
| } |
| |
| private int runSetBindInstantServiceAllowed() { |
| final Integer userId = parseUserId(); |
| if (userId == null) { |
| return -1; |
| } |
| final String allowed = getNextArgRequired(); |
| if (allowed == null) { |
| getErrPrintWriter().println("Error: no true/false specified"); |
| return -1; |
| } |
| try { |
| mService.setBindInstantServiceAllowed(userId, Boolean.parseBoolean(allowed)); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| return 0; |
| } |
| |
| private @Nullable Integer parseUserId() { |
| final String option = getNextOption(); |
| if (option != null) { |
| if (option.equals("--user")) { |
| return UserHandle.parseUserArg(getNextArgRequired()); |
| } else { |
| getErrPrintWriter().println("Unknown option: " + option); |
| return null; |
| } |
| } |
| return UserHandle.USER_SYSTEM; |
| } |
| |
| @Override |
| public void onHelp() { |
| PrintWriter pw = getOutPrintWriter(); |
| pw.println("Print service commands:"); |
| pw.println(" help"); |
| pw.println(" Print this help text."); |
| pw.println(" set-bind-instant-service-allowed [--user <USER_ID>] true|false "); |
| pw.println(" Set whether binding to print services provided by instant apps is " |
| + "allowed."); |
| pw.println(" get-bind-instant-service-allowed [--user <USER_ID>]"); |
| pw.println(" Get whether binding to print services provided by instant apps is " |
| + "allowed."); |
| } |
| } |