C# <-> JSP (Tomcat) 간 파일 업로드

C#

public static string UploadFilesToRemoteUrl(string url, string[] files, NameValueCollection formFields = null) { try { string boundary = "----------------------------" + DateTime.Now.Ticks.ToString("x"); HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url); request.ContentType = "multipart/form-data; boundary=" + boundary; request.Method = "POST"; request.KeepAlive = true; Stream memStream = new System.IO.MemoryStream(); var boundarybytes = System.Text.Encoding.ASCII.GetBytes("\r\n--" + boundary + "\r\n"); var endBoundaryBytes = System.Text.Encoding.ASCII.GetBytes("\r\n--" + boundary + "--"); string formdataTemplate = "\r\n--" + boundary + "\r\nContent-Disposition: form-data; name=\"{0}\";\r\n\r\n{1}"; if (formFields != null) { foreach (string key in formFields.Keys) { string formitem = string.Format(formdataTemplate, key, formFields[key]); byte[] formitembytes = System.Text.Encoding.UTF8.GetBytes(formitem); memStream.Write(formitembytes, 0, formitembytes.Length); } } string headerTemplate = "Content-Disposition: form-data; name=\"{0}\"; filename=\"{1}\"\r\n" + "Content-Type: application/octet-stream\r\n\r\n"; for (int i = 0; i < files.Length; i++) { memStream.Write(boundarybytes, 0, boundarybytes.Length); var header = string.Format(headerTemplate, "uplTheFile_" + i.ToString(), files[i]); var headerbytes = System.Text.Encoding.UTF8.GetBytes(header); memStream.Write(headerbytes, 0, headerbytes.Length); using (var fileStream = new FileStream(files[i], FileMode.Open, FileAccess.Read)) { var buffer = new byte[1024]; var bytesRead = 0; while ((bytesRead = fileStream.Read(buffer, 0, buffer.Length)) != 0) { memStream.Write(buffer, 0, bytesRead); } } } memStream.Write(endBoundaryBytes, 0, endBoundaryBytes.Length); request.ContentLength = memStream.Length; using (Stream requestStream = request.GetRequestStream()) { memStream.Position = 0; byte[] tempBuffer = new byte[memStream.Length]; memStream.Read(tempBuffer, 0, tempBuffer.Length); memStream.Close(); requestStream.Write(tempBuffer, 0, tempBuffer.Length); } using (var response = request.GetResponse()) { Stream stream2 = response.GetResponseStream(); StreamReader reader2 = new StreamReader(stream2); return reader2.ReadToEnd(); } } catch { } return null; } public static string UploadFilesToRemoteUrl(string url, List<string> files, NameValueCollection formFields = null) { return UploadFilesToRemoteUrl(url, files.ToArray(), formFields); }

JSP

String DT = Date_util.getCurrentDateTime("yyyyMMdd"); File file; int maxFileSize = 5000 * 1024; int maxMemSize = 5000 * 1024; String filePath = File_path.upload_file_path + DT + "/"; File _filePath = new File(filePath); if (_filePath.exists() == false) { _filePath.mkdirs(); } String contentType = request.getContentType(); if ((contentType.indexOf("multipart/form-data") >= 0)) { DiskFileItemFactory factory = new DiskFileItemFactory(); factory.setSizeThreshold(maxMemSize); factory.setRepository(new File(filePath + "/temp")); ServletFileUpload upload = new ServletFileUpload(factory); upload.setSizeMax(maxFileSize); try { List fileItems = upload.parseRequest(request); Iterator i = fileItems.iterator(); out.clear(); while (i.hasNext()) { FileItem fi = (FileItem) i.next(); if (!fi.isFormField()) { String fieldName = fi.getFieldName(); String fileName = fi.getName(); boolean isInMemory = fi.isInMemory(); long sizeInBytes = fi.getSize(); file = new File(filePath + fileName); fi.write(file); out.println(filePath + fileName + "\r\n"); } } } catch (Exception ex) { System.out.println(ex); } } else { }