파일 다운로드 최신

String real	= propertyService.getString("Globals.fileStorePath");

String mimetype 	= "application/x-msdownload";
String fileName		= "다운로드 될 파일명";
File downFile 		= new File(real+File.separator+"","저장소 파일명");
int fSize 			= (int)downFile.length();
if(!downFile.exists()) {
	return;
}

response.setBufferSize(fSize);
response.setContentType(mimetype);
setDisposition(fileName, request, response);
response.setContentLength(fSize);

FileInputStream fis		= null;
FileChannel ins			= null;
WritableByteChannel out	= null;
try{
	fis		= new FileInputStream(downFile);
	ins		= fis.getChannel();
	out		= Channels.newChannel(response.getOutputStream());
	ins.transferTo(0,ins.size(),out);
}catch(Exception e){
	e.printStackTrace();
}finally {
	try{if(out != null) out.close();}catch(Exception e){e.printStackTrace();}
    try{if(ins != null) ins.close();}catch(Exception e){e.printStackTrace();}
    try{if(fis != null) fis.close();}catch(Exception e){e.printStackTrace();}
}