Android Open Source - feedhive Unexpected Exception Handler






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SOFTWARE LICENSE ---------------- Copyright (C) 2012, 2013, 2014 Younghyung Cho. <yhcting77@gmail.com> All rights reserved. This file is part of FeedHive This program is licensed under the FreeBSD l...

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Java Source Code

/******************************************************************************
 * Copyright (C) 2012, 2013, 2014// ww  w.  ja va 2s  .c  o  m
 * Younghyung Cho. <yhcting77@gmail.com>
 * All rights reserved.
 *
 * This file is part of FeedHive
 *
 * This program is licensed under the FreeBSD license
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * The views and conclusions contained in the software and documentation
 * are those of the authors and should not be interpreted as representing
 * official policies, either expressed or implied, of the FreeBSD Project.
 *****************************************************************************/

package free.yhc.feeder.model;

import java.io.PrintWriter;
import java.io.StringWriter;
import java.lang.Thread.UncaughtExceptionHandler;
import java.util.Iterator;
import java.util.LinkedList;

import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;

public class UnexpectedExceptionHandler implements
UncaughtExceptionHandler {
    private static final boolean DBG = false;
    private static final Utils.Logger P = new Utils.Logger(UnexpectedExceptionHandler.class);

    private static final String UNKNOWN = "unknown";

    private static UnexpectedExceptionHandler sInstance = null;

    // This module to capturing unexpected exception.
    // So this SHOULD have minimum set of code in constructor,
    //   because this module SHOULD be instantiate as early as possible
    //   before any other module is instantiated
    //
    // Dependency on only following modules are allowed
    // - Utils
    private final Thread.UncaughtExceptionHandler   mOldHandler = Thread.getDefaultUncaughtExceptionHandler();
    private final LinkedList<TrackedModule>         mMods = new LinkedList<TrackedModule>();
    private final PackageReport mPr = new PackageReport();
    private final BuildReport   mBr = new BuildReport();

    private class PackageReport {
        String packageName          = UNKNOWN;
        String versionName          = UNKNOWN;
        String filesDir             = UNKNOWN;
    }
    // Useful Informations
    private class BuildReport {
        String androidVersion       = UNKNOWN;
        String board                = UNKNOWN;
        String brand                = UNKNOWN;
        String device               = UNKNOWN;
        String display              = UNKNOWN;
        String fingerPrint          = UNKNOWN;
        String host                 = UNKNOWN;
        String id                   = UNKNOWN;
        String manufacturer         = UNKNOWN;
        String model                = UNKNOWN;
        String product              = UNKNOWN;
        String tags                 = UNKNOWN;
        long   time                 = 0;
        String type                 = UNKNOWN;
        String user                 = UNKNOWN;
    }

    public enum DumpLevel {
        FULL
    }

    public interface TrackedModule {
        String dump(DumpLevel lvl);
    }

    // ========================
    // Privates
    // ========================
    private void
    setEnvironmentInfo(Context context) {
        PackageManager pm = context.getPackageManager();
        try {
            PackageInfo pi = pm.getPackageInfo(context.getPackageName(), 0);
            mPr.versionName = pi.versionName;
            mPr.packageName = pi.packageName;
        }catch (NameNotFoundException e) {
            ; // ignore
        }
        mPr.filesDir        = context.getFilesDir().getAbsolutePath();
        mBr.model           = android.os.Build.MODEL;
        mBr.androidVersion  = android.os.Build.VERSION.RELEASE;
        mBr.board           = android.os.Build.BOARD;
        mBr.brand           = android.os.Build.BRAND;
        mBr.device          = android.os.Build.DEVICE;
        mBr.display         = android.os.Build.DISPLAY;
        mBr.fingerPrint     = android.os.Build.FINGERPRINT;
        mBr.host            = android.os.Build.HOST;
        mBr.id              = android.os.Build.ID;
        mBr.product         = android.os.Build.PRODUCT;
        mBr.tags            = android.os.Build.TAGS;
        mBr.time            = android.os.Build.TIME;
        mBr.type            = android.os.Build.TYPE;
        mBr.user            = android.os.Build.USER;
    }


    private void
    appendCommonReport(StringBuilder report) {
        report.append("==================== Package Information ==================\n")
              .append("  - name        : " + mPr.packageName + "\n")
              .append("  - version     : " + mPr.versionName + "\n")
              .append("  - filesDir    : " + mPr.filesDir + "\n")
              .append("\n")
              .append("===================== Device Information ==================\n")
              .append("  - androidVer  : " + mBr.androidVersion + "\n")
              .append("  - board       : " + mBr.board + "\n")
              .append("  - brand       : " + mBr.brand + "\n")
              .append("  - device      : " + mBr.device + "\n")
              .append("  - display     : " + mBr.display + "\n")
              .append("  - fingerprint : " + mBr.fingerPrint + "\n")
              .append("  - host        : " + mBr.host + "\n")
              .append("  - id          : " + mBr.id + "\n")
              .append("  - manufactuere: " + mBr.manufacturer + "\n")
              .append("  - model       : " + mBr.model + "\n")
              .append("  - product     : " + mBr.product + "\n")
              .append("  - tags        : " + mBr.tags + "\n")
              .append("  - time        : " + mBr.time + "\n")
              .append("  - type        : " + mBr.type + "\n")
              .append("  - user        : " + mBr.user + "\n")
              .append("\n\n");
    }

    private UnexpectedExceptionHandler() {
        setEnvironmentInfo(Environ.getAppContext());
    }
    // ========================
    // Publics
    // ========================

