001// License: GPL. For details, see LICENSE file.
002package org.openstreetmap.josm.io.session;
003
004import java.io.IOException;
005
006import org.openstreetmap.josm.gui.layer.Layer;
007import org.openstreetmap.josm.gui.progress.ProgressMonitor;
008import org.openstreetmap.josm.io.IllegalDataException;
009import org.openstreetmap.josm.io.session.SessionReader.ImportSupport;
010import org.w3c.dom.Element;
011
012public interface SessionLayerImporter {
013
014    /**
015     * Load the layer from xml meta-data.
016     * @param elem XML element
017     * @param support support class providing import utilities
018     * @param progressMonitor progress monitor
019     * @return the resulting layer
020     * @throws IOException if any I/O error occurs
021     * @throws IllegalDataException if invalid data is read
022     */
023    Layer load(Element elem, ImportSupport support, ProgressMonitor progressMonitor) throws IOException, IllegalDataException;
024}
025