mediautilities.cs

Beginning C# Game Programming 的源代码

using System;
using System.IO;
using System.Configuration;

namespace SimpleSprite
{
	/// <summary>
	/// Summary description for MediaUtilities.
	/// </summary>
	public class MediaUtilities
	{
//		private static string defaultPath = @"..\..\media\";
		private static string mediaPath = ConfigurationSettings.AppSettings.Get("MediaPath");
		
		public MediaUtilities()	{
		}

		public static string FindFile(string filename) {
			return FindFile(mediaPath, filename);
		}

		public static string FindFile(string path, string filename) {
			// First try to load the file in the full path
			string fullName = AppendDirectorySeparator(path) + filename;
			if (File.Exists(fullName))
				return fullName;
			else
				throw new FileNotFoundException("Could not find this file.", filename);
		}

		private static string AppendDirectorySeparator(string pathname) {
			if (!pathname.EndsWith(@"\"))
				return pathname + @"\";
			else
				return pathname;
		}
	}
}