text: //
  //  UrlHelper.h
  //  Live SDK for iOS
  //
  //  Copyright (c) 2011 Microsoft Corp. All rights reserved.
  //
  
  #import <Foundation/Foundation.h>
  
  @interface UrlHelper : NSObject
  
  + (NSString *) encodeUrlParameters: (NSDictionary *)params;
  + (NSDictionary *) decodeUrlParameters: (NSString *)paramStr;
  
  + (NSURL *) constructUrl: (NSString *)baseUrl params: (NSDictionary *)params;
  + (NSDictionary *) parseUrl:(NSURL *)url ;
  
  + (BOOL) isFullUrl:(NSString *)url;
  
  @end
  