source: osm/applications/editors/josm/plugins/opendata/src/org/openstreetmap/josm/plugins/opendata/core/actions/DownloadDataTask.java@ 28050

//    JOSM opendata plugin.
//    Copyright (C) 2011-2012 Don-vip
//
//    This program is free software: you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation, either version 3 of the License, or
//    (at your option) any later version.
//
//    This program is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with this program.  If not, see <http://www.gnu.org/licenses/>.
package org.openstreetmap.josm.plugins.opendata.core.actions;

import java.io.File;
import java.util.concurrent.Future;

import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.actions.downloadtasks.DownloadOsmTask;
import org.openstreetmap.josm.data.Bounds;
import org.openstreetmap.josm.gui.layer.OsmDataLayer;
import org.openstreetmap.josm.gui.progress.ProgressMonitor;
import org.openstreetmap.josm.io.AbstractReader;
import org.openstreetmap.josm.plugins.opendata.core.datasets.AbstractDataSetHandler;
import org.openstreetmap.josm.plugins.opendata.core.datasets.DataSetUpdater;
import org.openstreetmap.josm.plugins.opendata.core.io.NetworkReader;
import org.openstreetmap.josm.plugins.opendata.core.layers.OdDataLayer;
import org.openstreetmap.josm.plugins.opendata.core.modules.Module;
import org.openstreetmap.josm.plugins.opendata.core.modules.ModuleHandler;

public class DownloadDataTask extends DownloadOsmTask {

        private AbstractDataSetHandler handler;
        
        @Override
        public Future<?> download(boolean newLayer, Bounds downloadArea, ProgressMonitor progressMonitor) {
                return null;
        }

        @Override
        public Future<?> loadUrl(boolean newLayer, String url, ProgressMonitor progressMonitor) {
                Class<? extends AbstractReader> readerClass = null; // TODO
        downloadTask = new InternDownloadTasK(newLayer, new NetworkReader(url, handler, readerClass), progressMonitor);
        currentBounds = null;
        // Extract .osm filename from URL to set the new layer name
        //Matcher matcher = Pattern.compile("http://.*/(.*\\.osm)").matcher(url);
        //newLayerName = matcher.matches() ? matcher.group(1) : null;
        return Main.worker.submit(downloadTask);
        }

        @Override
        public boolean acceptsUrl(String url) {
                for (Module module : ModuleHandler.moduleList) {
                        for (AbstractDataSetHandler handler : module.getHandlers()) {
                                if (handler.acceptsUrl(url)) {
                                        this.handler = handler;
                                        return true;
                                }
                        }
                }
                return false;
        }
        
        protected class InternDownloadTasK extends DownloadTask {

                public InternDownloadTasK(boolean newLayer, NetworkReader reader, ProgressMonitor progressMonitor) {
                        super(newLayer, reader, progressMonitor);
                }

                /* (non-Javadoc)
                 * @see org.openstreetmap.josm.actions.downloadtasks.DownloadOsmTask.DownloadTask#createNewLayer(java.lang.String)
                 */
                @Override
                protected OsmDataLayer createNewLayer(String layerName) {
            File associatedFile = ((NetworkReader)reader).getReadFile();
            String filename = ((NetworkReader)reader).getReadFileName();
            if (layerName == null || layerName.isEmpty()) {
                if (associatedFile != null) {
                        layerName = associatedFile.getName();
                } else if (filename != null && !filename.isEmpty()) {
                        layerName = filename;
                } else {
                        layerName = OsmDataLayer.createNewName();
                }
            }
                DataSetUpdater.updateDataSet(dataSet, handler, associatedFile);
                return new OdDataLayer(dataSet, layerName, associatedFile, handler);
                }
        }
}