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