Issue 351: Reimplement OAuth2 (Step 3 - Tests, Flows and Credential)

Src/GoogleApis.Auth/OAuth2/GoogleAuthorizationCodeFlow.cs

+/*
+Copyright 2013 Google Inc
+
+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.
+*/
+
+using System;
+
+using Google.Apis.Auth.OAuth2.Requests;
+
+namespace Google.Apis.Auth.OAuth2
+{
+/// <summary>
+/// Google specific authorization code flow which inherits from <seealso cre
f="AuthorizationCodeFlow"/>.
+/// </summary>
+public class GoogleAuthorizationCodeFlow : AuthorizationCodeFlow
+{
+/// <summary>Constructs a new Google authorization code flow.</summary>
+public GoogleAuthorizationCodeFlow(AuthorizationCodeFlow.Initializer ini
tializer)
+: base(initializer)
+{
+}
+
+public override AuthorizationCodeRequestUrl CreateAuthorizationCodeReque
st(string redirectUri)
+{
+return new GoogleAuthorizationCodeRequestUrl(new Uri(AuthorizationSe
rverUrl))
+{
+ClientId = ClientSecrets.ClientId,
+Scope = string.Join(" ", Scopes),
+RedirectUri = redirectUri
+};
+}
+
+/// <summary>An initializer class for Google authorization code flow. </
summary>
+public new class Initializer : AuthorizationCodeFlow.Initializer
+{
+/// <summary>
+/// Constructs a new initializer. Sets Authorization server URL to·
+/// <seealso cref="GoogleAuthConsts.AuthorizationUrl"/>, and Token s
erver URL to·
+/// <seealso cref="GoogleAuthConsts.TokenUrl"/>.
+/// </summary>
+public Initializer()
+: base(GoogleAuthConsts.AuthorizationUrl, GoogleAuthConsts.Token
Url)
+{
+}
+}
+}
+}