Constants.java

package com.apigee.sdk.apm.android.crashlogging;

import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.util.Log;

import com.apigee.sdk.apm.android.model.ClientLog;

/**
 * <h4>Description</h4>
 * 
 * Various constants and meta information loaded from the context.
 * 
 * <h4>License</h4>
 * 
 * <pre>
 * Copyright (c) 2009 nullwire aps
 * Copyright (c) 2012 Codenauts UG
 * 
 * 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 AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 * </pre>
 *
 * @author Mads Kristiansen
 * @author Glen Humphrey
 * @author Evan Charlton
 * @author Peter Hewitt
 * @author Thomas Dohmke
 * @y.exclude
 **/
public class Constants {
  /**
   * Path where crash logs and temporary files are stored.
   */
  public static String FILES_PATH = null;
  
  /**
   * The app's version code.
   */
  public static String APP_VERSION = null;

  /**
   * The app's package name.
   */
  public static String APP_PACKAGE = null;
  
  /**
   * The device's OS version.
   */
  public static String ANDROID_VERSION  = null;

  /**
   * The device's model name.
   */
  public static String PHONE_MODEL = null;

  /**
   * The device's model manufacturer name.
   */
  public static String PHONE_MANUFACTURER = null;

  /**
   * Initializes constants from the given context. The context is used to set 
   * the package name, version code, and the files dir.  
   *
   * @param context The context to use. Usually your Activity object.
   */
  public static void loadFromContext(Context context) {
    Constants.ANDROID_VERSION = android.os.Build.VERSION.RELEASE;
    Constants.PHONE_MODEL = android.os.Build.MODEL;
    Constants.PHONE_MANUFACTURER = android.os.Build.MANUFACTURER;
    Constants.FILES_PATH = context.getFilesDir().getAbsolutePath();

    PackageManager packageManager = context.getPackageManager();
    try {
      PackageInfo packageInfo = packageManager.getPackageInfo(context.getPackageName(), 0);
      Constants.APP_VERSION = "" + packageInfo.versionCode;
      Constants.APP_PACKAGE = packageInfo.packageName;
    } 
    catch (Exception e) {
      Log.e(ClientLog.TAG_MONITORING_CLIENT, "Exception thrown when accessing the package info:");
      e.printStackTrace();
    }
  }
}