tabular-data-codelistmappin.../src/main/java/org/gcube/portlets/user/td/codelistmappingimportwidget/client/progress/FileUploadProgressUpdater.java

117 lines
3.1 KiB
Java

/**
*
*/
package org.gcube.portlets.user.td.codelistmappingimportwidget.client.progress;
import java.util.ArrayList;
import org.gcube.portlets.user.td.gwtservice.client.rpc.TDGWTServiceAsync;
import org.gcube.portlets.user.td.gwtservice.shared.file.FileUploadMonitor;
import com.allen_sauer.gwt.log.client.Log;
import com.google.gwt.core.client.GWT;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.rpc.AsyncCallback;
/**
*
* @author Giancarlo Panichi
*
*
*/
public class FileUploadProgressUpdater extends Timer {
private ArrayList<FileUploadProgressListener> listeners = new ArrayList<FileUploadProgressListener>();
private static FileUploadProgressMessages msgs = GWT
.create(FileUploadProgressMessages.class);
@Override
public void run() {
Log.debug("requesting operation progress");
TDGWTServiceAsync.INSTANCE
.getFileUploadMonitor(new AsyncCallback<FileUploadMonitor>() {
public void onFailure(Throwable caught) {
cancel();
Log.error("Error retrieving the operation state",
caught);
String message = getStack(caught);
fireOperationFailed(caught,
msgs.failedGettingOperarionUpdateds(), message);
}
public void onSuccess(FileUploadMonitor result) {
Log.info("retrieved FileUploadMonitor: "
+ result.getState());
switch (result.getState()) {
case STARTED:
Log.debug("File Upload Started");
break;
case INPROGRESS:
Log.debug("Progress: "
+ result.getElaboratedLenght() + " of "
+ result.getTotalLenght());
fireOperationUpdate(result.getPercentDone());
break;
case FAILED:
Log.debug("File Upload Failed");
cancel();
fireOperationFailed(
new Throwable(msgs.fileUploadFailedHead()),
result.getFailureReason(),
result.getFailureDetails());
break;
case COMPLETED:
cancel();
Log.debug("File Upload Completed");
fireOperationComplete();
break;
default:
break;
}
}
});
}
protected String getStack(Throwable e) {
String message = e.getLocalizedMessage() + " -> <br>";
Throwable c = e.getCause();
if (c != null)
message += getStack(c);
return message;
}
protected void fireOperationInitializing() {
for (FileUploadProgressListener listener : listeners)
listener.operationInitializing();
}
protected void fireOperationUpdate(float elaborated) {
for (FileUploadProgressListener listener : listeners)
listener.operationUpdate(elaborated);
}
protected void fireOperationComplete() {
for (FileUploadProgressListener listener : listeners)
listener.operationComplete();
}
protected void fireOperationFailed(Throwable caught, String failure,
String failureDetails) {
for (FileUploadProgressListener listener : listeners)
listener.operationFailed(caught, failure, failureDetails);
}
public void addListener(FileUploadProgressListener listener) {
listeners.add(listener);
}
public void removeListener(FileUploadProgressListener listener) {
listeners.remove(listener);
}
}