// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.io.remotecontrol.handler;
import static org.openstreetmap.josm.tools.I18n.tr;
import java.util.LinkedList;
import java.util.List;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.data.osm.PrimitiveId;
import org.openstreetmap.josm.data.osm.SimplePrimitiveId;
import org.openstreetmap.josm.gui.io.DownloadPrimitivesWithReferrersTask;
import org.openstreetmap.josm.gui.util.GuiHelper;
import org.openstreetmap.josm.io.remotecontrol.AddTagsDialog;
import org.openstreetmap.josm.io.remotecontrol.PermissionPrefWithDefault;
/**
* Loads OSM primitives using their ID
* similar to the "Download object" dialog (@see DownloadPrimitiveAction}.
* For instance, {@code /load_object?objects=n1,w2,r3[&new_layer=false&relation_members=true]}.
*/
public class LoadObjectHandler extends RequestHandler {
/**
* The remote control command name used to load objects using their ID.
*/
public static final String command = "load_object";
private final List<PrimitiveId> ps = new LinkedList<>();
@Override
public String[] getMandatoryParams() {
return new String[]{"objects"};
}
@Override
public String[] getOptionalParams() {
return new String[] {"new_layer", "addtags", "relation_members", "referrers"};
}
@Override
public String getUsage() {
return "downloads the specified objects from the server";
}
@Override
public String[] getUsageExamples() {
return new String[] {"/load_object?new_layer=true&objects=w106159509",
"/load_object?new_layer=true&objects=r2263653&relation_members=true",
"/load_object?objects=n100000&referrers=false"
};
}
@Override
protected void handleRequest() throws RequestHandlerErrorException, RequestHandlerBadRequestException {
if (!PermissionPrefWithDefault.LOAD_DATA.isAllowed()) {
Main.info("RemoteControl: download forbidden by preferences");
}
if (!ps.isEmpty()) {
final boolean newLayer = isLoadInNewLayer();
final boolean relationMembers = Boolean.parseBoolean(args.get("relation_members"));
final boolean referrers = args.containsKey("referrers") ? Boolean.parseBoolean(args.get("referrers")) : true;
final DownloadPrimitivesWithReferrersTask task = new DownloadPrimitivesWithReferrersTask(
newLayer, ps, referrers, relationMembers, null);
Main.worker.submit(task);
Main.worker.submit(new Runnable() {
@Override
public void run() {
final List<PrimitiveId> downloaded = task.getDownloadedId();
if(downloaded != null) {
GuiHelper.runInEDT(new Runnable() {
@Override
public void run() {
Main.main.getCurrentDataSet().setSelected(downloaded);
}
});
}
AddTagsDialog.addTags(args, sender);
ps.clear();
}
});
}
}
@Override
public String getPermissionMessage() {
return tr("Remote Control has been asked to load objects (specified by their id) from the API.");
}
@Override
public PermissionPrefWithDefault getPermissionPref() {
return PermissionPrefWithDefault.LOAD_DATA;
}
@Override
protected void validateRequest() throws RequestHandlerBadRequestException {
ps.clear();
for (String i : args.get("objects").split(",\\s*")) {
try {
ps.add(SimplePrimitiveId.fromString(i));
} catch (IllegalArgumentException e) {
Main.warn("RemoteControl: invalid selection '"+i+"' ignored");
}
}
}
}