content: /*
   * Copyright 2011 - AndroidQuery.com (tinyeeliu@gmail.com)
   * 
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not
   * use this file except in compliance with the License. You may obtain a copy of
   * the License at
   * 
   * http://www.apache.org/licenses/LICENSE-2.0
   * 
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
   * License for the specific language governing permissions and limitations under
   * the License.
   */
  
  package com.androidquery.auth;
  
  import java.net.HttpURLConnection;
  import java.util.LinkedHashSet;
  
  import org.apache.http.HttpRequest;
  
  import android.content.Context;
  
  import com.androidquery.callback.AbstractAjaxCallback;
  import com.androidquery.callback.AjaxStatus;
  
  public abstract class AccountHandle {
  
  	
  	private LinkedHashSet<AbstractAjaxCallback<?, ?>> callbacks;
  	
  	public synchronized void auth(AbstractAjaxCallback<?, ?> cb){		
  		
  		if(callbacks == null){
  			callbacks = new LinkedHashSet<AbstractAjaxCallback<?,?>>();
  			callbacks.add(cb);
  			auth();
  		}else{
  			callbacks.add(cb);
  		}
  				
  	}
  	
  	
  	public abstract boolean authenticated();
  
  	protected synchronized void success(Context context){
  		
  		if(callbacks != null){
  			
  			for(AbstractAjaxCallback<?, ?> cb: callbacks){
  				cb.async(context);
  			}
  			
  			callbacks = null;
  		}
  		
  	}
  	
  	protected synchronized void failure(Context context, int code, String message){		
  		
  		if(callbacks != null){
  			
  			for(AbstractAjaxCallback<?, ?> cb: callbacks){
  				cb.failure(code, message);
  			}
  			
  			callbacks = null;
  		}
  		
  	}
  	
  	
  	protected abstract void auth();
  	
  	public abstract boolean expired(AbstractAjaxCallback<?, ?> cb, AjaxStatus status);
  	
  	public abstract boolean reauth(AbstractAjaxCallback<?, ?> cb);
  	
  	public void applyToken(AbstractAjaxCallback<?, ?> cb, HttpRequest request){		
  	}
  	
  	public void applyToken(AbstractAjaxCallback<?, ?> cb, HttpURLConnection conn){
  	}
  	
  	public String getNetworkUrl(String url){
  		return url;
  	}
  	
  	public String getCacheUrl(String url){
  		return url;
  	}
  	
  	public void unauth(){		
  	}
  	
  }
  