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

namespace WWPipeLine.MapWebTools.Tools
{
	/// <summary>
	/// PictureUpload 的摘要说明
	/// </summary>
	public class PictureUpload : IHttpHandler
	{
		private static string imgUploadDir = System.Configuration.ConfigurationManager.ConnectionStrings["imgUploadDir"].ConnectionString;
		private static string GISversion = System.Configuration.ConfigurationManager.ConnectionStrings["GISversion"].ConnectionString;

		public void ProcessRequest(HttpContext context)
		{
			//context.Response.ContentType = "text/plain";
			//context.Response.Write("Hello World");
			string action = context.Request.QueryString["action"];
			switch (action)
			{
				case "UpLoadFile":
					UpLoadFile(context);
					break;
				case "getGISversion":
					{
						context.Response.Write(GISversion);
						context.Response.End();
					}
					break;
				default:
					UpLoadFile(context);
					break;
			}

		}
		private void UpLoadFile(HttpContext context)
		{
			try
			{
				string fileName = context.Request.QueryString["name"];
				if (string.IsNullOrEmpty(fileName))
				{
					context.Response.Write(""); context.Response.End(); return;
				}
				string imgMapPath = context.Server.MapPath(imgUploadDir);
				if (!Directory.Exists(imgMapPath))
					Directory.CreateDirectory(imgMapPath);
				foreach (string f in context.Request.Files.AllKeys)
				{
					HttpPostedFile httpPostedFile = context.Request.Files[f];
					httpPostedFile.SaveAs(imgMapPath + fileName);
				}
				context.Response.Write(imgUploadDir + fileName);
			}
			catch (Exception ex)
			{
				context.Response.Write("");
			}
			finally
			{
				context.Response.End();
			}
		}

		public bool IsReusable
		{
			get
			{
				return false;
			}
		}
	}
}