/** * Create a {@link TiledImageLayer} layer described by an XML layer description. * * @param domElement the XML element describing the layer to create. The element must inculde a * service name identifying the type of service to use to retrieve layer data. Recognized * service types are "Offline", "WWTileService" and "OGC:WMS". * @param params any parameters to apply when creating the layer. * @return a new layer * @throws WWUnrecognizedException if the service type given in the describing element is * unrecognized. */ protected Layer createTiledImageLayer(Element domElement, AVList params) { Layer layer; String serviceName = WWXML.getText(domElement, "Service/@serviceName"); if ("Offline".equals(serviceName)) { layer = new BasicTiledImageLayer(domElement, params); } else if ("WWTileService".equals(serviceName)) { layer = new BasicTiledImageLayer(domElement, params); } else if (OGCConstants.WMS_SERVICE_NAME.equals(serviceName)) { layer = new WMSTiledImageLayer(domElement, params); } else if (AVKey.SERVICE_NAME_LOCAL_RASTER_SERVER.equals(serviceName)) { layer = new LocalRasterServerLayer(domElement, params); } else { String msg = Logging.getMessage("generic.UnrecognizedServiceName", serviceName); throw new WWUnrecognizedException(msg); } // // String name = layer.getStringValue(AVKey.DISPLAY_NAME); // System.out.println(name); String actuate = WWXML.getText(domElement, "@actuate"); layer.setEnabled(actuate != null && actuate.equals("onLoad")); return layer; }
/** * Create a collection of layer lists and their included layers described by an array of XML * layer-list description elements. * * <p>Any exceptions occurring during creation of the layer lists or their included layers are * logged and not re-thrown. The layers associated with the exceptions are not included in the * returned layer list. * * @param elements the XML elements describing the layer lists to create. * @param params any parameters to apply when creating the included layers. * @return an array containing the specified layer lists. */ protected LayerList[] createLayerLists(Element[] elements, AVList params) { ArrayList<LayerList> layerLists = new ArrayList<LayerList>(); for (Element element : elements) { try { String href = WWXML.getText(element, "@href"); if (href != null && href.length() > 0) { Object o = this.createFromConfigSource(href, params); if (o == null) continue; if (o instanceof Layer) { LayerList ll = new LayerList(); ll.add((Layer) o); o = ll; } if (o instanceof LayerList) { LayerList list = (LayerList) o; if (list != null && list.size() > 0) layerLists.add(list); } else if (o instanceof LayerList[]) { LayerList[] lists = (LayerList[]) o; if (lists != null && lists.length > 0) layerLists.addAll(Arrays.asList(lists)); } else { String msg = Logging.getMessage("LayerFactory.UnexpectedTypeForLayer", o.getClass().getName()); Logging.logger().log(java.util.logging.Level.WARNING, msg); } continue; } String title = WWXML.getText(element, "@title"); Element[] children = WWXML.getElements(element, "./Layer", null); if (children != null && children.length > 0) { LayerList list = this.createLayerList(children, params); if (list != null && list.size() > 0) { layerLists.add(list); if (title != null && title.length() > 0) list.setValue(AVKey.DISPLAY_NAME, title); } } } catch (Exception e) { Logging.logger().log(java.util.logging.Level.WARNING, e.getMessage(), e); // keep going to create other layers } } return layerLists.toArray(new LayerList[layerLists.size()]); }
/** * Create a layer described by an XML layer description. * * @param domElement the XML element describing the layer to create. * @param params any parameters to apply when creating the layer. * @return a new layer * @throws WWUnrecognizedException if the layer type or service type given in the describing * element is unrecognized. * @see #createTiledImageLayer(org.w3c.dom.Element, gov.nasa.worldwind.avlist.AVList). */ protected Layer createFromLayerDocument(Element domElement, AVList params) { String className = WWXML.getText(domElement, "@className"); if (className != null && className.length() > 0) { Layer layer = (Layer) WorldWind.createComponent(className); String actuate = WWXML.getText(domElement, "@actuate"); layer.setEnabled(WWUtil.isEmpty(actuate) || actuate.equals("onLoad")); WWXML.invokePropertySetters(layer, domElement); return layer; } AVList props = WWXML.copyProperties(domElement, null); if (props != null) { // Copy params and add any properties for this layer to the copy if (params != null) props.setValues(params); params = props; } Layer layer; String href = WWXML.getText(domElement, "@href"); if (href != null && href.length() > 0) { Object o = this.createFromConfigSource(href, params); if (o == null) return null; if (!(o instanceof Layer)) { String msg = Logging.getMessage("LayerFactory.UnexpectedTypeForLayer", o.getClass().getName()); throw new WWRuntimeException(msg); } layer = (Layer) o; } else { String layerType = WWXML.getText(domElement, "@layerType"); if (layerType != null && layerType.equals("TiledImageLayer")) { layer = this.createTiledImageLayer(domElement, params); } else { String msg = Logging.getMessage("generic.UnrecognizedLayerType", layerType); throw new WWUnrecognizedException(msg); } } if (layer != null) { String actuate = WWXML.getText(domElement, "@actuate"); layer.setEnabled(actuate != null && actuate.equals("onLoad")); WWXML.invokePropertySetters(layer, domElement); } return layer; }