List of usage examples for com.google.gwt.gears.client.httprequest HttpRequest send
public native void send(String postData);
From source file:com.google.gwt.gears.sample.uploaddemo.client.UploadDemo.java
License:Apache License
/** * This is the entry point method./*from ww w. j a va 2 s .c om*/ */ public void onModuleLoad() { root = RootPanel.get(); final Button browse = new Button("Browse"); final Button upload = new Button("Upload"); upload.setEnabled(false); final TextBox selected = new TextBox(); selected.setEnabled(false); final SimplePanel progressInner = new SimplePanel(); progressInner.addStyleName("progressInner"); final SimplePanel progressGauge = new SimplePanel(); progressGauge.addStyleName("progressGauge"); progressGauge.add(progressInner); final HTML result = new HTML(); browse.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { Desktop desktop = factory.createDesktop(); desktop.openFiles(new OpenFilesHandler() { public void onOpenFiles(OpenFilesEvent event) { File[] files = event.getFiles(); selected.setText(files[0].getName()); selectedFile = files[0].getBlob(); upload.setEnabled(true); } }, true); } }); upload.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { HttpRequest request = factory.createHttpRequest(); request.open("POST", GWT.getModuleBaseURL() + "upload"); request.setRequestHeader("X-Filename", selected.getText()); request.setCallback(new RequestCallback() { public void onResponseReceived(HttpRequest request) { String msg = request.getStatus() + " " + request.getResponseText(); if (request.getStatus() != 200) { result.setHTML("<p style=\"color:red\">" + msg + "</p>"); } else { result.setHTML("<p style=\"color:green\">" + msg + "</p>"); } } }); request.getUpload().setProgressHandler(new ProgressHandler() { public void onProgress(ProgressEvent event) { double pcnt = ((double) event.getLoaded() / event.getTotal()); progressInner.setWidth((int) Math.floor(pcnt * 100) + "%"); } }); request.send(selectedFile); } }); HorizontalPanel inputPanel = new HorizontalPanel(); inputPanel.add(selected); inputPanel.add(browse); inputPanel.add(upload); root.add(inputPanel); root.add(new HTML("Progress:")); root.add(progressGauge); root.add(result); }
From source file:org.gss_project.gss.web.client.FileUploadGearsDialog.java
License:Open Source License
/** * Perform the HTTP request to upload the specified file. *///from w ww. j a va 2 s. c o m protected void doSend(final List<File> filesRemaining) { final GSS app = GSS.get(); HttpRequest request = factory.createHttpRequest(); requests.add(request); String method = "PUT"; String path; final String filename = getFilename(filesRemaining.get(0).getName()); path = folder.getUri(); if (!path.endsWith("/")) path = path + "/"; path = path + encode(filename); String token = app.getToken(); String resource = path.substring(app.getApiPath().length() - 1, path.length()); String date = RestCommand.getDate(); String sig = RestCommand.calculateSig(method, date, resource, RestCommand.base64decode(token)); request.open(method, path); request.setRequestHeader("X-GSS-Date", date); request.setRequestHeader("Authorization", app.getCurrentUserResource().getUsername() + " " + sig); request.setRequestHeader("Accept", "application/json; charset=utf-8"); request.setCallback(new RequestCallback() { @Override public void onResponseReceived(HttpRequest req) { int state = req.getReadyState(); if (state != 4) return; switch (req.getStatus()) { case 201: // Created falls through to updated. case 204: filesRemaining.remove(0); if (filesRemaining.isEmpty()) { finish(); break; } doSend(filesRemaining); break; case 403: SessionExpiredDialog dlg = new SessionExpiredDialog(); dlg.center(); break; case 405: app.displayError("You don't have permission to " + "upload file " + filename); break; case 409: app.displayError("A folder with the name " + filename + " already exists at this level"); break; case 413: app.displayError("There is not enough free space " + "available for uploading " + filename); break; default: app.displayError("Error uploading file " + filename + ": " + req.getStatus()); } } }); request.getUpload().setProgressHandler(new ProgressHandler() { @Override public void onProgress(ProgressEvent event) { double pcnt = (double) event.getLoaded() / event.getTotal(); progressBars.get(0).setProgress((int) Math.floor(pcnt * 100)); if (pcnt * 100 == 100) progressBars.remove(0); } }); request.send(filesRemaining.get(0).getBlob()); }
From source file:org.gss_project.gss.web.client.FileUploadGearsIEDialog.java
License:Open Source License
/** * Perform the HTTP request to upload the specified file. *///www.j a va2s . c o m @Override protected void doSend(final List<File> filesRemaining) { final GSS app = GSS.get(); HttpRequest request = factory.createHttpRequest(); requests.add(request); String method = "POST"; String path; final String filename = getFilename(filesRemaining.get(0).getName()); path = folder.getUri(); if (!path.endsWith("/")) path = path + "/"; path = path + encode(filename); String token = app.getToken(); String resource = path.substring(app.getApiPath().length() - 1, path.length()); String date = RestCommand.getDate(); String sig = RestCommand.calculateSig(method, date, resource, RestCommand.base64decode(token)); request.open(method, path); request.setRequestHeader("X-GSS-Date", date); request.setRequestHeader("Authorization", app.getCurrentUserResource().getUsername() + " " + sig); request.setRequestHeader("Accept", "application/json; charset=utf-8"); request.setCallback(new RequestCallback() { @Override public void onResponseReceived(HttpRequest req) { // XXX: No error checking, since IE throws an Internal Error // when accessing req.getStatus(). filesRemaining.remove(0); if (filesRemaining.isEmpty()) { finish(); } doSend(filesRemaining); } }); request.getUpload().setProgressHandler(new ProgressHandler() { @Override public void onProgress(ProgressEvent event) { double pcnt = (double) event.getLoaded() / event.getTotal(); progressBars.get(0).setProgress((int) Math.floor(pcnt * 100)); if (pcnt * 100 == 100) progressBars.remove(0); } }); request.send(filesRemaining.get(0).getBlob()); }