package com.almerblank.utils{
          import flash.net.Responder;
          import flash.system.Security;
          
          public class ServiceUtility{
                  private static var _instance:ServiceUtility;
                  
                  //remoting variables
                  public var gatewayURL:String;
                  public var gateway:RemotingConnection;
                  public var response:Responder;
                  
                  public function ServiceUtility(enforcer:SingletonEnforcer){}
                  
                  public static function getInstance():ServiceUtility{
                          if(ServiceUtility._instance == null){
                                  ServiceUtility._instance = new ServiceUtility(new SingletonEnforcer);
                          }
                          return ServiceUtility._instance;
                  }
                  
                  //set your gateway URL
                  public function init(url:String,security:Boolean,policy:String):void{
                          if(security){
                                  flash.system.Security.loadPolicyFile(policy);
                          }
                          gatewayURL = url;
                  }
                  
                  //call your AMFPHP service
                  public function call(service:String, resultHandler:Function, faultHandler:Function,... params):void{
                          response = new Responder(resultHandler, faultHandler);
                      gateway = new RemotingConnection(gatewayURL);
                      gateway.call(service, response, params);
                  }        
          }
  }