serlvet 파일 업로드

public static ListfileUploader(HttpServletRequest request,String filePath)
List<String> fileNames = new ArrayList<String>(); for (Part part : request.getParts()) { if (part.getContentType() == null) { continue; } String fileName = getFileName(part); fileUpload(filePath,fileName,part); fileNames.add(fileName); } return fileNames; private static void fileUpload(String filePath,String fileName,Part part)
File file = new File(filePath); if (!file.isDirectory()) { file.mkdirs(); } InputStream is = null; is = part.getInputStream(); if (fileName != null) { FileOutputStream os = new FileOutputStream(filePath + fileName); byte[] buffer = new byte[1024]; BufferedInputStream bis = new BufferedInputStream(is); BufferedOutputStream bos = new BufferedOutputStream(os); int i = 0; while ((i = bis.read(buffer)) != -1) { bos.write(buffer); } bos.flush(); bos.close(); os.close(); bis.close(); is.close(); } private static String getFileName(Part part)
String name = null; String filename = null; for (String cd : part.getHeader("content-disposition").split(";")) { if (cd.trim().startsWith("filename")) { String filePath = cd.substring(cd.indexOf('=') + 1).trim() .replace("\"", ""); File file = new File(filePath); filename = file.getName(); } else if (cd.trim().startsWith("name")) { name = cd.substring(cd.indexOf('=') + 1).trim() .replace("\"", ""); } } return filename;