jellyfin/MediaBrowser.Common/Net/Handlers/BaseJsonHandler.cs

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C#
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using System.IO;
using System.Threading.Tasks;
using MediaBrowser.Common.Serialization;
namespace MediaBrowser.Common.Net.Handlers
{
public abstract class BaseJsonHandler<T> : BaseHandler
{
public override Task<string> GetContentType()
{
return Task.Run(() =>
{
return MimeTypes.JsonMimeType;
});
}
private bool _ObjectToSerializeEnsured = false;
private T _ObjectToSerialize;
private async Task EnsureObjectToSerialize()
{
if (!_ObjectToSerializeEnsured)
{
_ObjectToSerialize = await GetObjectToSerialize();
if (_ObjectToSerialize == null)
{
StatusCode = 404;
}
_ObjectToSerializeEnsured = true;
}
}
protected abstract Task<T> GetObjectToSerialize();
protected override async Task PrepareResponse()
{
await EnsureObjectToSerialize();
}
protected async override Task WriteResponseToOutputStream(Stream stream)
{
await EnsureObjectToSerialize();
JsonSerializer.SerializeToStream<T>(_ObjectToSerialize, stream);
}
}
}