import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import javax.servlet.http.HttpServletRequest;

import org.apache.struts.upload.FormFile;

public class UploadFile {
 private static String filePath = "/upload";

 @SuppressWarnings("deprecation")
 public static String buildDivContextFile(HttpServletRequest request,
   FormFile file, String id) throws FileNotFoundException, IOException {
  String fileName = "";
  filePath = request.getRealPath("/upload");
  synchronized (UploadFile.class) {
   File dirFile = new File(filePath);
   if (!dirFile.exists() || !dirFile.isDirectory()) {
    dirFile.mkdir();
   }
   int theIndex = 0;
   String fname = new String(file.getFileName().getBytes(), "utf-8");
   theIndex = fname.indexOf(".");
   String suffix = fname.substring(theIndex);
   fileName = id + suffix;
   InputStream streamIn = file.getInputStream();
   OutputStream streamOut = new FileOutputStream(filePath + "/"
     + fileName);
   int bytesRead = 0;
   byte[] buffer = new byte[8192];
   while ((bytesRead = streamIn.read(buffer, 0, 8192)) != -1) {
    streamOut.write(buffer, 0, bytesRead);
   }
   streamOut.close();
   streamIn.close();
   file.destroy();
  }
  return fileName;
 }
}