// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.actions.downloadtasks;
import static org.openstreetmap.josm.tools.I18n.tr;
import java.awt.Component;
import java.io.IOException;
import javax.swing.JOptionPane;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.data.osm.UserInfo;
import org.openstreetmap.josm.gui.JosmUserIdentityManager;
import org.openstreetmap.josm.gui.util.GuiHelper;
import org.openstreetmap.josm.io.ChangesetQuery;
import org.openstreetmap.josm.io.OsmServerUserInfoReader;
import org.openstreetmap.josm.io.OsmTransferCanceledException;
import org.openstreetmap.josm.io.OsmTransferException;
import org.openstreetmap.josm.tools.CheckParameterUtil;
import org.openstreetmap.josm.tools.ExceptionUtil;
import org.xml.sax.SAXException;
/**
* Asynchronous task to send a changeset query to the OSM API.
* @since 2689
*/
public class ChangesetQueryTask extends AbstractChangesetDownloadTask {
class DownloadTask extends RunnableDownloadTask {
/** the changeset query */
private ChangesetQuery query;
/** the reader object used to read information about the current user from the API */
private final OsmServerUserInfoReader userInfoReader = new OsmServerUserInfoReader();
DownloadTask(Component parent, ChangesetQuery query) {
super(parent, tr("Querying and downloading changesets"));
this.query = query;
}
/**
* Tries to fully identify the current JOSM user
*
* @throws OsmTransferException if something went wrong
*/
protected void fullyIdentifyCurrentUser() throws OsmTransferException {
getProgressMonitor().indeterminateSubTask(tr("Determine user id for current user..."));
UserInfo info = userInfoReader.fetchUserInfo(getProgressMonitor().createSubTaskMonitor(1, false));
JosmUserIdentityManager im = JosmUserIdentityManager.getInstance();
im.setFullyIdentified(im.getUserName(), info);
}
@Override
protected void realRun() throws SAXException, IOException, OsmTransferException {
try {
JosmUserIdentityManager im = JosmUserIdentityManager.getInstance();
if (query.isRestrictedToPartiallyIdentifiedUser() && im.isCurrentUser(query.getUserName())) {
// if we query changesets for the current user, make sure we query against
// its user id, not its user name. If necessary, determine the user id first.
//
if (im.isPartiallyIdentified()) {
fullyIdentifyCurrentUser();
}
query = query.forUser(JosmUserIdentityManager.getInstance().getUserId());
}
if (isCanceled())
return;
getProgressMonitor().indeterminateSubTask(tr("Query and download changesets ..."));
downloadedChangesets.addAll(reader.queryChangesets(query, getProgressMonitor().createSubTaskMonitor(0, false)));
} catch (OsmTransferCanceledException e) {
// thrown if user cancel the authentication dialog
setCanceled(true);
Main.trace(e);
} catch (OsmTransferException e) {
if (isCanceled())
return;
rememberLastException(e);
}
}
@Override
protected void finish() {
rememberDownloadedData(downloadedChangesets);
if (isCanceled())
return;
if (lastException != null) {
GuiHelper.runInEDTAndWait(new Runnable() {
private final Component parent = progressMonitor != null ? progressMonitor.getWindowParent() : null;
@Override
public void run() {
JOptionPane.showMessageDialog(
parent != null ? parent : Main.parent,
ExceptionUtil.explainException(lastException),
tr("Errors during download"),
JOptionPane.ERROR_MESSAGE);
}
});
return;
}
updateChangesets();
}
@Override
protected void cancel() {
super.cancel();
synchronized (this) {
if (userInfoReader != null) {
userInfoReader.cancel();
}
}
}
}
/**
* Creates the task.
*
* @param query the query to submit to the OSM server. Must not be null.
* @throws IllegalArgumentException if query is null.
*/
public ChangesetQueryTask(ChangesetQuery query) {
this(Main.parent, query);
}
/**
* Creates the task.
*
* @param parent the parent component relative to which the {@link org.openstreetmap.josm.gui.PleaseWaitDialog} is displayed.
* Must not be null.
* @param query the query to submit to the OSM server. Must not be null.
* @throws IllegalArgumentException if query is null.
* @throws IllegalArgumentException if parent is null
*/
public ChangesetQueryTask(Component parent, ChangesetQuery query) {
CheckParameterUtil.ensureParameterNotNull(query, "query");
setDownloadTask(new DownloadTask(parent, query));
}
}