2 * Copyright 2011 GRNET S.A. All rights reserved.
4 * Redistribution and use in source and binary forms, with or
5 * without modification, are permitted provided that the following
8 * 1. Redistributions of source code must retain the above
9 * copyright notice, this list of conditions and the following
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13 * copyright notice, this list of conditions and the following
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17 * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
21 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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35 package gr.grnet.pithos.web.client;
37 import java.util.List;
39 import gr.grnet.pithos.web.client.rest.RestCommand;
41 import com.google.gwt.gears.client.desktop.File;
42 import com.google.gwt.gears.client.httprequest.HttpRequest;
43 import com.google.gwt.gears.client.httprequest.ProgressEvent;
44 import com.google.gwt.gears.client.httprequest.ProgressHandler;
45 import com.google.gwt.gears.client.httprequest.RequestCallback;
48 * The 'File upload' dialog box implementation with Google Gears support
51 public class FileUploadGearsIEDialog extends FileUploadGearsDialog {
54 * Perform the HTTP request to upload the specified file.
57 protected void doSend(final List<File> filesRemaining) {
58 final Pithos app = Pithos.get();
59 HttpRequest request = factory.createHttpRequest();
60 requests.add(request);
61 String method = "POST";
64 final String filename = getFilename(filesRemaining.get(0).getName());
65 path = folder.getUri();
66 if (!path.endsWith("/"))
68 path = path + encode(filename);
70 String token = app.getToken();
71 String resource = path.substring(app.getApiPath().length()-1, path.length());
72 String date = RestCommand.getDate();
73 String sig = RestCommand.calculateSig(method, date, resource, RestCommand.base64decode(token));
74 request.open(method, path);
75 request.setRequestHeader("Authorization", app.getCurrentUserResource().getUsername() + " " + sig);
76 request.setRequestHeader("Accept", "application/json; charset=utf-8");
77 request.setCallback(new RequestCallback() {
79 public void onResponseReceived(HttpRequest req) {
80 // XXX: No error checking, since IE throws an Internal Error
81 // when accessing req.getStatus().
82 filesRemaining.remove(0);
83 if(filesRemaining.isEmpty()){
86 doSend(filesRemaining);
89 request.getUpload().setProgressHandler(new ProgressHandler() {
91 public void onProgress(ProgressEvent event) {
92 double pcnt = (double) event.getLoaded() / event.getTotal();
93 progressBars.get(0).setProgress((int) Math.floor(pcnt * 100));
95 progressBars.remove(0);
98 request.send(filesRemaining.get(0).getBlob());