dotnet-installer/test/Microsoft.DotNet.Tools.Tests.Utilities/RuntimeConfig.cs

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2019-10-23 23:09:03 +00:00
// Copyright (c) .NET Foundation and contributors. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
using System;
using System.Text.Json;
using System.IO;
using Microsoft.DotNet.Cli.Utils;
namespace Microsoft.DotNet.TestFramework
{
internal class RuntimeConfigFramework
{
public string Name { get; set; }
public string Version { get; set; }
}
public class RuntimeConfig
{
public bool IsPortable { get; }
internal RuntimeConfigFramework Framework { get; }
public RuntimeConfig(string runtimeConfigPath)
{
var jsonDocumentOptions = new JsonDocumentOptions
{
AllowTrailingCommas = true,
CommentHandling = JsonCommentHandling.Skip
};
using (var stream = File.OpenRead(runtimeConfigPath))
using (JsonDocument doc = JsonDocument.Parse(stream, jsonDocumentOptions))
{
JsonElement root = doc.RootElement;
if (root.TryGetProperty("runtimeOptions", out var runtimeOptionsRoot))
{
if (runtimeOptionsRoot.TryGetProperty("framework", out var framework))
{
var runtimeConfigFramework = new RuntimeConfigFramework();
string name = null;
string version = null;
foreach (var property in framework.EnumerateObject())
{
if (property.Name.Equals("name", StringComparison.OrdinalIgnoreCase))
{
name = property.Value.GetString();
}
if (property.Name.Equals("version", StringComparison.OrdinalIgnoreCase))
{
version = property.Value.GetString();
}
}
if (name == null || version == null)
{
Framework = null;
}
else
{
Framework = new RuntimeConfigFramework
{
Name = name,
Version = version
};
}
}
else
{
Framework = null;
}
}
}
IsPortable = Framework != null;
}
}
}