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@@ -0,0 +1,83 @@
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+using System.IO;
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+using System.Threading.Tasks;
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+using MediaBrowser.Common.Serialization;
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+using System;
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+
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+namespace MediaBrowser.Common.Net.Handlers
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+{
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+ public abstract class BaseJsonHandler<T> : BaseHandler
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+ {
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+ public SerializationFormat SerializationFormat
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+ {
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+ get
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+ {
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+ string format = QueryString["dataformat"];
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+
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+ if (string.IsNullOrEmpty(format))
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+ {
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+ return Handlers.SerializationFormat.Json;
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+ }
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+
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+ return (SerializationFormat)Enum.Parse(typeof(SerializationFormat), format, true);
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+ }
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+ }
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+
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+ public override Task<string> GetContentType()
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+ {
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+ switch (SerializationFormat)
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+ {
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+ case Handlers.SerializationFormat.Jsv:
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+ return Task.FromResult<string>("text/plain");
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+ default:
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+ return Task.FromResult<string>(MimeTypes.JsonMimeType);
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+ }
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+ }
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+
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+ private bool _ObjectToSerializeEnsured = false;
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+ private T _ObjectToSerialize;
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+
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+ private async Task EnsureObjectToSerialize()
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+ {
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+ if (!_ObjectToSerializeEnsured)
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+ {
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+ _ObjectToSerialize = await GetObjectToSerialize().ConfigureAwait(false);
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+
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+ if (_ObjectToSerialize == null)
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+ {
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+ StatusCode = 404;
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+ }
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+
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+ _ObjectToSerializeEnsured = true;
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+ }
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+ }
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+
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+ protected abstract Task<T> GetObjectToSerialize();
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+
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+ protected override Task PrepareResponse()
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+ {
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+ return EnsureObjectToSerialize();
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+ }
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+
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+ protected async override Task WriteResponseToOutputStream(Stream stream)
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+ {
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+ await EnsureObjectToSerialize();
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+
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+ switch (SerializationFormat)
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+ {
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+ case Handlers.SerializationFormat.Jsv:
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+ JsvSerializer.SerializeToStream<T>(_ObjectToSerialize, stream);
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+ break;
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+ default:
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+ JsonSerializer.SerializeToStream<T>(_ObjectToSerialize, stream);
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+ break;
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+ }
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+ }
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+ }
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+
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+ public enum SerializationFormat
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+ {
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+ Json,
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+ Jsv
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+ }
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+
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+}
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