/*
|
* 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);
|
}
|
}
|
}
|