Package org.openstreetmap.josm.actions.downloadtasks

Examples of org.openstreetmap.josm.actions.downloadtasks.DownloadTask

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    public Collection<DownloadTask> findDownloadTasks(final String url) {
        List<DownloadTask> result = new ArrayList<>();
        for (Class<? extends DownloadTask> taskClass : downloadTasks) {
            if (taskClass != null) {
                try {
                    DownloadTask task = taskClass.getConstructor().newInstance();
                    if (task.acceptsUrl(url)) {
                        result.add(task);
                    }
                } catch (Exception e) {
                    Main.error(e);
                }
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    public String findSummaryDocumentation() {
        StringBuilder result = new StringBuilder("<table>");
        for (Class<? extends DownloadTask> taskClass : downloadTasks) {
            if (taskClass != null) {
                try {
                    DownloadTask task = taskClass.getConstructor().newInstance();
                    result.append(task.acceptsDocumentationSummary());
                } catch (Exception e) {
                    Main.error(e);
                }
            }
        }
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     * @param url The URL to open
     */
    public void openUrl(boolean new_layer, final String url) {
        PleaseWaitProgressMonitor monitor = new PleaseWaitProgressMonitor(tr("Download Data"));
        Collection<DownloadTask> tasks = findDownloadTasks(url);
        DownloadTask task = null;
        Future<?> future = null;
        if (!tasks.isEmpty()) {
            // TODO: handle multiple suitable tasks ?
            try {
                task = tasks.iterator().next();
                future = task.loadUrl(new_layer, url, monitor);
            } catch (IllegalArgumentException e) {
                Main.error(e);
            }
        }
        if (future != null) {
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        }
    }

    @Override
    protected void handleRequest() throws RequestHandlerErrorException {
        DownloadTask osmTask = new DownloadOsmTask();
        try {
            boolean newLayer = isLoadInNewLayer();

            if (command.equals(myCommand)) {
                if (!PermissionPrefWithDefault.LOAD_DATA.isAllowed()) {
                    Main.info("RemoteControl: download forbidden by preferences");
                } else {
                    Area toDownload = null;
                    if (!newLayer) {
                        // find out whether some data has already been downloaded
                        Area present = null;
                        DataSet ds = Main.main.getCurrentDataSet();
                        if (ds != null) {
                            present = ds.getDataSourceArea();
                        }
                        if (present != null && !present.isEmpty()) {
                            toDownload = new Area(new Rectangle2D.Double(minlon,minlat,maxlon-minlon,maxlat-minlat));
                            toDownload.subtract(present);
                            if (!toDownload.isEmpty()) {
                                // the result might not be a rectangle (L shaped etc)
                                Rectangle2D downloadBounds = toDownload.getBounds2D();
                                minlat = downloadBounds.getMinY();
                                minlon = downloadBounds.getMinX();
                                maxlat = downloadBounds.getMaxY();
                                maxlon = downloadBounds.getMaxX();
                            }
                        }
                    }
                    if (toDownload != null && toDownload.isEmpty()) {
                        Main.info("RemoteControl: no download necessary");
                    } else {
                        Future<?> future = osmTask.download(newLayer, new Bounds(minlat,minlon,maxlat,maxlon), null /* let the task manage the progress monitor */);
                        Main.worker.submit(new PostDownloadHandler(osmTask, future));
                    }
                }
            }
        } catch (Exception ex) {
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     * @param b The bounds value
     * @see #downloadFromParamBounds(boolean, String)
     * @see #downloadFromParamHttp
     */
    private static void downloadFromParamBounds(final boolean rawGps, Bounds b) {
        DownloadTask task = rawGps ? new DownloadGpsTask() : new DownloadOsmTask();
        // asynchronously launch the download task ...
        Future<?> future = task.download(true, b, null);
        // ... and the continuation when the download is finished (this will wait for the download to finish)
        Main.worker.execute(new PostDownloadHandler(task, future));
    }
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Related Classes of org.openstreetmap.josm.actions.downloadtasks.DownloadTask

  • org.openstreetmap.josm.actions.OpenLocationAction
  • org.openstreetmap.josm.io.remotecontrol.handler.LoadAndZoomHandler
  • org.openstreetmap.josm.Main
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