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