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using System;
using System.Web;
using MaxPro;
namespace HandlerFile
{
public class FileHttpHandler : IHttpHandler
{
// Переопределяем метод ProcessRequest.
public void ProcessRequest(HttpContext context)
{
//var
Byte[] oImg;
Int32 iId=0;
Int32 iRemInt=0;
//var Zap
Int32 iNum=0;
Exception oErr;
Object[,] oZap=new Object[0,0];
//end var
if(All.IsInteger(context.Request.QueryString["iId"]))
{
iId=Convert.ToInt32(context.Request.QueryString["iId"]);
iNum=Ow.iZap1i("OneWindow.Procedure173","@iId",iId,out oZap,out oErr);
}
else if(All.IsInteger(context.Request.QueryString["iRemInt"]))
{
iId=Convert.ToInt32(context.Request.QueryString["iRemInt"]);
iNum=Ow.iZap1i("OneWindow.Procedure174","@iRemInt",iRemInt,out oZap,out oErr);
}
if(iNum>0)
{
oImg=(Byte[])oZap[0,0];
//генерация бинарного потока
/* Возможно пригодится, хотя ясности нет зачем,
* но когда ie сбоит и не открывает файл, то это помогает, особенно ClearHeaders
* Response.ClearContent()
* Response.ClearHeaders()
*///
context.Response.ContentEncoding=System.Text.Encoding.GetEncoding("UTF-8");
context.Response.Charset="UTF-8";
context.Request.ContentEncoding=System.Text.Encoding.UTF8;
switch (Convert.ToString(oZap[2,0]))
{
case "gif":
context.Response.ContentType="image/GIF";
context.Response.AddHeader("Content-Disposition","filename="+Convert.ToString(oZap[1,0]));
break;
case "jpg":
context.Response.ContentType="image/JPEG";
context.Response.AddHeader("Content-Disposition","filename="+Convert.ToString(oZap[1,0]));
break;
case "jpeg":
context.Response.ContentType="image/JPEG";
context.Response.AddHeader("Content-Disposition","filename="+Convert.ToString(oZap[1,0]));
break;
case "bmp":
context.Response.ContentType="image/BMP";
context.Response.AddHeader("Content-Disposition","filename="+Convert.ToString(oZap[1,0]));
break;
case "png":
context.Response.ContentType="image/PNG";
context.Response.AddHeader("Content-Disposition","filename="+Convert.ToString(oZap[1,0]));
break;
case "txt":
context.Response.ContentType="text/plain";
context.Response.AddHeader("Content-Disposition","filename="+Convert.ToString(oZap[1,0]));
break;
case "htm":
context.Response.ContentType="text/HTML";
context.Response.AddHeader("Content-Disposition","filename="+Convert.ToString(oZap[1,0]));
break;
case "html":
context.Response.ContentType="text/HTML";
context.Response.AddHeader("Content-Disposition","filename="+Convert.ToString(oZap[1,0]));
break;
case "xls":
context.Response.ContentType="application/vnd.ms-excel";
context.Response.AddHeader("Content-Disposition","attachment; filename="+Convert.ToString(oZap[1,0]));
break;
case "doc":
context.Response.ContentType="application/msword";
context.Response.AddHeader("Content-Disposition","attachment; filename="+Convert.ToString(oZap[1,0]));
break;
case "dot":
context.Response.ContentType="application/msword";
context.Response.AddHeader("Content-Disposition","attachment; filename="+Convert.ToString(oZap[1,0]));
break;
case "ppt":
context.Response.ContentType="application/vnd.ms-powerpoint";
context.Response.AddHeader("Content-Disposition","attachment; filename="+Convert.ToString(oZap[1,0]));
break;
default:
context.Response.AddHeader("Content-Disposition","attachment; filename="+Convert.ToString(oZap[1,0]));
break;
}
context.Response.OutputStream.Write(oImg,0,oImg.Length);
}
}
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