/*****************************************************************************
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* VlcCrashHandler.java
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*****************************************************************************
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* Copyright © 2012 VLC authors and VideoLAN
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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package org.videolan.vlc;
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import java.io.BufferedWriter;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.OutputStreamWriter;
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import java.io.PrintWriter;
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import java.io.StringWriter;
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import java.io.Writer;
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import java.lang.Thread.UncaughtExceptionHandler;
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import android.os.Environment;
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import android.text.format.DateFormat;
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import android.util.Log;
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public class VlcCrashHandler implements UncaughtExceptionHandler {
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private static final String TAG = "VLC/VlcCrashHandler";
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private UncaughtExceptionHandler defaultUEH;
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public VlcCrashHandler() {
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this.defaultUEH = Thread.getDefaultUncaughtExceptionHandler();
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}
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@Override
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public void uncaughtException(Thread thread, Throwable ex) {
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final Writer result = new StringWriter();
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final PrintWriter printWriter = new PrintWriter(result);
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// Inject some info about android version and the device, since google can't provide them in the developer console
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StackTraceElement[] trace = ex.getStackTrace();
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StackTraceElement[] trace2 = new StackTraceElement[trace.length+3];
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System.arraycopy(trace, 0, trace2, 0, trace.length);
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trace2[trace.length+0] = new StackTraceElement("Android", "MODEL", android.os.Build.MODEL, -1);
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trace2[trace.length+1] = new StackTraceElement("Android", "VERSION", android.os.Build.VERSION.RELEASE, -1);
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trace2[trace.length+2] = new StackTraceElement("Android", "FINGERPRINT", android.os.Build.FINGERPRINT, -1);
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ex.setStackTrace(trace2);
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ex.printStackTrace(printWriter);
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String stacktrace = result.toString();
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printWriter.close();
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Log.e(TAG, stacktrace);
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// Save the log on SD card if available
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if(Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
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String sdcardPath = Environment.getExternalStorageDirectory().getPath();
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writeLog(stacktrace, sdcardPath + "/vlc_crash");
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writeLogcat(sdcardPath + "/vlc_logcat");
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}
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defaultUEH.uncaughtException(thread, ex);
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}
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private void writeLog(String log, String name) {
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CharSequence timestamp = DateFormat.format("yyyyMMdd_kkmmss", System.currentTimeMillis());
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String filename = name + "_" + timestamp + ".log";
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try {
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FileOutputStream stream = new FileOutputStream(filename);
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OutputStreamWriter output = new OutputStreamWriter(stream);
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BufferedWriter bw = new BufferedWriter(output);
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bw.write(log);
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bw.newLine();
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bw.close();
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output.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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private void writeLogcat(String name) {
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CharSequence timestamp = DateFormat.format("yyyyMMdd_kkmmss", System.currentTimeMillis());
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String filename = name + "_" + timestamp + ".log";
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try {
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Util.writeLogcat(filename);
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} catch (IOException e) {
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Log.e(TAG, "Cannot write logcat to disk");
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}
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}
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}
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