001// License: GPL. For details, see LICENSE file.
002package org.openstreetmap.josm.io;
003
004import static org.openstreetmap.josm.tools.I18n.tr;
005
006import java.io.File;
007import java.io.FileNotFoundException;
008import java.io.IOException;
009import java.io.InputStream;
010
011import javax.swing.JOptionPane;
012
013import org.openstreetmap.josm.Main;
014import org.openstreetmap.josm.actions.ExtensionFileFilter;
015import org.openstreetmap.josm.data.osm.DataSet;
016import org.openstreetmap.josm.gui.layer.OsmDataLayer;
017import org.openstreetmap.josm.gui.progress.ProgressMonitor;
018import org.openstreetmap.josm.gui.util.GuiHelper;
019
020public class OsmChangeImporter extends FileImporter {
021
022    public static final ExtensionFileFilter FILE_FILTER = ExtensionFileFilter.newFilterWithArchiveExtensions(
023            "osc", "osc", tr("OsmChange File"), true);
024
025    /**
026     * Constructs a new {@code OsmChangeImporter}.
027     */
028    public OsmChangeImporter() {
029        super(FILE_FILTER);
030    }
031
032    public OsmChangeImporter(ExtensionFileFilter filter) {
033        super(filter);
034    }
035
036    @Override
037    public void importData(File file, ProgressMonitor progressMonitor) throws IOException, IllegalDataException {
038        try {
039            importData(Compression.getUncompressedFileInputStream(file), file, progressMonitor);
040        } catch (FileNotFoundException e) {
041            Main.error(e);
042            throw new IOException(tr("File ''{0}'' does not exist.", file.getName()), e);
043        }
044    }
045
046    protected void importData(InputStream in, final File associatedFile, ProgressMonitor progressMonitor) throws IllegalDataException {
047        final DataSet dataSet = OsmChangeReader.parseDataSet(in, progressMonitor);
048        final OsmDataLayer layer = new OsmDataLayer(dataSet, associatedFile.getName(), associatedFile);
049        addDataLayer(dataSet, layer, associatedFile.getPath());
050    }
051
052    protected void addDataLayer(final DataSet dataSet, final OsmDataLayer layer, final String filePath) {
053        // FIXME: remove UI stuff from IO subsystem
054        //
055        GuiHelper.runInEDT(() -> {
056            if (dataSet.allPrimitives().isEmpty()) {
057                JOptionPane.showMessageDialog(
058                        Main.parent,
059                        tr("No data found in file {0}.", filePath),
060                        tr("Open OsmChange file"),
061                        JOptionPane.INFORMATION_MESSAGE);
062            }
063            Main.getLayerManager().addLayer(layer);
064            layer.onPostLoadFromFile();
065        });
066    }
067}