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Android SDK used by developers to provide Backendless API in apps.

There is a newer version: 3.1.0

/*
 * ********************************************************************************************************************
 *  
 *  BACKENDLESS.COM CONFIDENTIAL
 *  

 *  ********************************************************************************************************************
 *  

 *  Copyright 2012 BACKENDLESS.COM. All Rights Reserved.
 *  

 *  NOTICE: All information contained herein is, and remains the property of Backendless.com and its suppliers,
 *  if any. The intellectual and technical concepts contained herein are proprietary to Backendless.com and its
 *  suppliers and may be covered by U.S. and Foreign Patents, patents in process, and are protected by trade secret
 *  or copyright law. Dissemination of this information or reproduction of this material is strictly forbidden
 *  unless prior written permission is obtained from Backendless.com.
 *  
 *  ********************************************************************************************************************
 */

package com.backendless.persistence.local;

import java.util.prefs.BackingStoreException;
import java.util.prefs.Preferences;

class JavaUserIdStorage implements IStorage
{
  private Preferences prefs = Preferences.userRoot().node( this.getClass().getName() );
  private static JavaUserIdStorage instance = new JavaUserIdStorage();

  private JavaUserIdStorage()
  {
  }

  public static JavaUserIdStorage instance()
  {
    return instance;
  }

  @Override
  public String get()
  {
    return prefs.get( UserIdStorageFactory.key, "" );
  }

  @Override
  public void set( String value )
  {
    prefs.put( UserIdStorageFactory.key, value );
    try
    {
      prefs.flush();
    }
    catch( BackingStoreException e )
    {
      throw new RuntimeException( e );
    }
  }
}