CustomExceptionHandler.java

//
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//    _/          _/_/      _/_/    _/  _/              _/      _/_/      _/_/
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//
//
//  Copyright (c) 2015-2016, Geek Zoo Studio
//  http://www.geek-zoo.com
//
//
//  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
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package com.BeeFramework.Utils;

import java.lang.Thread.UncaughtExceptionHandler;

import java.io.Writer;
import java.io.StringWriter;
import java.io.PrintWriter;
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.util.Date;


public class CustomExceptionHandler implements UncaughtExceptionHandler{


    private UncaughtExceptionHandler defaultUEH;

    private String localPath;

    private String url;

    /*
     * if any of the parameters is null, the respective functionality
     * will not be used
     */
    public CustomExceptionHandler(String localPath, String url) {
        this.localPath = localPath;
        this.url = url;
        this.defaultUEH = Thread.getDefaultUncaughtExceptionHandler();
    }

    public void uncaughtException(Thread t, Throwable e) {
        Date currentTime = new Date();
        long currentTimeStamp = currentTime.getTime();
        final Writer result = new StringWriter();
        final PrintWriter printWriter = new PrintWriter(result);
        e.printStackTrace(printWriter);
        String stacktrace = result.toString();
        printWriter.close();
        String filename = currentTimeStamp + ".stacktrace.txt";

        if (localPath != null) {
            writeToFile(stacktrace, filename);
        }
        if (url != null) {
            sendToServer(stacktrace, filename);
        }

        defaultUEH.uncaughtException(t, e);
    }

    private void writeToFile(String stacktrace, String filename) {
        try {
            BufferedWriter bos = new BufferedWriter(new FileWriter(
                    localPath + "/" + filename));
            bos.write(stacktrace);
            bos.flush();
            bos.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    private void sendToServer(String stacktrace, String filename) {

    }
}