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 if (attributes.containsKey("automatic-downloading")) { 055 tsLayer.autoLoad = Boolean.parseBoolean(attributes.get("automatic-downloading")); 056 } 057 058 if (attributes.containsKey("automatically-change-resolution")) { 059 tsLayer.autoZoom = Boolean.parseBoolean(attributes.get("automatically-change-resolution")); 060 } 061 062 if (attributes.containsKey("show-errors")) { 063 tsLayer.showErrors = Boolean.parseBoolean(attributes.get("show-errors")); 064 } 065 } 066 if (attributes.containsKey("dx") && attributes.containsKey("dy")) { 067 layer.setOffset(Double.parseDouble(attributes.get("dx")), Double.parseDouble(attributes.get("dy"))); 068 } 069 return layer; 070 } 071}