maoni/src/main/java/org/rm3l/maoni/utils/LogcatUtils.java
/*
* Copyright (c) 2016-2022 Armel Soro
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package org.rm3l.maoni.utils;
import android.util.Log;
import androidx.annotation.NonNull;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
/**
* Utilities for manipulating the App logs
*/
public final class LogcatUtils {
private static final String TAG = LogcatUtils.class.getCanonicalName();
private static final String PROCESS_ID = Integer.toString(android.os.Process.myPid());
private static final String[] LOGCAT_CMD = { "logcat", "-d", "-v", "threadtime" };
private LogcatUtils() {
throw new UnsupportedOperationException("Not instantiable");
}
public static String getLogsAsString() {
final StringBuilder builder = new StringBuilder();
InputStreamReader in = null;
BufferedReader bufferedReader = null;
try {
final Process process = Runtime.getRuntime().exec(LOGCAT_CMD);
in = new InputStreamReader(process.getInputStream());
bufferedReader = new BufferedReader(
in);
String line;
while ((line = bufferedReader.readLine()) != null) {
if (line.contains(PROCESS_ID)) {
builder.append(line);
}
}
} catch (final IOException ioe) {
Log.e(TAG, "getLog did not succeed", ioe);
} finally {
try {
if (in != null) {
in.close();
}
} catch (IOException e) {
Log.e(TAG, "Could not close InputStreamReader", e);
} finally {
try {
if (bufferedReader != null) {
bufferedReader.close();
}
} catch (IOException e) {
Log.e(TAG, "Could not close BufferedReader", e);
}
}
}
return builder.toString();
}
public static void getLogsToFile(@NonNull final File outputFile) {
PrintWriter out = null;
BufferedReader bufferedReader = null;
InputStreamReader in = null;
try {
//Empty out file first
new PrintWriter(outputFile).close();
out = new PrintWriter(new BufferedWriter(new FileWriter(outputFile, true)));
final Process process = Runtime.getRuntime().exec(LOGCAT_CMD);
in = new InputStreamReader(process.getInputStream());
bufferedReader = new BufferedReader(in);
String line;
while ((line = bufferedReader.readLine()) != null) {
if (line.contains(PROCESS_ID)) {
out.println(line);
}
}
} catch (final IOException ioe) {
Log.e(TAG, "getLog did not succeed", ioe);
} finally {
try {
if (in != null) {
in.close();
}
} catch (IOException e) {
Log.e(TAG, "Could not close InputStreamReader", e);
} finally {
try {
if (bufferedReader != null) {
bufferedReader.close();
}
} catch (IOException e) {
Log.e(TAG, "Could not close BufferedReader", e);
} finally {
if (out != null) {
out.close();
}
}
}
}
}
}