diff options
Diffstat (limited to 'src/DotNetOpenAuth.OpenId/OpenId/Protocol.cs')
| -rw-r--r-- | src/DotNetOpenAuth.OpenId/OpenId/Protocol.cs | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/DotNetOpenAuth.OpenId/OpenId/Protocol.cs b/src/DotNetOpenAuth.OpenId/OpenId/Protocol.cs index 5aacfd2..a651f3c 100644 --- a/src/DotNetOpenAuth.OpenId/OpenId/Protocol.cs +++ b/src/DotNetOpenAuth.OpenId/OpenId/Protocol.cs @@ -157,7 +157,7 @@ namespace DotNetOpenAuth.OpenId { /// of an incoming OpenID <i>indirect</i> message or <i>direct request</i>. /// </summary> internal static Protocol Detect(IDictionary<string, string> query) { - Contract.Requires<ArgumentNullException>(query != null); + Requires.NotNull(query, "query"); return query.ContainsKey(V20.openid.ns) ? V20 : V11; } /// <summary> @@ -165,7 +165,7 @@ namespace DotNetOpenAuth.OpenId { /// of an incoming OpenID <i>direct</i> response message. /// </summary> internal static Protocol DetectFromDirectResponse(IDictionary<string, string> query) { - Contract.Requires<ArgumentNullException>(query != null); + Requires.NotNull(query, "query"); return query.ContainsKey(V20.openidnp.ns) ? V20 : V11; } /// <summary> @@ -173,7 +173,7 @@ namespace DotNetOpenAuth.OpenId { /// of XRDS Service Type URIs included for some service. /// </summary> internal static Protocol Detect(IEnumerable<string> serviceTypeURIs) { - Contract.Requires<ArgumentNullException>(serviceTypeURIs != null); + Requires.NotNull(serviceTypeURIs, "serviceTypeURIs"); return FindBestVersion(p => p.OPIdentifierServiceTypeURI, serviceTypeURIs) ?? FindBestVersion(p => p.ClaimedIdentifierServiceTypeURI, serviceTypeURIs) ?? FindBestVersion(p => p.RPReturnToTypeURI, serviceTypeURIs); |