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128 lines
3.5 KiB
Java
128 lines
3.5 KiB
Java
/**
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*
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*/
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package org.gcube.portlets.user.td.codelistmappingimportwidget.client.progress;
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import java.util.ArrayList;
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import org.gcube.portlets.user.td.gwtservice.client.rpc.TDGWTServiceAsync;
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import org.gcube.portlets.user.td.gwtservice.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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* This {@link Timer} retrieves {@link OperationProgress} from the specified {@link OperationProgressSource} with the scheduled interval.
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* The retrieved information are spread to the subscribed {@link CodelistMappingImportProgressListener}.
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*
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* @author "Giancarlo Panichi"
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* <a href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
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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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TDGWTServiceAsync.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("Failed Client Library Import") ,result.getFailureReason(), 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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{
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String message = e.getLocalizedMessage()+" -> <br>";
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Throwable c = e.getCause();
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if (c!=null) message += getStack(c);
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return message;
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}
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protected void fireOperationInitializing()
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{
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for (FileUploadProgressListener listener:listeners) listener.operationInitializing();
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}
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protected void fireOperationUpdate(float elaborated)
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{
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for (FileUploadProgressListener listener:listeners) listener.operationUpdate(elaborated);
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}
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protected void fireOperationComplete()
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{
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for (FileUploadProgressListener listener:listeners) listener.operationComplete();
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}
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protected void fireOperationFailed(Throwable caught, String failure, String failureDetails)
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{
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for (FileUploadProgressListener listener:listeners) listener.operationFailed(caught, failure, failureDetails);
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}
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/**
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* Add a new {@link CodelistMappingImportProgressListener} to this {@link FileUploadProgressUpdater}.
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* @param listener the listener to add.
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*/
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public void addListener(FileUploadProgressListener listener)
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{
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listeners.add(listener);
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}
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/**
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* Removes the specified {@link CodelistMappingImportProgressListener} from this {@link FileUploadProgressUpdater}.
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* @param listener the listener to remove.
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*/
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public void removeListener(FileUploadProgressListener listener)
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{
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listeners.remove(listener);
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}
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}
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