001// License: GPL. For details, see LICENSE file. 002package org.openstreetmap.josm.io.session; 003 004import static org.openstreetmap.josm.tools.I18n.tr; 005 006import java.io.IOException; 007import java.util.HashMap; 008import java.util.Map; 009 010import org.openstreetmap.josm.data.Preferences; 011import org.openstreetmap.josm.data.imagery.ImageryInfo; 012import org.openstreetmap.josm.data.imagery.ImageryInfo.ImageryPreferenceEntry; 013import org.openstreetmap.josm.gui.layer.AbstractTileSourceLayer; 014import org.openstreetmap.josm.gui.layer.ImageryLayer; 015import org.openstreetmap.josm.gui.layer.Layer; 016import org.openstreetmap.josm.gui.layer.TMSLayer; 017import org.openstreetmap.josm.gui.layer.WMSLayer; 018import org.openstreetmap.josm.gui.layer.WMTSLayer; 019import org.openstreetmap.josm.gui.progress.ProgressMonitor; 020import org.openstreetmap.josm.io.IllegalDataException; 021import org.openstreetmap.josm.io.session.SessionReader.ImportSupport; 022import org.w3c.dom.Element; 023import org.w3c.dom.Node; 024import org.w3c.dom.NodeList; 025 026/** 027 * Session importer for {@link TMSLayer}, {@link WMSLayer} and {@link WMTSLayer}. 028 * @since 5391 029 */ 030public class ImagerySessionImporter implements SessionLayerImporter { 031 032 @Override 033 public Layer load(Element elem, ImportSupport support, ProgressMonitor progressMonitor) throws IOException, IllegalDataException { 034 String version = elem.getAttribute("version"); 035 if (!"0.1".equals(version)) { 036 throw new IllegalDataException(tr("Version ''{0}'' of meta data for imagery layer is not supported. Expected: 0.1", version)); 037 } 038 Map<String, String> attributes = new HashMap<>(); 039 040 NodeList nodes = elem.getChildNodes(); 041 042 for (int i = 0; i < nodes.getLength(); ++i) { 043 Node node = nodes.item(i); 044 if (node.getNodeType() == Node.ELEMENT_NODE) { 045 Element e = (Element) node; 046 attributes.put(e.getTagName(), e.getTextContent()); 047 } 048 } 049 ImageryPreferenceEntry prefEntry = Preferences.deserializeStruct(attributes, ImageryPreferenceEntry.class); 050 ImageryInfo i = new ImageryInfo(prefEntry); 051 ImageryLayer layer = ImageryLayer.create(i); 052 if (layer instanceof AbstractTileSourceLayer) { 053 AbstractTileSourceLayer<?> tsLayer = (AbstractTileSourceLayer<?>) layer; 054 tsLayer.getDisplaySettings().loadFrom(attributes); 055 } 056 return layer; 057 } 058}