Android Open Source - SamyGo-Android-Remote C Series Key Code Sender Factory

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Back to project page SamyGo-Android-Remote.

License

The source code is released under:

GNU General Public License

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Java Source Code

/*
 *  Copyright (C) 2011  Tom Quist//from   ww w.j  a  v  a2  s  .  co  m
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You can get the GNU General Public License at
 *  http://www.gnu.org/licenses/gpl.html
 */
package de.quist.app.samyGoRemote;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;

import android.content.Context;
import android.content.SharedPreferences;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.util.Log;
import de.quist.app.errorreporter.ExceptionReporter;

public class CSeriesKeyCodeSenderFactory extends SenderFactory {

  private static final File[] MAC_ADDRESS_FILES = new File[1];
  
  static {
    MAC_ADDRESS_FILES[0] = new File("/sys/class/net/eth0/address");
  }
  
  private static final String TAG = CSeriesKeyCodeSenderFactory.class.getSimpleName();

  @Override
  protected Sender create(Context ctx, SharedPreferences prefs, ExceptionReporter reporter) {
    String host = prefs.getString(Remote.PREFS_SERVER_HOST_KEY, "");
    Log.v(TAG, "Factoring C-Series sender for host " + host);
    WifiManager wifiManager = (WifiManager) ctx.getSystemService(Context.WIFI_SERVICE);
    WifiInfo wifiInfo = wifiManager.getConnectionInfo();
    String mac = wifiInfo.getMacAddress();
    int i = 0;
    while (mac == null && i<MAC_ADDRESS_FILES.length) {
      mac = getNetworkAddress(MAC_ADDRESS_FILES[i]);
      i++;
    }
    if (mac == null) {
      mac = "00:50:C2:00:11:22"; // Only for devices without an wifi interface (e.g. the emulator)
      Log.v(TAG, "No wifi-interface. Set mac address to a virtual address " + mac);
    }
    Log.v(TAG, "Obtained MAC address " + mac);
    return new CSeriesSender(host, mac, reporter);
  }
  
  public String getNetworkAddress(File f) {
    try {
      if (!f.exists()) return null;
      InputStream s = new FileInputStream(f);
      Reader r = new InputStreamReader(s);
      char[] buffer = new char[1024];
      int i;
      StringBuilder sb = new StringBuilder();
      while ((i = r.read(buffer)) > -1) {
        sb.append(buffer, 0, i);
      }
      return sb.toString().trim();
    } catch (IOException e) {
      return null;
    }
  }
  
}

Java Source Code List