commons-fileup 샘플

요즘은 정말 스택오버플로우의 코드조각을 많이 참고합니다.

2000년에 만들어진 cos.jar를 보내드리고, 아파치 커먼스의 업로드 컴포넌트를 사용해 봤습니다.

https://github.com/kenu/oksample/tree/master/commons-fileup

/**
 * code from: http://stackoverflow.com/questions/15432024/how-to-upload-a-file-using-commons-file-upload-streaming-api 
 */
@WebServlet("/upload4")
public class UploadServlet4 extends HttpServlet {
        private static final long serialVersionUID = 1L;

        protected void doPost(HttpServletRequest request,
                        HttpServletResponse response) throws ServletException, IOException {
                PrintWriter out = response.getWriter();
                response.setHeader("Content-Type", "text/html");
                out.print("Request content length is " + request.getContentLength()
                                + "<br/>");
                out.print("Request content type is "
                                + request.getHeader("Content-Type") + "<br/>");
                boolean isMultipart = ServletFileUpload.isMultipartContent(request);
                if (isMultipart) {
                        ServletFileUpload upload = new ServletFileUpload();
                        try {
                                FileItemIterator iter = upload.getItemIterator(request);
                                FileItemStream item = null;
                                String name = "";
                                InputStream stream = null;
                                while (iter.hasNext()) {
                                        item = iter.next();
                                        name = item.getFieldName();
                                        stream = item.openStream();
                                        if (item.isFormField()) {
                                                out.write("Form field " + name + ": "
                                                                + Streams.asString(stream) + "<br/>");
                                        } else {
                                                name = item.getName();
                                                System.out.println("name==" + name);
                                                if (name != null && !"".equals(name)) {
                                                        String fileName = new File(item.getName())
                                                                        .getName();
                                                        out.write("Client file: " + item.getName()
                                                                        + " <br/>with file name " + fileName
                                                                        + " was uploaded.<br/>");
                                                        File file = new File(getServletContext()
                                                                        .getRealPath("/" + fileName));
                                                        FileOutputStream fos = new FileOutputStream(file);
                                                        long fileSize = Streams.copy(stream, fos, true);
                                                        out.write("Size was " + fileSize + " bytes <br/>");
                                                        out.write("File Path is " + file.getPath()
                                                                        + "<br/>");
                                                }
                                        }
                                }
                        } catch (FileUploadException fue) {
                                out.write("fue!!!!!!!!!");
                        }
                }
        }
}