Convenience constructor with URL, cache, and cache policy.
Syntax
public static virtual id
requestWithURL:usingCache:andCachePolicy:
(NSURL * newURL, id< SDMCacheDelegate > cache, CachePolicy policy)
Returns
ODPRequest object. Usage ODPRequest * l_request=[ODPRequest requestWithURL:[NSURL URLWithString:Url] usingCache:cache andCachePolicy:policy]; .... add the necessary request headers