(Android) 웹에서 Text,Image 등 파일 읽어오기

public void HttpDown(String Url, String FileName) 

{

URL imageDownUrl; 

int Read; 

try { 

imageDownUrl = new URL(Url); 

HttpURLConnection conn= (HttpURLConnection)imageurl.openConnection(); 

conn.connect(); 

int len = conn.getContentLength();

byte[] raster = new byte[len]; 

InputStream is = conn.getInputStream(); 

FileOutputStream fos = openFileOutput(FileName, MODE_WORLD_READABLE);

for (;;) 

{

Read = is.read(raster); 

if (Read <= 0) 

{ 

break; 

} 

fos.write(raster,0, Read); 

} 

is.close(); 

fos.close(); 

} catch (Exception e) { 

System.out.println("error");

return; 

} 

}