cn.sharesdk.analysis.util.CrashHandler.java Source code

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Here is the source code for cn.sharesdk.analysis.util.CrashHandler.java

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/**
 * ************************************************************
 * ShareSDKStatistics
 * An open source analytics android sdk for mobile applications
 * ************************************************************
 * 
 * @package      ShareSDK Statistics
 * @author      ShareSDK Limited Liability Company
 * @copyright   Copyright 2014-2016, ShareSDK Limited Liability Company
 * @since      Version 1.0
 * @filesource  https://github.com/OSShareSDK/OpenStatistics/tree/master/Android
 *  
 * *****************************************************
 * This project is available under the following license
 * *****************************************************
 *
 * 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 cn.sharesdk.analysis.util;

import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.Writer;
import java.lang.Thread.UncaughtExceptionHandler;

import org.json.JSONException;
import org.json.JSONObject;

import cn.sharesdk.analysis.EventManager;
import cn.sharesdk.analysis.db.MessageUtils;

import android.content.Context;

public class CrashHandler implements UncaughtExceptionHandler {
    private static CrashHandler myCrashHandler;
    private Context context;

    private PreferencesHelper dbHelper;
    private DeviceHelper deviceHelper;

    private CrashHandler() {
    }

    public static synchronized CrashHandler getInstance() {
        if (myCrashHandler != null) {
            return myCrashHandler;
        } else {
            myCrashHandler = new CrashHandler();
            return myCrashHandler;
        }
    }

    public void init(Context mContext) {
        this.context = mContext;
        EventManager.init(mContext);
        dbHelper = PreferencesHelper.getInstance(context);
        deviceHelper = DeviceHelper.getInstance(context);
    }

    public void uncaughtException(Thread arg0, Throwable arg1) {
        arg1.printStackTrace();

        String headstring = "";
        String errorinfo = getErrorInfo(arg1);
        if (errorinfo.contains("Caused by:")) {
            String ssString = errorinfo.substring(errorinfo.indexOf("Caused by:"));
            String[] ss = ssString.split("\n\t");
            if (ss.length >= 1)
                headstring = ss[0];
        }
        // Saving error log, next launch to post log
        JSONObject errorObject = getErrorJSONObject(headstring, errorinfo);
        EventManager.startLogService(MessageUtils.ERROR_DATA, errorObject);
        android.os.Process.killProcess(android.os.Process.myPid());
    }

    private JSONObject getErrorJSONObject(String errorHead, String errorStack) {
        JSONObject errorInfo = new JSONObject();
        try {
            errorInfo.put("session_id", dbHelper.getSessionID());
            errorInfo.put("create_date", deviceHelper.getTime());
            errorInfo.put("page", deviceHelper.getActivityName());
            errorInfo.put("error_log", errorHead);
            errorInfo.put("stack_trace", errorStack);
        } catch (JSONException e) {
            e.printStackTrace();
        }
        return errorInfo;
    }

    private String getErrorInfo(Throwable arg1) {
        Writer writer = new StringWriter();
        PrintWriter pw = new PrintWriter(writer);
        arg1.printStackTrace(pw);
        pw.close();
        String error = writer.toString();
        return error;
    }

}