Updated Export SDMX
git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/portlets/user/tabular-data-sdmx-export-widget@86537 82a268e6-3cf1-43bd-a215-b396298e98cf
This commit is contained in:
Giancarlo Panichi
parent
43eff8205a
commit
3cdde891c1
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/**
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*
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*/
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package org.gcube.portlets.user.td.sdmxexportwidget.client.progress;
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import com.allen_sauer.gwt.log.client.Log;
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import com.sencha.gxt.widget.core.client.ProgressBar;
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/**
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* Updates a {@link ProgressBar} progress and text based on {@link SDMXExportProgressListener} events.
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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 SDMXExportProgressBarUpdater implements SDMXExportProgressListener {
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protected ProgressBar progressBar;
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//protected FramedPanel operationResult;
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//protected WizardWindow wizardWindow;
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/**
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* Creates a new {@link ProgressBar} updater.
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* @param progressBar the {@link ProgressBar} to update.
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*/
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public SDMXExportProgressBarUpdater(ProgressBar progressBar) {
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this.progressBar = progressBar;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void operationComplete() {
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Log.info("Export completed");
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progressBar.updateProgress(1, "Export completed.");
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void operationFailed(Throwable caught, String reason, String failureDetails) {
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Log.info("Export failed");
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progressBar.updateText("Export failed.");
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}
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@Override
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public void operationInitializing() {
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Log.info("Export Inizializing");
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progressBar.updateProgress(0, "Initializing...");
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}
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@Override
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public void operationUpdate(float elaborated) {
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Log.info("Export elaborated: "+elaborated);
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if (elaborated == 0) progressBar.updateProgress(0, "Initializing...");
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if (elaborated>0 && elaborated<1) {
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Log.trace("progress "+elaborated);
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int elab=new Float(elaborated*100).intValue();
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progressBar.updateProgress(elaborated,elab+"% Exporting...");
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}
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if (elaborated == 1) progressBar.updateProgress(1, "Completing...");
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}
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}
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/**
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*
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*/
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package org.gcube.portlets.user.td.sdmxexportwidget.client.progress;
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/**
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* Defines a listener for operation progress.
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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 interface SDMXExportProgressListener {
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/**
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* Called when the operation is starting.
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*/
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public void operationInitializing();
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/**
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* Called when there is a progress for the operation.
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* @param elaborated the elaborated part.
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*/
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public void operationUpdate(float elaborated);
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/**
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* Called when the operation is complete.
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*/
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public void operationComplete();
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/**
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* Called when the operation is failed.
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* @param caught the failure exception.
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* @param reason the failure reason.
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*/
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public void operationFailed(Throwable caught, String reason, String failureDetails);
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}
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/**
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*
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*/
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package org.gcube.portlets.user.td.sdmxexportwidget.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.csv.CSVExportMonitor;
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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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import com.sencha.gxt.widget.core.client.box.AlertMessageBox;
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import com.sencha.gxt.widget.core.client.event.HideEvent;
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import com.sencha.gxt.widget.core.client.event.HideEvent.HideHandler;
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/**
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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 SDMXExportProgressUpdater extends Timer {
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protected ArrayList<SDMXExportProgressListener> listeners = new ArrayList<SDMXExportProgressListener>();
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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
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.getCSVExportMonitor(new AsyncCallback<CSVExportMonitor>() {
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@Override
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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",
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caught);
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String message = getStack(caught);
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fireOperationFailed(caught,
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"Failed getting operation updates", message);
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}
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@Override
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public void onSuccess(CSVExportMonitor result) {
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Log.info("retrieved CSVImportMonitor: "
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+ result.getStatus());
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switch (result.getStatus()) {
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case INITIALIZING:
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Log.info("CSV Export Initializing...");
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fireOperationInitializing();
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break;
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case ABORTED:
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cancel();
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Log.info("CSV Export Operation Aborted");
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break;
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case IN_PROGRESS:
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fireOperationUpdate(result.getProgress());
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break;
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case FAILED:
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cancel();
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errorMessage(result);
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break;
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case SUCCEDED:
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cancel();
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Log.info("Export fisnish ExportMetadata:"
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+ result.getTrExportMetadata());
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fireOperationComplete();
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break;
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default:
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Log.info("Unknow State");
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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 void errorMessage(CSVExportMonitor result) {
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Log.info("CSV Export Failed");
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Throwable th = null;
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String failure = null;
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String details = null;
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if (result.getError() != null) {
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th = result.getError();
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failure = "Failed Client Library Export";
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details = result.getError().getLocalizedMessage();
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} else {
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th = new Throwable("Failed");
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failure = "Failed Client Library Export";
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details = "Error in export";
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}
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fireOperationFailed(th, failure, details);
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AlertMessageBox d = new AlertMessageBox("Error in CSV Export", details);
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d.addHideHandler(new HideHandler() {
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@Override
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public void onHide(HideEvent event) {
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//
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}
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});
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d.show();
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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 (SDMXExportProgressListener 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 (SDMXExportProgressListener 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 (SDMXExportProgressListener listener : listeners)
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listener.operationComplete();
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}
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protected void fireOperationFailed(Throwable caught, String failure,
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String failureDetails) {
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for (SDMXExportProgressListener listener : listeners)
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listener.operationFailed(caught, failure, failureDetails);
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}
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/**
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* Add a new {@link SDMXExportProgressListener} to this
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* {@link SDMXExportProgressUpdater}.
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*
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* @param listener
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* the listener to add.
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*/
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public void addListener(SDMXExportProgressListener listener) {
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listeners.add(listener);
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}
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/**
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* Removes the specified {@link SDMXExportProgressListener} from this
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* {@link SDMXExportProgressUpdater}.
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*
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* @param listener
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* the listener to remove.
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*/
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public void removeListener(SDMXExportProgressListener listener) {
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listeners.remove(listener);
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}
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}
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