src/test/Example.Extension/ExampleExtensionFactory.cs


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// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.

namespace Example.Extension
{
    using System;
    using WixToolset.Extensibility;

    public class ExampleExtensionFactory : IExtensionFactory
    {
        private ExamplePreprocessorExtensionAndCommandLine preprocessorExtension;

        public bool TryCreateExtension(Type extensionType, out object extension)
        {
            if (extensionType == typeof(IExtensionCommandLine) || extensionType == typeof(IPreprocessorExtension))
            {
                if (preprocessorExtension == null)
                {
                    preprocessorExtension = new ExamplePreprocessorExtensionAndCommandLine();
                }

                extension = preprocessorExtension;
            }
            else if (extensionType == typeof(ICompilerExtension))
            {
                extension = new ExampleCompilerExtension();
            }
            else if (extensionType == typeof(IExtensionData))
            {
                extension = new ExampleExtensionData();
            }
            else
            {
                extension = null;
            }
            
            return extension != null;
        }
    }
}