/**
* This constructor allows to use an existing form panel.
*
* @param type file input to use
* @param status Customized status widget to use
* @param submitButton Customized button which submits the form
* @param form Customized form panel
*/
public SingleUploader(
FileInputType type, IUploadStatus status, Widget submitButton, FormPanel form) {
super(type, form);
final Uploader thisInstance = this;
if (status == null) {
status = new BaseUploadStatus();
super.add(status.getWidget());
}
super.setStatusWidget(status);
this.button = submitButton;
if (submitButton != null) {
submitButton.addStyleName("submit");
if (submitButton instanceof HasClickHandlers) {
((HasClickHandlers) submitButton)
.addClickHandler(
new ClickHandler() {
public void onClick(ClickEvent event) {
thisInstance.submit();
}
});
}
if (submitButton instanceof HasText) {
((HasText) submitButton).setText(I18N_CONSTANTS.uploaderSend());
}
// The user could have attached the button anywhere in the page.
if (!submitButton.isAttached()) {
super.add(submitButton);
}
}
}
/**
* The doPost method of the servlet. <br>
* This method is called when a form has its tag value method equals to post.
*
* @param request the request send by the client to the server
* @param response the response send by the server to the client
* @throws ServletException if an error occurred
* @throws IOException if an error occurred
*/
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
request.setCharacterEncoding("UTF-8");
response.setCharacterEncoding("UTF-8");
String param = request.getParameter("action");
Uploader up = new Uploader(request);
String path = "upload";
up.setSavePath(path);
String[] fileType = {".gif", ".png", ".jpg", ".jpeg", ".bmp"};
up.setAllowFiles(fileType);
up.setMaxSize(10000); // 单位KB
if (param != null && param.equals("tmpImg")) {
try {
up.upload();
} catch (Exception e) {
e.printStackTrace();
}
response
.getWriter()
.print(
"<script>parent.ue_callback('" + up.getUrl() + "','" + up.getState() + "')</script>");
} else {
up.uploadBase64("content");
response.getWriter().print("{'url':'" + up.getUrl() + "',state:'" + up.getState() + "'}");
}
}
/* (non-Javadoc)
* @see gwtupload.client.Uploader#setAutoSubmit(boolean)
*/
@Override
public void setAutoSubmit(boolean b) {
if (button != null) {
button.setVisible(!b);
}
super.setAutoSubmit(b);
}
/* (non-Javadoc)
* @see gwtupload.client.Uploader#onFinishUpload()
*/
@Override
protected void onFinishUpload() {
super.onFinishUpload();
if (getStatus() == Status.REPEATED) {
getStatusWidget().setError(getI18NConstants().uploaderAlreadyDone());
}
getStatusWidget().setStatus(Status.UNINITIALIZED);
reuse();
assignNewNameToFileInput();
for (Widget i : formWidgets) {
if (i instanceof Hidden) {
Hidden h = (Hidden) i;
if (h.getValue().startsWith(fileInputPrefix)) {
h.setValue(getInputName());
}
}
}
getFileInput().getWidget().setVisible(true);
if (button != null) {
setEnabledButton(true);
button.removeStyleName("changed");
if (!autoSubmit) {
button.setVisible(true);
}
}
if (autoSubmit) {
getFileInput().setText(i18nStrs.uploaderBrowse());
}
}
/* (non-Javadoc)
* @see gwtupload.client.Uploader#setI18Constants(gwtupload.client.IUploader.UploaderConstants)
*/
@Override
public void setI18Constants(UploaderConstants strs) {
super.setI18Constants(strs);
if (button != null && button instanceof HasText) {
((HasText) button).setText(strs.uploaderSend());
}
}
@NotNull
private String createRemoteFile(
@NotNull ObjectId id, @NotNull ObjectLoader loader, @NotNull Uploader uploader)
throws IOException {
// Create LFS stream.
final String hash;
final String cached = cacheSha256.get(id.name());
long size = 0;
if (cached == null) {
final MessageDigest md = createSha256();
try (InputStream istream = loader.openStream()) {
byte[] buffer = new byte[0x10000];
while (true) {
int read = istream.read(buffer);
if (read <= 0) break;
md.update(buffer, 0, read);
size += read;
}
}
hash = new String(Hex.encodeHex(md.digest(), true));
cacheSha256.put(id.name(), hash);
cache.commit();
} else {
hash = cached;
}
uploader.upload(id, new Meta(hash, size));
return hash;
}
/* (non-Javadoc)
* @see gwtupload.client.Uploader#onStartUpload()
*/
@Override
protected void onStartUpload() {
super.onStartUpload();
if (button != null) {
setEnabledButton(false);
button.removeStyleName("changed");
button.setVisible(false);
}
getFileInput().getWidget().setVisible(false);
}
/* (non-Javadoc)
* @see gwtupload.client.Uploader#onChangeInput()
*/
@Override
protected void onChangeInput() {
super.onChangeInput();
if (button != null) {
button.addStyleName("changed");
if (button instanceof Focusable) {
((Focusable) button).setFocus(true);
}
}
}
public void mousePressed() {
// Upload the current camera frame.
println("Uploading");
loadPixels();
PImage scrImg = get(0, 0, width, height);
// First compress it as a jpeg.
byte[] compressedImage = compressImage(scrImg);
// Set some meta data.
UploadMetaData uploadMetaData = new UploadMetaData();
uploadMetaData.setTitle("Frame " + frameCount + " Uploaded from Processing");
uploadMetaData.setDescription("mouseFound");
uploadMetaData.setPublicFlag(true);
// Finally, upload/
try {
uploader.upload(compressedImage, uploadMetaData);
} catch (Exception e) {
println("Upload failed");
}
println("Finished uploading");
}
private String upload() throws UploadException, IOException {
Uploader uploader = new Uploader();
uploader.setMaxFileSize(MAX_FILE_SIZE);
uploader.setName(captchan.tfName.getText());
uploader.setEmail(captchan.tfEmail.getText());
uploader.setSubject(captchan.tfSubject.getText());
uploader.setComment(getComment());
uploader.setChallenge(reChallenges.removeFirst());
uploader.setResponse(reResponses.removeFirst());
uploader.setFile(files[workingOn]);
uploader.setPostURL(postURL);
uploader.setTopicURL(topicURL);
uploader.setThread(captchan.tfThread.getText());
uploader.setUserAgent(userAgent);
return uploader.upload();
}
public void clear() {
formWidgets.clear();
super.clear();
}
public void add(Widget w, int index) {
formWidgets.add(w);
super.add(w, index);
}
public void add(Widget w) {
formWidgets.add(w);
super.add(w);
}
@Override
public void setEnabled(boolean b) {
super.setEnabled(b);
setEnabledButton(b);
}
public void prepare(Map conf) {
super.prepare(conf);
this.tx = new TransferManager(client);
}
