TFS Copy Files Custom Activity

CopyFiles.cs

using System;
using System.Activities;
using System.Collections.Generic;
using System.IO;
using System.Linq;

namespace BuildTasks.Activities
{
	public class CopyFiles : CodeActivity
	{
		[RequiredArgument]
		public InArgument<IEnumerable<string>> SourceFileMasks { get; set; }

		[RequiredArgument]
		public InArgument<string> SourceDirectory { get; set; }

		[RequiredArgument]
		public InArgument<string> DestinationDirectory { get; set; }
		
		public InArgument<bool> OverwriteFiles { get; set; }

		protected override void Execute(CodeActivityContext context)
		{
			var sourceFileMasks = context.GetValue(SourceFileMasks);
			if (sourceFileMasks == null || sourceFileMasks.Count() == 0) return;

			var sourceDirectory = new DirectoryInfo(context.GetValue(SourceDirectory));
			if (!sourceDirectory.Exists) return;

			var destinationDirectory = context.GetValue(DestinationDirectory);
			if (!Directory.Exists(destinationDirectory)) return;

			var overwrite = context.GetValue(OverwriteFiles);

			foreach (var sourceFileMask in sourceFileMasks)
			{
				var sourceFiles = sourceDirectory.GetFiles(sourceFileMask);
				foreach (var sourceFile in sourceFiles)
				{
					sourceFile.CopyTo(Path.Combine(destinationDirectory, sourceFile.Name), overwrite);
				}
			}
		}
	}
}