Makoto Onuki | 50a320e | 2017-05-31 14:38:42 -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 | package com.android.server.pm; |
| 17 | |
| 18 | import android.util.Slog; |
| 19 | |
| 20 | import com.android.internal.util.ArrayUtils; |
| 21 | |
| 22 | import java.io.BufferedOutputStream; |
| 23 | import java.io.BufferedReader; |
| 24 | import java.io.File; |
| 25 | import java.io.FileInputStream; |
| 26 | import java.io.FileOutputStream; |
| 27 | import java.io.IOException; |
| 28 | import java.io.InputStreamReader; |
| 29 | import java.io.PrintWriter; |
| 30 | import java.nio.ByteBuffer; |
| 31 | import java.nio.charset.StandardCharsets; |
| 32 | import java.util.Arrays; |
| 33 | import java.util.Comparator; |
| 34 | import java.util.function.Consumer; |
| 35 | |
| 36 | public class ShortcutDumpFiles { |
| 37 | private static final String TAG = ShortcutService.TAG; |
| 38 | private static final boolean DEBUG = ShortcutService.DEBUG; |
| 39 | private final ShortcutService mService; |
| 40 | |
| 41 | public ShortcutDumpFiles(ShortcutService service) { |
| 42 | mService = service; |
| 43 | } |
| 44 | |
| 45 | public boolean save(String filename, Consumer<PrintWriter> dumper) { |
| 46 | try { |
| 47 | final File directory = mService.getDumpPath(); |
| 48 | directory.mkdirs(); |
| 49 | if (!directory.exists()) { |
| 50 | Slog.e(TAG, "Failed to create directory: " + directory); |
| 51 | return false; |
| 52 | } |
| 53 | |
| 54 | final File path = new File(directory, filename); |
| 55 | |
| 56 | if (DEBUG) { |
| 57 | Slog.d(TAG, "Dumping to " + path); |
| 58 | } |
| 59 | |
| 60 | try (PrintWriter pw = new PrintWriter(new BufferedOutputStream( |
| 61 | new FileOutputStream(path)))) { |
| 62 | dumper.accept(pw); |
| 63 | } |
| 64 | return true; |
| 65 | } catch (RuntimeException|IOException e) { |
| 66 | Slog.w(TAG, "Failed to create dump file: " + filename, e); |
| 67 | return false; |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | public boolean save(String filename, byte[] utf8bytes) { |
| 72 | return save(filename, pw -> pw.println(StandardCharsets.UTF_8.decode( |
| 73 | ByteBuffer.wrap(utf8bytes)).toString())); |
| 74 | } |
| 75 | |
| 76 | public void dumpAll(PrintWriter pw) { |
| 77 | try { |
| 78 | final File directory = mService.getDumpPath(); |
| 79 | final File[] files = directory.listFiles(f -> f.isFile()); |
| 80 | if (!directory.exists() || ArrayUtils.isEmpty(files)) { |
| 81 | pw.print(" No dump files found."); |
| 82 | return; |
| 83 | } |
| 84 | Arrays.sort(files, Comparator.comparing(f -> f.getName())); |
| 85 | |
| 86 | for (File path : files) { |
| 87 | pw.print("*** Dumping: "); |
| 88 | pw.println(path.getName()); |
| 89 | |
| 90 | pw.print("mtime: "); |
| 91 | pw.println(ShortcutService.formatTime(path.lastModified())); |
| 92 | |
| 93 | try (BufferedReader reader = new BufferedReader(new InputStreamReader( |
| 94 | new FileInputStream(path)))) { |
| 95 | String line = null; |
| 96 | while ((line = reader.readLine()) != null) { |
| 97 | pw.println(line); |
| 98 | } |
| 99 | } |
| 100 | } |
| 101 | } catch (RuntimeException|IOException e) { |
| 102 | Slog.w(TAG, "Failed to print dump files", e); |
| 103 | } |
| 104 | } |
| 105 | } |