com.ihelpoo.app.AppException.java Source code

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Here is the source code for com.ihelpoo.app.AppException.java

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/*
 * Copyright (c) 2013 Wobang Network.
 *
 * Licensed under the GNU General Public License, version 2 (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.gnu.org/licenses/gpl-2.0.html
 *
 * 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.ihelpoo.app;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.lang.Thread.UncaughtExceptionHandler;
import java.net.ConnectException;
import java.net.SocketException;
import java.net.UnknownHostException;
import java.util.Date;

import com.ihelpoo.app.R;
import com.ihelpoo.app.common.UIHelper;

import org.apache.commons.httpclient.HttpException;

import android.content.Context;
import android.content.pm.PackageInfo;
import android.os.Environment;
import android.os.Looper;
import android.widget.Toast;

/**
 * ?????
 * @version 1.0
 * @created 2012-3-21
 */
public class AppException extends Exception implements UncaughtExceptionHandler {

    private final static boolean Debug = false;//??

    /**  */
    public final static byte TYPE_NETWORK = 0x01;
    public final static byte TYPE_SOCKET = 0x02;
    public final static byte TYPE_HTTP_CODE = 0x03;
    public final static byte TYPE_HTTP_ERROR = 0x04;
    public final static byte TYPE_XML = 0x05;
    public final static byte TYPE_IO = 0x06;
    public final static byte TYPE_RUN = 0x07;

    private byte type;
    private int code;

    /** UncaughtException? */
    private Thread.UncaughtExceptionHandler mDefaultHandler;

    private AppException() {
        this.mDefaultHandler = Thread.getDefaultUncaughtExceptionHandler();
    }

    private AppException(byte type, int code, Exception excp) {
        super(excp);
        this.type = type;
        this.code = code;
        if (Debug) {
            this.saveErrorLog(excp);
        }
    }

    public int getCode() {
        return this.code;
    }

    public int getType() {
        return this.type;
    }

    /**
     * ????
     * @param ctx
     */
    public void makeToast(Context ctx) {
        switch (this.getType()) {
        case TYPE_HTTP_CODE:
            String err = ctx.getString(R.string.http_status_code_error, this.getCode());
            Toast.makeText(ctx, err, Toast.LENGTH_SHORT).show();
            break;
        case TYPE_HTTP_ERROR:
            Toast.makeText(ctx, R.string.http_exception_error, Toast.LENGTH_SHORT).show();
            break;
        case TYPE_SOCKET:
            Toast.makeText(ctx, R.string.socket_exception_error, Toast.LENGTH_SHORT).show();
            break;
        case TYPE_NETWORK:
            Toast.makeText(ctx, R.string.network_not_connected, Toast.LENGTH_SHORT).show();
            break;
        case TYPE_XML:
            Toast.makeText(ctx, R.string.xml_parser_failed, Toast.LENGTH_SHORT).show();
            break;
        case TYPE_IO:
            Toast.makeText(ctx, R.string.io_exception_error, Toast.LENGTH_SHORT).show();
            break;
        case TYPE_RUN:
            Toast.makeText(ctx, R.string.app_run_code_error, Toast.LENGTH_SHORT).show();
            break;
        }
    }

    /**
     * ?
     * @param excp
     */
    public void saveErrorLog(Exception excp) {
        String errorlog = "errorlog.txt";
        String savePath = "";
        String logFilePath = "";
        FileWriter fw = null;
        PrintWriter pw = null;
        try {
            //?SD?
            String storageState = Environment.getExternalStorageState();
            if (storageState.equals(Environment.MEDIA_MOUNTED)) {
                savePath = Environment.getExternalStorageDirectory().getAbsolutePath() + "/ihelpoo/Log/";
                File file = new File(savePath);
                if (!file.exists()) {
                    file.mkdirs();
                }
                logFilePath = savePath + errorlog;
            }
            //SD?
            if (logFilePath == "") {
                return;
            }
            File logFile = new File(logFilePath);
            if (!logFile.exists()) {
                logFile.createNewFile();
            }
            fw = new FileWriter(logFile, true);
            pw = new PrintWriter(fw);
            pw.println("--------------------" + (new Date().toLocaleString()) + "---------------------");
            excp.printStackTrace(pw);
            pw.close();
            fw.close();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (pw != null) {
                pw.close();
            }
            if (fw != null) {
                try {
                    fw.close();
                } catch (IOException e) {
                }
            }
        }

    }

    public static AppException http(int code) {
        return new AppException(TYPE_HTTP_CODE, code, null);
    }

    public static AppException http(Exception e) {
        return new AppException(TYPE_HTTP_ERROR, 0, e);
    }

    public static AppException socket(Exception e) {
        return new AppException(TYPE_SOCKET, 0, e);
    }

    public static AppException io(Exception e) {
        if (e instanceof UnknownHostException || e instanceof ConnectException) {
            return new AppException(TYPE_NETWORK, 0, e);
        } else if (e instanceof IOException) {
            return new AppException(TYPE_IO, 0, e);
        }
        return run(e);
    }

    public static AppException xml(Exception e) {
        return new AppException(TYPE_XML, 0, e);
    }

    public static AppException network(Exception e) {
        if (e instanceof UnknownHostException || e instanceof ConnectException) {
            return new AppException(TYPE_NETWORK, 0, e);
        } else if (e instanceof HttpException) {
            return http(e);
        } else if (e instanceof SocketException) {
            return socket(e);
        }
        return http(e);
    }

    public static AppException run(Exception e) {
        return new AppException(TYPE_RUN, 0, e);
    }

    /**
     * ?APP?
     * @param context
     * @return
     */
    public static AppException getAppExceptionHandler() {
        return new AppException();
    }

    @Override
    public void uncaughtException(Thread thread, Throwable ex) {

        if (!handleException(ex) && mDefaultHandler != null) {
            mDefaultHandler.uncaughtException(thread, ex);
        }

    }

    /**
     * ?:?&??
     * @param ex
     * @return true:??;?false
     */
    private boolean handleException(Throwable ex) {
        if (ex == null) {
            return false;
        }

        final Context context = AppManager.getAppManager().currentActivity();

        if (context == null) {
            return false;
        }

        final String crashReport = getCrashReport(context, ex);
        //?&??
        new Thread() {
            public void run() {
                Looper.prepare();
                UIHelper.sendAppCrashReport(context, crashReport);
                Looper.loop();
            }

        }.start();
        return true;
    }

    /**
     * ?APP
     * @param ex
     * @return
     */
    private String getCrashReport(Context context, Throwable ex) {
        PackageInfo pinfo = ((AppContext) context.getApplicationContext()).getPackageInfo();
        StringBuffer exceptionStr = new StringBuffer();
        exceptionStr.append("Version: " + pinfo.versionName + "(" + pinfo.versionCode + ")\n");
        exceptionStr.append("Android: " + android.os.Build.VERSION.RELEASE + "(" + android.os.Build.MODEL + ")\n");
        exceptionStr.append("Exception: " + ex.getMessage() + "\n");
        StackTraceElement[] elements = ex.getStackTrace();
        for (int i = 0; i < elements.length; i++) {
            exceptionStr.append(elements[i].toString() + "\n");
        }
        return exceptionStr.toString();
    }
}