How to Parse a Stream of Concatenated JSON Objects with JSON.NET?

Use JSON.NET to parse JSON object stream

Use JSON.NET to deserialize a delimiter-free continuous stream of JSON objects into IEnumerable<T> as follows:

<code class="language-csharp">public IEnumerable<TResult> ReadJson<TResult>(Stream stream)
{
    var serializer = new JsonSerializer();
    serializer.CheckAdditionalContent = false;

    using (var reader = new StreamReader(stream))
    using (var jsonReader = new JsonTextReader(reader))
    {
        jsonReader.SupportMultipleContent = true;

        while (jsonReader.Read())
        {
            yield return serializer.Deserialize<TResult>(jsonReader);
        }
    }
}</code>

Usage:

The following example demonstrates iterating IEnumerable<T> while a stream is open:

<code class="language-csharp">using (var stream = /* some stream */)
{
    IEnumerable<MyClass> result = ReadJson<MyClass>(stream);

    foreach (var item in result)
    {
        Console.WriteLine(item.MyProperty);
    }
}</code>

Other notes:

• Make sure to iterate IEnumerable<T> while the stream is open.
• Set CheckAdditionalContent to false to prevent exceptions when extra content is encountered after deserialization.

Example:

Please refer to the following example on the JSON.NET website: "Read multiple fragments using JsonReader" (//m.sbmmt.com/link/b0a3f2a0d6f86051e6ab6c49d6d99e75).

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