| /* |
| * Copyright (C) 2017 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.pm; |
| |
| import android.util.Slog; |
| |
| import com.android.internal.util.ArrayUtils; |
| |
| import java.io.BufferedOutputStream; |
| import java.io.BufferedReader; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| import java.io.PrintWriter; |
| import java.nio.ByteBuffer; |
| import java.nio.charset.StandardCharsets; |
| import java.util.Arrays; |
| import java.util.Comparator; |
| import java.util.function.Consumer; |
| |
| public class ShortcutDumpFiles { |
| private static final String TAG = ShortcutService.TAG; |
| private static final boolean DEBUG = ShortcutService.DEBUG; |
| private final ShortcutService mService; |
| |
| public ShortcutDumpFiles(ShortcutService service) { |
| mService = service; |
| } |
| |
| public boolean save(String filename, Consumer<PrintWriter> dumper) { |
| try { |
| final File directory = mService.getDumpPath(); |
| directory.mkdirs(); |
| if (!directory.exists()) { |
| Slog.e(TAG, "Failed to create directory: " + directory); |
| return false; |
| } |
| |
| final File path = new File(directory, filename); |
| |
| if (DEBUG) { |
| Slog.d(TAG, "Dumping to " + path); |
| } |
| |
| try (PrintWriter pw = new PrintWriter(new BufferedOutputStream( |
| new FileOutputStream(path)))) { |
| dumper.accept(pw); |
| } |
| return true; |
| } catch (RuntimeException|IOException e) { |
| Slog.w(TAG, "Failed to create dump file: " + filename, e); |
| return false; |
| } |
| } |
| |
| public boolean save(String filename, byte[] utf8bytes) { |
| return save(filename, pw -> pw.println(StandardCharsets.UTF_8.decode( |
| ByteBuffer.wrap(utf8bytes)).toString())); |
| } |
| |
| public void dumpAll(PrintWriter pw) { |
| try { |
| final File directory = mService.getDumpPath(); |
| final File[] files = directory.listFiles(f -> f.isFile()); |
| if (!directory.exists() || ArrayUtils.isEmpty(files)) { |
| pw.print(" No dump files found."); |
| return; |
| } |
| Arrays.sort(files, Comparator.comparing(f -> f.getName())); |
| |
| for (File path : files) { |
| pw.print("*** Dumping: "); |
| pw.println(path.getName()); |
| |
| pw.print("mtime: "); |
| pw.println(ShortcutService.formatTime(path.lastModified())); |
| |
| try (BufferedReader reader = new BufferedReader(new InputStreamReader( |
| new FileInputStream(path)))) { |
| String line = null; |
| while ((line = reader.readLine()) != null) { |
| pw.println(line); |
| } |
| } |
| } |
| } catch (RuntimeException|IOException e) { |
| Slog.w(TAG, "Failed to print dump files", e); |
| } |
| } |
| } |