Mastering Advanced Options in C# with Groupdocs.conversion to Convert JSON to XML

convert_json_to_xml.cs

using System;
using System.IO;
using System.Text;
using System.Xml;
using GroupDocs.Conversion;
using GroupDocs.Conversion.Options.Convert;
using GroupDocs.Conversion.Options.Load;

namespace JsonToXmlConversion
{
    class Program
    {
        static void Main(string[] args)
        {
            // Path to the source JSON file
            string jsonPath = @"C:\Data\input.json";

            // Path for the resulting XML file
            string xmlOutputPath = @"C:\Data\output.xml";

            // Prepare load options for large files
            var loadOptions = new LoadOptions
            {
                // Adjust buffer size as needed (bytes)
                BufferSize = 8192
            };

            // Configure WebConvertOptions for XML output
            var webOptions = new WebConvertOptions
            {
                TargetFormat = WebFormat.Xml,
                RootElementName = "Root",
                Encoding = Encoding.UTF8,
                XmlWriterSettings = new XmlWriterSettings
                {
                    Indent = true,
                    IndentChars = "  ",
                    OmitXmlDeclaration = false
                }
            };

            try
            {
                // Open a file stream for the JSON input (read‑only, asynchronous)
                using (var jsonStream = new FileStream(jsonPath, FileMode.Open, FileAccess.Read, FileShare.Read, 8192, true))
                // Create a file stream for the XML output (create or overwrite)
                using (var xmlStream = new FileStream(xmlOutputPath, FileMode.Create, FileAccess.Write, FileShare.None, 8192, true))
                // Initialize the Converter with the input stream and load options
                using (var converter = new Converter(jsonStream, loadOptions))
                {
                    // Perform the conversion synchronously
                    var result = converter.Convert(xmlStream, webOptions);

                    if (result.IsSuccessful)
                    {
                        Console.WriteLine($"Conversion succeeded. XML saved to: {xmlOutputPath}");
                    }
                    else
                    {
                        Console.WriteLine($"Conversion failed: {result.ErrorMessage}");
                    }
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine($"Exception during conversion: {ex.Message}");
            }
        }
    }
}