Android Open Source - Gents Server Boss

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License

The source code is released under:
MIT License
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Java Source Code

package org.gsfraley.gents.service;
/* w w  w . java2  s  .c om*/
import java.util.HashSet;

import org.gsfraley.gents.app.main.MainActivity;
import org.gsfraley.gents.app.main.MainActivityListener;

import android.app.Notification;
import android.app.PendingIntent;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Binder;
import android.os.IBinder;

public class ServerBoss extends Service {
  
  public final static String
    SERVER_BOSS_PREFERENCES = "server_boss_preferences",
    SERVER_SID = "server_side",
    SERVER_LIST = "server_list",
    
    SERVER_COMMAND = "server_command",
      STOP_SERVER = "stop_server",
      START_SERVER = "start_server",
      CREATE_SERVER = "create_server",
      DESTROY_SERVER = "destroy_server";

  private SharedPreferences mPreferences;

  /* Service management */
  private MainActivityListener mListener;
  
  private static boolean running = false;
  
  public static boolean isRunning() {
    return running;
  }
  
  private final IBinder mBinder = new BossBinder();
  
  private Notification buildNotification() {
    Context context = getBaseContext();
    Notification.Builder builder = new Notification.Builder(context)
      .setDefaults(Notification.FLAG_FOREGROUND_SERVICE)
      .setSmallIcon(org.gsfraley.gents.R.drawable.ic_stat_server_boss)
      .setContentTitle("Gents is running...")
      .setAutoCancel(false)
      .setContentIntent(
          PendingIntent.getActivity(context, 0, new Intent(this, MainActivity.class),
              PendingIntent.FLAG_UPDATE_CURRENT));
    
    return builder.build();
  }
  
  @Override
  public int onStartCommand(Intent intent, int flags, int startId) {
    return Service.START_NOT_STICKY;
  }
  
  @Override
  public IBinder onBind(Intent intent) {
    return mBinder;
  }
  
  @Override
  public void onCreate() {
    running = true;
    
    // Promote the service to the foreground
    Notification bossNotification = buildNotification();
    startForeground(1, bossNotification);
    
    // Load shared prefs
    mPreferences = getSharedPreferences(SERVER_BOSS_PREFERENCES, MODE_PRIVATE);
    
    // Reload any stored servers
    createServerManager();
    loadServers();
  }
  
  @Override
  public void onDestroy() {
    super.onDestroy();
    running = false;
    
    // Drop the servers into storage
    storeServers();
    
    // Store the sid
    mPreferences.edit().putInt(SERVER_SID, serverManager.sidGenerator).apply();
  }
  
  public void setMainListener(MainActivityListener listener) {
    mListener = listener;
    mListener.setBossReady();
  }
  
  public class BossBinder extends Binder {
    public ServerBoss getService() {
      return ServerBoss.this;
    }
  }
  
  
  /* Server management */
  private ServerManager serverManager;
  
  public ServerManager getServerManager() {
    return serverManager;
  }
  
  public void createServerManager() {
    serverManager = new ServerManager(getBaseContext());
    
    // Set the sid on the manager
    serverManager.sidGenerator = mPreferences.getInt(SERVER_SID, 0);
  }
  
  private void loadServers() {
    
    for(String serverString : mPreferences.getStringSet(SERVER_LIST, new HashSet<String>())) {
      System.out.println(serverString);
      String classString = serverString.split(":")[0];
      int serverId = Integer.parseInt(serverString.split(":")[1]);
      int status = Integer.parseInt(serverString.split(":")[2]);
      
      ServerGhost server = serverManager.createServer(classString, serverId);
      
      if(status == ServerGhost.RUNNING) {
        server.start();
      }
    }
  }
  
  private void storeServers() {
    HashSet<String> serverStrings = new HashSet<String>();
    SharedPreferences.Editor ed = getSharedPreferences(SERVER_BOSS_PREFERENCES, MODE_PRIVATE).edit();
    
    for(ServerGhost server : serverManager) {
      int status = server.getStatus();
      server.stop();
      serverStrings.add(server.getClass().getName() + ":" + Integer.toString(server.getServerId()) + ":" + Integer.toString(status));
    }
    
    ed.putStringSet(SERVER_LIST, serverStrings);
    ed.apply();
  }
}
Java Source Code List
