262 lines
9.0 KiB
Java
262 lines
9.0 KiB
Java
/**
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*
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*/
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package org.gcube.portlets.widgets.workspaceuploader.client.uploader;
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import java.util.HashMap;
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import java.util.Map;
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import org.gcube.portlets.widgets.workspaceuploader.client.ClosableDialog;
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import org.gcube.portlets.widgets.workspaceuploader.client.ConstantsWorkspaceUploader;
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import org.gcube.portlets.widgets.workspaceuploader.client.WorkspaceExplorerListenerController;
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import org.gcube.portlets.widgets.workspaceuploader.client.WorkspaceUploaderServiceAsync;
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import org.gcube.portlets.widgets.workspaceuploader.client.events.CancelUploadEvent;
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import org.gcube.portlets.widgets.workspaceuploader.client.events.CancelUploadEventHandler;
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import org.gcube.portlets.widgets.workspaceuploader.client.events.HideMonitorEvent;
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import org.gcube.portlets.widgets.workspaceuploader.client.events.HideMonitorEventHandler;
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import org.gcube.portlets.widgets.workspaceuploader.client.events.NotifyUploadEvent;
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import org.gcube.portlets.widgets.workspaceuploader.client.events.NotifyUploadEvent.UPLOAD_EVENT_TYPE;
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import org.gcube.portlets.widgets.workspaceuploader.client.resource.WorkspaceUploaderResources;
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import org.gcube.portlets.widgets.workspaceuploader.shared.HandlerResultMessage;
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import org.gcube.portlets.widgets.workspaceuploader.shared.WorkspaceUploaderItem;
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import org.gcube.portlets.widgets.workspaceuploader.shared.WorkspaceUploaderItem.UPLOAD_STATUS;
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import com.google.gwt.core.shared.GWT;
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import com.google.gwt.event.shared.HandlerManager;
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import com.google.gwt.http.client.Request;
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import com.google.gwt.http.client.RequestBuilder;
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import com.google.gwt.http.client.RequestCallback;
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import com.google.gwt.http.client.RequestException;
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import com.google.gwt.http.client.Response;
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import com.google.gwt.user.client.Timer;
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import com.google.gwt.user.client.Window;
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import com.google.gwt.user.client.rpc.AsyncCallback;
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import com.google.gwt.user.client.ui.HTML;
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import com.google.gwt.user.client.ui.VerticalPanel;
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/**
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* The Class UploaderMonitor.
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*
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* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
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* Sep 7, 2015
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*/
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public class UploaderMonitor {
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private static UploaderMonitor instance;
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private final static HandlerManager monitorEventBus = new HandlerManager(null);
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private MonitorPanel monitorPanel = new MonitorPanel(monitorEventBus);
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private static Map<String, Timer> mapTimer = new HashMap<String, Timer>();
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private ClosableDialog dialogUploadMonitor = new ClosableDialog(monitorPanel, false, ConstantsWorkspaceUploader.MY_UPLOADS);
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/**
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* Gets the single instance of UploaderMonitor.
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*
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* @return single instance of UploaderMonitor
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*/
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public static synchronized UploaderMonitor getInstance() {
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if (instance == null){
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instance = new UploaderMonitor();
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}
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return instance;
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}
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private UploaderMonitor(){
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dialogUploadMonitor.setWidth("400px");
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bindEvents();
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}
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/**
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* Bind events.
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*/
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private void bindEvents() {
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monitorEventBus.addHandler(CancelUploadEvent.TYPE, new CancelUploadEventHandler() {
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@Override
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public void onCancelUpload(final CancelUploadEvent deleteTimerEvent) {
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if(deleteTimerEvent.getUploader()==null)
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return;
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String clientKey = deleteTimerEvent.getUploader().getClientUploadKey();
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Timer timer = mapTimer.get(clientKey);
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GWT.log("Delete timer "+timer);
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if(timer!=null && timer.isRunning()){
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timer.cancel();
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mapTimer.put(clientKey, null);
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}
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RequestBuilder request = new RequestBuilder(RequestBuilder.GET,
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ConstantsWorkspaceUploader.WORKSPACE_UPLOADER_SERVLET_STREAM+"?"+ConstantsWorkspaceUploader.CLIENT_UPLOAD_KEYS+"="+clientKey+"&"+ConstantsWorkspaceUploader.CANCEL_UPLOAD+"=true");
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try {
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request.sendRequest(null, new RequestCallback() {
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@SuppressWarnings("incomplete-switch")
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@Override
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public void onResponseReceived(Request request, Response response) {
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String strippedResult = new HTML(response.getText()).getText();
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final HandlerResultMessage resultMessage = HandlerResultMessage.parseResult(strippedResult);
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switch (resultMessage.getStatus()) {
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case ERROR: {
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GWT.log("ERROR: Error during stop upload "+resultMessage.getMessage());
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Window.alert("Sorry, An error occurred during upload abort!");
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return;
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}
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case OK: {
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UploaderProgressView upv = deleteTimerEvent.getProgessView();
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VerticalPanel vp = upv.getPanel();
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if(vp!=null){
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vp.clear();
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HTML html = new HTML();
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vp.add(html);
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String text = "<div><img src='"+WorkspaceUploaderResources.getImageCancelRed().getUrl()+"'>";
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text+="<span style='margin-left:5px; vertical-align: top;'>Upload "+deleteTimerEvent.getFileName()+ " aborted</span></div>";
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html.setHTML(text);
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deleteTimerEvent.getUploader().setUploadStatus(UPLOAD_STATUS.ABORTED);
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notifyUploadAborted(deleteTimerEvent.getUploader().getFile().getParentId(), null);
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}
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break;
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}
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}
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}
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@Override
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public void onError(Request request, Throwable exception) {
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GWT.log("ERROR: Error during stop upload "+exception.getMessage());
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}
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});
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} catch (RequestException e) {
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GWT.log("RequestException: Error during stop upload "+e.getMessage());
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}
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}
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});
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monitorEventBus.addHandler(HideMonitorEvent.TYPE, new HideMonitorEventHandler() {
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@Override
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public void onHideMonitor(HideMonitorEvent hideMonitorEvent) {
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dialogUploadMonitor.hide();
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}
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});
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}
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/**
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* Show monitor.
