Issue 351: Reimplement OAuth2 - Step 2 (Auth PCL - only data types)

Src/GoogleApis.Auth/OAuth2/Requests/AuthorizationRequestUrl.cs

Index: Src/GoogleApis.Auth/OAuth2/Requests/AuthorizationRequestUrl.cs
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new file mode 100644
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 b/Src/GoogleApis.Auth/OAuth2/Requests/AuthorizationRequestUrl.cs
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 /*
 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;
 namespace Google.Apis.Auth.OAuth2.Requests
 {
 /// <summary>
 /// OAuth 2.0 request URL for an authorization web page to allow the end user to authorize the application to
 /// access their protected resources, as specified in http://tools.ietf.org/html/rfc6749#section-3.1.
 /// </summary>
 public class AuthorizationRequestUrl
 {
 /// <summary>
 /// Gets or sets the response type which must be <c>code</c> for requesting an authorization code or
 /// <c>token</c> for requesting an access token (implicit grant), or space separated registered extension
 /// values. See http://tools.ietf.org/html/rfc6749#section-3.1.1 for more details
 /// </summary>
 [Google.Apis.Util.RequestParameterAttribute("response_type", Google.Apis.Util.RequestParameterType.Query)]
 public string ResponseType { get; set; }
 /// <summary>Gets or sets the client identifier.</summary>
 [Google.Apis.Util.RequestParameterAttribute("client_id", Google.Apis.Util.RequestParameterType.Query)]
 public string ClientId { get; set; }
 /// <summary>
 /// Gets or sets the URI that the authorization server directs the resource owner's user-agent back to the
 /// client after a successful authorization grant, as specified in
 /// http://tools.ietf.org/html/rfc6749#section-3.1.2 or <c>null</c> for none.
 /// </summary>
 [Google.Apis.Util.RequestParameterAttribute("redirect_uri", Google.Apis.Util.RequestParameterType.Query)]
 public string RedirectUri { get; set; }
 /// <summary>
 /// Gets or sets space-separated list of scopes, as specified in http://tools.ietf.org/html/rfc6749#section-3.3
 /// or <c>null</c> for none.
 /// </summary>
 [Google.Apis.Util.RequestParameterAttribute("scope", Google.Apis.Util.RequestParameterType.Query)]
 public string Scope { get; set; }
 /// <summary>
 /// Gets or sets the state (an opaque value used by the client to maintain state between the request and
 /// callback, as mentioned in http://tools.ietf.org/html/rfc6749#section-3.1.2.2 or <c>null</c> for none.
 /// </summary>
 [Google.Apis.Util.RequestParameterAttribute("state", Google.Apis.Util.RequestParameterType.Query)]
 public string State { get; set; }
 private readonly Uri authorizationServerEncodedUrl;
 /// <summary>
 /// Gets the authorization server encoded URL.
 /// </summary>
 public Uri AuthorizationServerEncodedUrl
 {
 get { return authorizationServerEncodedUrl; }
 }
 /// <summary>Constructs a new authorization request with the specified URI.</summary>
 /// <param name="authorizationServerEncodedUrl">Authorization server encoded URI</param>
 public AuthorizationRequestUrl(Uri authorizationServerEncodedUrl)
 {
 this.authorizationServerEncodedUrl = authorizationServerEncodedUrl;
 }
 }
 }