2 * Copyright 2009 Electronic Business Systems Ltd.
4 * This file is part of GSS.
6 * GSS is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * GSS is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with GSS. If not, see <http://www.gnu.org/licenses/>.
19 package gr.ebs.gss.client;
21 import gr.ebs.gss.client.rest.RestCommand;
23 import com.google.gwt.gears.client.desktop.File;
24 import com.google.gwt.gears.client.httprequest.HttpRequest;
25 import com.google.gwt.gears.client.httprequest.ProgressEvent;
26 import com.google.gwt.gears.client.httprequest.ProgressHandler;
27 import com.google.gwt.gears.client.httprequest.RequestCallback;
30 * The 'File upload' dialog box implementation with Google Gears support
33 public class FileUploadGearsIEDialog extends FileUploadGearsDialog implements Updateable {
36 * Perform the HTTP request to upload the specified file.
39 protected void doSend(final File file, final int index) {
40 final GSS app = GSS.get();
41 HttpRequest request = factory.createHttpRequest();
42 requests.add(request);
43 String method = "POST";
46 final String filename = getFilename(file.getName());
47 path = folder.getUri();
48 if (!path.endsWith("/"))
50 path = path + encode(filename);
52 String token = app.getToken();
53 String resource = path.substring(app.getApiPath().length()-1, path.length());
54 String date = RestCommand.getDate();
55 String sig = RestCommand.calculateSig(method, date, resource, RestCommand.base64decode(token));
56 request.open(method, path);
57 request.setRequestHeader("X-GSS-Date", date);
58 request.setRequestHeader("Authorization", app.getCurrentUserResource().getUsername() + " " + sig);
59 request.setRequestHeader("Accept", "application/json; charset=utf-8");
60 request.setCallback(new RequestCallback() {
62 public void onResponseReceived(HttpRequest req) {
63 // XXX: No error checking, since IE throws an Internal Error
64 // when accessing req.getStatus().
65 selectedFiles.remove(file);
69 request.getUpload().setProgressHandler(new ProgressHandler() {
71 public void onProgress(ProgressEvent event) {
72 double pcnt = (double) event.getLoaded() / event.getTotal();
73 progressBars.get(index).setProgress((int) Math.floor(pcnt * 100));
76 request.send(file.getBlob());