    // Get singleton instance,.
    public static UnexpectedExceptionHandler
    get() {
        if (null == sInstance)
            sInstance = new UnexpectedExceptionHandler();
        return sInstance;
    }

    /**
     * register module that will be dumped when unexpected exception is issued.
     * @param m
     * @return
     */
    public boolean
    registerModule(TrackedModule m) {
        if (null == m)
            return false;

        synchronized (mMods) {
            if (mMods.contains(m))
                return false;

            mMods.addLast(m);
            return true;
        }
    }

    public boolean
    unregisterModule(TrackedModule m) {
        synchronized (mMods) {
            return mMods.remove(m);
        }
    }

    @Override
    public void
    uncaughtException(Thread thread, Throwable ex) {
        StringBuilder report = new StringBuilder();
        appendCommonReport(report);

        // collect dump informations
        Iterator<TrackedModule> iter = mMods.iterator();
        while (iter.hasNext()) {
            TrackedModule tm = iter.next();
            report.append(tm.dump(DumpLevel.FULL)).append("\n\n");
        }
        StringWriter sw = new StringWriter();
        PrintWriter pw = new PrintWriter(sw);
        ex.printStackTrace(pw);
        report.append(sw.toString());
        pw.close();

        UsageReport.get().storeErrReport(report.toString());
        mOldHandler.uncaughtException(thread, ex);
    }
}




Java Source Code List

free.yhc.feeder.AppWidgetCategoryChooserActivity.java
free.yhc.feeder.AppWidgetMenuActivity.java
free.yhc.feeder.AppWidgetUpdateCategoryActivity.java
free.yhc.feeder.AsyncAdapter.java
free.yhc.feeder.AsyncCursorAdapter.java
free.yhc.feeder.AsyncCursorListAdapter.java
free.yhc.feeder.ChannelListActivity.java
free.yhc.feeder.ChannelListAdapter.java
free.yhc.feeder.ChannelListFragment.java
free.yhc.feeder.ChannelListPagerAdapter.java
free.yhc.feeder.ChannelSettingActivity.java
free.yhc.feeder.DBManagerActivity.java
free.yhc.feeder.DiagAsyncTask.java
free.yhc.feeder.FeederActivity.java
free.yhc.feeder.FeederApp.java
free.yhc.feeder.FeederPreferenceActivity.java
free.yhc.feeder.FragmentPagerAdapterEx.java
free.yhc.feeder.ItemListActivity.java
free.yhc.feeder.ItemListAdapter.java
free.yhc.feeder.ItemViewActivity.java
free.yhc.feeder.LifeSupportService.java
free.yhc.feeder.NotiManager.java
free.yhc.feeder.PredefinedChannelActivity.java
free.yhc.feeder.ScheduledUpdateService.java
free.yhc.feeder.UiHelper.java
free.yhc.feeder.appwidget.AppWidgetUtils.java
free.yhc.feeder.appwidget.Provider.java
free.yhc.feeder.appwidget.UpdateService.java
free.yhc.feeder.appwidget.ViewsFactory.java
free.yhc.feeder.appwidget.ViewsService.java
free.yhc.feeder.db.ColumnCategory.java
free.yhc.feeder.db.ColumnChannel.java
free.yhc.feeder.db.ColumnItem.java
free.yhc.feeder.db.DBPolicy.java
free.yhc.feeder.db.DB.java
free.yhc.feeder.model.AssetSQLiteHelper.java
free.yhc.feeder.model.AtomParser.java
free.yhc.feeder.model.BGTaskDownloadToFile.java
free.yhc.feeder.model.BGTaskDownloadToItemContent.java
free.yhc.feeder.model.BGTaskManager.java
free.yhc.feeder.model.BGTaskUpdateChannel.java
free.yhc.feeder.model.BGTask.java
free.yhc.feeder.model.BaseBGTask.java
free.yhc.feeder.model.ContentsManager.java
free.yhc.feeder.model.DelayedAction.java
free.yhc.feeder.model.Environ.java
free.yhc.feeder.model.Err.java
free.yhc.feeder.model.FeedParser.java
free.yhc.feeder.model.FeedPolicy.java
free.yhc.feeder.model.Feed.java
free.yhc.feeder.model.FeederException.java
free.yhc.feeder.model.HtmlParser.java
free.yhc.feeder.model.ItemActionHandler.java
free.yhc.feeder.model.KeyBasedLinkedList.java
free.yhc.feeder.model.ListenerManager.java
free.yhc.feeder.model.NetLoader.java
free.yhc.feeder.model.RSSParser.java
free.yhc.feeder.model.RTTask.java
free.yhc.feeder.model.ThreadEx.java
free.yhc.feeder.model.UnexpectedExceptionHandler.java
free.yhc.feeder.model.UsageReport.java
free.yhc.feeder.model.Utils.java