1 /* 2 * Copyright (C) 2015 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 package com.android.compatibility.common.deviceinfo; 17 18 import android.os.Environment; 19 import android.util.Log; 20 21 import com.android.compatibility.common.util.DeviceInfoStore; 22 23 import java.io.IOException; 24 import java.util.ArrayList; 25 import java.util.List; 26 import java.util.Scanner; 27 28 /** 29 * Storage device info collector. 30 */ 31 public class StorageDeviceInfo extends DeviceInfo { 32 private static final String TAG = "StorageDeviceInfo"; 33 34 @Override 35 protected void collectDeviceInfo(DeviceInfoStore store) throws Exception { 36 int total = 0; 37 total = Math.max(total, getContext().getExternalCacheDirs().length); 38 total = Math.max(total, getContext().getExternalFilesDirs(null).length); 39 total = Math.max( 40 total, getContext().getExternalFilesDirs(Environment.DIRECTORY_PICTURES).length); 41 total = Math.max(total, getContext().getObbDirs().length); 42 43 int emulated = 0; 44 int physical = 0; 45 if (Environment.isExternalStorageEmulated()) { 46 if (total == 1) { 47 emulated = 1; 48 } else { 49 emulated = 1; 50 physical = total - 1; 51 } 52 } else { 53 physical = total; 54 } 55 56 store.addResult("num_physical", physical); 57 store.addResult("num_emulated", emulated); 58 59 store.addListResult("raw_partition", scanPartitions()); 60 } 61 62 private List<String> scanPartitions() { 63 List<String> partitionList = new ArrayList<>(); 64 try { 65 Process df = new ProcessBuilder("df -k").start(); 66 Scanner scanner = new Scanner(df.getInputStream()); 67 try { 68 while (scanner.hasNextLine()) { 69 partitionList.add(scanner.nextLine()); 70 } 71 } finally { 72 scanner.close(); 73 } 74 } catch (Exception e) { 75 Log.w(TAG, Log.getStackTraceString(e)); 76 } 77 return partitionList; 78 } 79 80 } 81
