Fix bugs for long pull and nested union

Author: qimingyuan

Dropbox.Api/Dropbox.Api.nuspec

@@ -2,7 +2,7 @@
 <package >
   <metadata>
     <id>$id$</id>
-    <version>2.0.0</version>
+    <version>2.0.1</version>
     <title>Dropbox v2 API Beta</title>
     <authors>Dropbox Inc</authors>
     <owners>Dropbox Inc</owners>
@@ -12,7 +12,7 @@
     <iconUrl>https://cf.dropboxstatic.com/static/images/icons/blue_dropbox_glyph.png</iconUrl>
     <requireLicenseAcceptance>false</requireLicenseAcceptance>
     <description>Portable class library for accessing the Dropbox v2 API</description>
-    <releaseNotes>Preview Release. Major code refactoring. Improved json parsing performance. Added shared folder endpoints.</releaseNotes>
+    <releaseNotes>Preview Release. Bug fixes.</releaseNotes>
     <copyright>Copyright (c) Dropbox Inc. 2015</copyright>
     <tags>Dropbox Api</tags>
   </metadata>

Dropbox.Api/DropboxRequestHandler.cs

@@ -340,7 +340,11 @@ private async Task<Result> RequestJsonString(
 
             var request = new HttpRequestMessage(HttpMethod.Post, uri);
 
-            request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", this.options.OAuth2AccessToken);
+            if (host != HostType.ApiNotify)
+            {
+                request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", this.options.OAuth2AccessToken);
+            }
+
             request.Headers.TryAddWithoutValidation("User-Agent", this.options.UserAgent);
 
             if (this.selectUser != null)
@@ -576,6 +580,11 @@ internal class HostType
         /// Host type for api content.
         /// </summary>
         public const string ApiContent = "content";
+
+        /// <summary>
+        /// Host type for api notify.
+        /// </summary>
+        public const string ApiNotify = "notify";
     }
 
     /// <summary>
@@ -593,6 +602,11 @@ internal sealed class DrpoboxRequestHandlerOptions
         /// </summary>
         private const string DefaultApiContentDomain = "content.dropboxapi.com";
 
+        /// <summary>
+        /// The default api notify domain
+        /// </summary>
+        private const string DefaultApiNotifyDomain = "notify.dropboxapi.com";
+
         /// <summary>
         /// The base user agent, used to construct all user agent strings.
         /// </summary>
@@ -613,6 +627,8 @@ internal sealed class DrpoboxRequestHandlerOptions
         /// this is for internal Dropbox use only.</param>
         /// <param name="apiContentHostname">The hostname that will process api content requests;
         /// this is for internal Dropbox use only.</param>
+        /// <param name="apiNotifyHostname">The hostname that will process api notify requests;
+        /// this is for internal Dropbox use only.</param>
         /// <param name="httpClient">The custom http client. If not provided, a default 
         /// http client will be created.</param>
         public DrpoboxRequestHandlerOptions(
@@ -621,6 +637,7 @@ public DrpoboxRequestHandlerOptions(
             string userAgent = null,
             string apiHostname = DefaultApiDomain,
             string apiContentHostname = DefaultApiContentDomain,
+            string apiNotifyHostname = DefaultApiNotifyDomain,
             HttpClient httpClient = null)
         {
             var name = new AssemblyName(typeof(DrpoboxRequestHandlerOptions).Assembly.FullName);
@@ -636,7 +653,8 @@ public DrpoboxRequestHandlerOptions(
             this.HostMap = new Dictionary<string, string>
             {
                 { HostType.Api, apiHostname },
-                { HostType.ApiContent, apiContentHostname }
+                { HostType.ApiContent, apiContentHostname },
+                { HostType.ApiNotify, apiNotifyHostname }
             };
         }
 

Dropbox.Api/Files/MediaInfo.cs

@@ -301,13 +301,22 @@ protected override Metadata Create()
                 }
 
                 /// <summary>
-                /// <para>Decode fields without ensuring start and end object.</para>
+                /// <para>Set given field.</para>
                 /// </summary>
+                /// <param name="value">The field value.</param>
+                /// <param name="fieldName">The field name.</param>
                 /// <param name="reader">The json reader.</param>
-                /// <returns>The decoded object.</returns>
-                public override Metadata DecodeFields(enc.IJsonReader reader)
+                protected override void SetField(Metadata value, string fieldName, enc.IJsonReader reader)
                 {
-                    return new Metadata(MediaMetadata.Decoder.DecodeFields(reader));
+                    switch (fieldName)
+                    {
+                        case "metadata":
+                            value.Value = MediaMetadata.Decoder.Decode(reader);
+                            break;
+                        default:
+                            SkipProperty(reader);
+                            break;
+                    }
                 }
             }