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.progress.ProgressMonitor; 017import org.openstreetmap.josm.io.IllegalDataException; 018import org.openstreetmap.josm.io.session.SessionReader.ImportSupport; 019import org.w3c.dom.Element; 020import org.w3c.dom.Node; 021import org.w3c.dom.NodeList; 022 023/** 024 * Session importer for both TMSLayer and WMSLayer. 025 */ 026public class ImagerySessionImporter implements SessionLayerImporter { 027 028 @Override 029 public Layer load(Element elem, ImportSupport support, ProgressMonitor progressMonitor) throws IOException, IllegalDataException { 030 String version = elem.getAttribute("version"); 031 if (!"0.1".equals(version)) { 032 throw new IllegalDataException(tr("Version ''{0}'' of meta data for imagery layer is not supported. Expected: 0.1", version)); 033 } 034 Map<String, String> attributes = new HashMap<>(); 035 036 NodeList nodes = elem.getChildNodes(); 037 038 for (int i = 0; i < nodes.getLength(); ++i) { 039 Node node = nodes.item(i); 040 if (node.getNodeType() == Node.ELEMENT_NODE) { 041 Element e = (Element) node; 042 attributes.put(e.getTagName(), e.getTextContent()); 043 } 044 } 045 ImageryPreferenceEntry prefEntry = Preferences.deserializeStruct(attributes, ImageryPreferenceEntry.class); 046 ImageryInfo i = new ImageryInfo(prefEntry); 047 ImageryLayer layer = ImageryLayer.create(i); 048 if (layer instanceof AbstractTileSourceLayer) { 049 AbstractTileSourceLayer tsLayer = (AbstractTileSourceLayer) layer; 050 if (attributes.containsKey("automatic-downloading")) { 051 tsLayer.autoLoad = Boolean.parseBoolean(attributes.get("automatic-downloading")); 052 } 053 054 if (attributes.containsKey("automatically-change-resolution")) { 055 tsLayer.autoZoom = Boolean.parseBoolean(attributes.get("automatically-change-resolution")); 056 } 057 058 if (attributes.containsKey("show-errors")) { 059 tsLayer.showErrors = Boolean.parseBoolean(attributes.get("show-errors")); 060 } 061 } 062 if (attributes.containsKey("dx") && attributes.containsKey("dy")) { 063 layer.setOffset(Double.parseDouble(attributes.get("dx")), Double.parseDouble(attributes.get("dy"))); 064 } 065 return layer; 066 } 067}