Jeff Sharkey | 0078e1b | 2017-01-11 16:05:27 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 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.content.pm; |
| 18 | |
| 19 | import android.content.res.AssetManager; |
| 20 | import android.content.res.Resources; |
| 21 | import android.os.SystemProperties; |
| 22 | import android.util.ArrayMap; |
| 23 | import android.util.Log; |
| 24 | |
| 25 | import java.io.BufferedReader; |
| 26 | import java.io.IOException; |
| 27 | import java.io.InputStreamReader; |
| 28 | |
| 29 | /** |
| 30 | * Class that provides fallback values for {@link ApplicationInfo#category}. |
| 31 | * |
| 32 | * @hide |
| 33 | */ |
| 34 | public class FallbackCategoryProvider { |
| 35 | private static final String TAG = "FallbackCategoryProvider"; |
| 36 | |
| 37 | private static final ArrayMap<String, Integer> sFallbacks = new ArrayMap<>(); |
| 38 | |
| 39 | public static void loadFallbacks() { |
| 40 | sFallbacks.clear(); |
| 41 | if (SystemProperties.getBoolean("fw.ignore_fb_categories", false)) { |
| 42 | Log.d(TAG, "Ignoring fallback categories"); |
| 43 | return; |
| 44 | } |
| 45 | |
| 46 | final AssetManager assets = new AssetManager(); |
| 47 | assets.addAssetPath("/system/framework/framework-res.apk"); |
| 48 | final Resources res = new Resources(assets, null, null); |
| 49 | |
| 50 | try (BufferedReader reader = new BufferedReader(new InputStreamReader( |
| 51 | res.openRawResource(com.android.internal.R.raw.fallback_categories)))) { |
| 52 | String line; |
| 53 | while ((line = reader.readLine()) != null) { |
| 54 | if (line.charAt(0) == '#') continue; |
| 55 | final String[] split = line.split(","); |
| 56 | if (split.length == 2) { |
| 57 | sFallbacks.put(split[0], Integer.parseInt(split[1])); |
| 58 | } |
| 59 | } |
| 60 | Log.d(TAG, "Found " + sFallbacks.size() + " fallback categories"); |
| 61 | } catch (IOException | NumberFormatException e) { |
| 62 | Log.w(TAG, "Failed to read fallback categories", e); |
| 63 | } |
| 64 | } |
| 65 | |
| 66 | public static int getFallbackCategory(String packageName) { |
| 67 | return sFallbacks.getOrDefault(packageName, ApplicationInfo.CATEGORY_UNDEFINED); |
| 68 | } |
| 69 | } |