Continue implementing the progress tracking.

@@ -62,7 +62,19 @@ public class NGINXUploadProcessor extends HttpServlet {
 			throws ServletException, IOException {
         if (request.getRequestURI().contains("progress")) {
             PrintWriter out = new PrintWriter(response.getWriter());
-            out.println("({ \"state\" : \"uploading\", \"received\" : 21216, \"size\" : 379686 });");
+            String xProgressId = request.getHeader("X-Progress-ID");
+            System.err.println("PROGRESS: " + xProgressId);
+            if (xProgressId != null && progress.get(xProgressId) != null) {
+                ProgressRecord record = progress.get(xProgressId);
+                String status = "done";
+                if (record.bytesRead < record.contentLength) {
+                    status = "uploading";
+                }
+                out.println("({ \"state\" : \""+ status +"\", \"received\" : " +
+			record.bytesRead + ", \"size\" : " + record.contentLength + " });");
+            } else {
+                out.println("({ \"error\" : \"Invalid X-Progress-ID\" });");
+            }
             out.close();
         } else {
             if (ServletFileUpload.isMultipartContent(request)) {
@@ -84,6 +96,7 @@ public class NGINXUploadProcessor extends HttpServlet {
                 try {
                 	Map<String, FileItem> itemMap = new HashMap<String, FileItem>();
                     String xProgressId = request.getParameter("X-Progress-ID");
+                    System.err.println("STORE: " + xProgressId);
 
                 	class UploadProgressListener implements ProgressListener {
                 		String xProgressId;
@@ -101,6 +114,8 @@ public class NGINXUploadProcessor extends HttpServlet {
                 	};
                 	
                 	ProgressListener listener = (ProgressListener) new UploadProgressListener(xProgressId, this.progress); 
+
+			progress.put(xProgressId, new ProgressRecord(-1, 0, 1));
                 	
                 	upload.setProgressListener(listener);
                     List<FileItem> items = (List<FileItem>)upload.parseRequest(request);