src/Task/FileHandlers/JsonFileHandler.cs


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using System.Text.Json;
using System.Threading.Tasks;

namespace AggregateConfigBuildTask.FileHandlers
{
    /// <inheritdoc/>
    public class JsonFileHandler : IFileHandler
    {
        private readonly IFileSystem fileSystem;

        private readonly JsonSerializerOptions jsonOptions = new JsonSerializerOptions { WriteIndented = true };

        internal JsonFileHandler(IFileSystem fileSystem)
        {
            this.fileSystem = fileSystem;
        }

        /// <inheritdoc/>
        public async ValueTask<JsonElement> ReadInput(string inputPath)
        {
            using (var json = fileSystem.OpenRead(inputPath))
            {
                return await JsonSerializer.DeserializeAsync<JsonElement>(json).ConfigureAwait(false);
            }
        }

        /// <inheritdoc/>
        public void WriteOutput(JsonElement? mergedData, string outputPath)
        {
            var jsonContent = JsonSerializer.Serialize(mergedData, jsonOptions);
            fileSystem.WriteAllText(outputPath, jsonContent);
        }
    }
}