// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.io;
import static org.openstreetmap.josm.tools.I18n.tr;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import javax.swing.JOptionPane;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.actions.ExtensionFileFilter;
import org.openstreetmap.josm.data.osm.DataSet;
import org.openstreetmap.josm.gui.layer.OsmDataLayer;
import org.openstreetmap.josm.gui.progress.NullProgressMonitor;
import org.openstreetmap.josm.gui.progress.ProgressMonitor;
import org.openstreetmap.josm.gui.util.GuiHelper;
import org.openstreetmap.josm.tools.Utils;
public class OsmImporter extends FileImporter {
public static final ExtensionFileFilter FILE_FILTER = new ExtensionFileFilter(
"osm,xml", "osm", tr("OSM Server Files") + " (*.osm *.xml)");
public static class OsmImporterData {
private OsmDataLayer layer;
private Runnable postLayerTask;
public OsmImporterData(OsmDataLayer layer, Runnable postLayerTask) {
this.layer = layer;
this.postLayerTask = postLayerTask;
}
public OsmDataLayer getLayer() {
return layer;
}
public Runnable getPostLayerTask() {
return postLayerTask;
}
}
/**
* Constructs a new {@code OsmImporter}.
*/
public OsmImporter() {
super(FILE_FILTER);
}
public OsmImporter(ExtensionFileFilter filter) {
super(filter);
}
/**
* Imports OSM data from file
* @param file file to read data from
* @param progressMonitor handler for progress monitoring and canceling
*/
@Override
public void importData(File file, ProgressMonitor progressMonitor) throws IOException, IllegalDataException {
try (InputStream in = Compression.getUncompressedFileInputStream(file)) {
importData(in, file, progressMonitor);
} catch (FileNotFoundException e) {
Main.error(e);
throw new IOException(tr("File ''{0}'' does not exist.", file.getName()), e);
}
}
/**
* Imports OSM data from stream
* @param in input stream
* @param associatedFile filename of data
*/
protected void importData(InputStream in, final File associatedFile) throws IllegalDataException {
importData(in, associatedFile, NullProgressMonitor.INSTANCE);
}
/**
* Imports OSM data from stream
* @param in input stream
* @param associatedFile filename of data (layer name will be generated from name of file)
* @param pm handler for progress monitoring and canceling
*/
protected void importData(InputStream in, final File associatedFile, ProgressMonitor pm) throws IllegalDataException {
final OsmImporterData data = loadLayer(in, associatedFile,
associatedFile == null ? OsmDataLayer.createNewName() : associatedFile.getName(), pm);
// FIXME: remove UI stuff from IO subsystem
GuiHelper.runInEDT(new Runnable() {
@Override
public void run() {
Main.main.addLayer(data.layer);
data.postLayerTask.run();
data.layer.onPostLoadFromFile();
}
});
}
/**
* Load osm data layer from InputStream.
* @param in input stream
* @param associatedFile filename of data (can be <code>null</code> if the stream does not come from a file)
* @param layerName name of generated layer
* @param progressMonitor handler for progress monitoring and canceling
*/
public OsmImporterData loadLayer(InputStream in, final File associatedFile, final String layerName, ProgressMonitor progressMonitor) throws IllegalDataException {
final DataSet dataSet = parseDataSet(in, progressMonitor);
if (dataSet == null) {
throw new IllegalDataException(tr("Invalid dataset"));
}
OsmDataLayer layer = createLayer(dataSet, associatedFile, layerName);
Runnable postLayerTask = createPostLayerTask(dataSet, associatedFile, layerName, layer);
return new OsmImporterData(layer, postLayerTask);
}
protected DataSet parseDataSet(InputStream in, ProgressMonitor progressMonitor) throws IllegalDataException {
return OsmReader.parseDataSet(in, progressMonitor);
}
protected OsmDataLayer createLayer(final DataSet dataSet, final File associatedFile, final String layerName) {
return new OsmDataLayer(dataSet, layerName, associatedFile);
}
protected Runnable createPostLayerTask(final DataSet dataSet, final File associatedFile, final String layerName, final OsmDataLayer layer) {
return new Runnable() {
@Override
public void run() {
if (dataSet.allPrimitives().isEmpty()) {
String msg;
if (associatedFile == null) {
msg = tr("No data found for layer ''{0}''.", layerName);
} else {
msg = tr("No data found in file ''{0}''.", associatedFile.getPath());
}
JOptionPane.showMessageDialog(
Main.parent,
msg,
tr("Open OSM file"),
JOptionPane.INFORMATION_MESSAGE);
}
layer.onPostLoadFromFile();
}
};
}
}