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*/
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public void showMonitor(){
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if(!dialogUploadMonitor.isShowing())
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dialogUploadMonitor.center();
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}
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/**
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* Adds the new submit.
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*
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* @param uploader the uploader
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* @param fileName the file name
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*/
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public void addNewSubmit(WorkspaceUploaderItem uploader, String fileName){
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if(!dialogUploadMonitor.isShowing())
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dialogUploadMonitor.center();
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monitorPanel.newWorkspaceUploder(uploader, fileName);
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}
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/**
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* Poll workspace uploader.
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*
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* @param workspaceUploader the workspace uploader item
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*/
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public void pollWorkspaceUploader(final WorkspaceUploaderItem workspaceUploader){
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Timer timer = new Timer() {
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@Override
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public void run() {
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WorkspaceUploaderServiceAsync.Util.getInstance().getUploadStatus(workspaceUploader.getClientUploadKey(), new AsyncCallback<WorkspaceUploaderItem>() {
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@Override
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public void onSuccess(WorkspaceUploaderItem result) {
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// GWT.log("onSuccess: "+result.toString());
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synchronized(this){
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Timer tmn = mapTimer.get(workspaceUploader.getClientUploadKey());
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if(tmn!=null && tmn.isRunning()){
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if(result.getUploadStatus().equals(UPLOAD_STATUS.COMPLETED)){
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GWT.log("Upload Completed "+result.getFile().getItemId() +" name: "+result.getFile().getFileName());
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mapTimer.remove(tmn);
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notifyUploadCompleted(result.getFile().getParentId(), result.getFile().getItemId());
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// new DialogResult(null, "Upload Completed!!", result.getStatusDescription()).center();
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cancel();
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}else if(result.getUploadStatus().equals(UPLOAD_STATUS.FAILED)){
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GWT.log("Upload Failed "+result.getFile().getItemId() +" name: "+result.getFile().getFileName());
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mapTimer.remove(tmn);
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notifyUploadError(result.getFile().getParentId(), null, null);
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// new DialogResult(null, "Upload Failed!!", result.getStatusDescription()).center();
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cancel();
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}
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monitorPanel.updateWorkspaceUploder(result);
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// GWT.log(result.toString());
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}else{
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GWT.log("Timer is null or already closed or completed");
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cancel();
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}
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}
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}
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@Override
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public void onFailure(Throwable caught) {
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GWT.log("onFailure: "+caught.getMessage());
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notifyUploadError(workspaceUploader.getFile().getParentId(), null, caught);
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cancel();
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}
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});
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}
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};
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mapTimer.put(workspaceUploader.getClientUploadKey(), timer);
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timer.scheduleRepeating(2000);
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}
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/**
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* Notify upload completed.
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*
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* @param parentId the parent id
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* @param itemId the item id
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*/
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private void notifyUploadCompleted(String parentId, String itemId){
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GWT.log("notifyUploadCompleted in monitor");
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WorkspaceExplorerListenerController.getEventBus().fireEvent(new NotifyUploadEvent(UPLOAD_EVENT_TYPE.COMPLETED, parentId, itemId));
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// for (WorskpaceUploadNotificationListener listener : listenersUpload) {
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// listener.onUploadCompleted(parentId, itemId);
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// }
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}
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/**
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* Notify upload aborted.
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*
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* @param parentId the parent id
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* @param itemId the item id
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*/
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private void notifyUploadAborted(String parentId, String itemId){
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WorkspaceExplorerListenerController.getEventBus().fireEvent(new NotifyUploadEvent(UPLOAD_EVENT_TYPE.ABORTED, parentId, itemId));
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}
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/**
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* Notify upload error.
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*
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* @param parentId the parent id
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* @param itemId the item id
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* @param t the t
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*/
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private void notifyUploadError(String parentId, String itemId, Throwable t){
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WorkspaceExplorerListenerController.getEventBus().fireEvent(new NotifyUploadEvent(UPLOAD_EVENT_TYPE.FAILED, parentId, itemId, t));
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}
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}
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