Java WWXML类代码示例

import gov.nasa.worldwind.util.WWXML; //导入依赖的package包/类
public static void setFallbackParams(Document dataConfig, String filename, AVList params) {
	XPath xpath = WWXML.makeXPath();
	Element domElement = dataConfig.getDocumentElement();

	// If the data configuration document doesn't define a cache name, then compute one using the file's path
	// relative to its file cache directory.
	String s = WWXML.getText(domElement, "DataCacheName", xpath);
	if (s == null || s.length() == 0) DataConfigurationUtils.getDataConfigCacheName(filename, params);

	// If the data configuration document doesn't define the data's extreme elevations, provide default values using
	// the minimum and maximum elevations of Earth.
	String type = DataConfigurationUtils.getDataConfigType(domElement);
	if (type.equalsIgnoreCase("ElevationModel")) {
		if (WWXML.getDouble(domElement, "ExtremeElevations/@min", xpath) == null) params.setValue(AVKey.ELEVATION_MIN, Earth.ELEVATION_MIN);
		if (WWXML.getDouble(domElement, "ExtremeElevations/@max", xpath) == null) params.setValue(AVKey.ELEVATION_MAX, Earth.ELEVATION_MAX);
	}
}
 

import gov.nasa.worldwind.util.WWXML; //导入依赖的package包/类
public static ElevationModel getElevationModel(File xml) {
	try {
		if(xml.exists()){
			Document doc=null;
			
			// Get standard document
			doc = WWXML.openDocument(xml);
			doc = DataConfigurationUtils.convertToStandardDataConfigDocument(doc);
			
			AVList params = new AVListImpl();
			WorldWindUtils.setFallbackParams(doc, Constants.ELEVATION_NAME, params);
			
			// Return elevation model in xml file
			BasicElevationModelFactory b = new BasicElevationModelFactory();
			return (ElevationModel) b.createFromConfigSource(xml, params);
		}
	
	} catch (Exception e) {
		e.printStackTrace();
	}
	return null;
}
 

import gov.nasa.worldwind.util.WWXML; //导入依赖的package包/类
/**
 * Append Property elements to a context element.
 * 
 * @param context
 *            the context on which to append new element(s)
 * @param properties
 *            AVList with properties to append.
 */
public static void appendProperties(Element context, AVList properties) {
	if (null == context || properties == null) return;

	StringBuilder sb = new StringBuilder();

	// add properties
	for (Map.Entry<String, Object> entry : properties.getEntries()) {
		sb.setLength(0);
		String key = entry.getKey();
		sb.append(properties.getValue(key));
		String value = sb.toString();
		if (WWUtil.isEmpty(key) || WWUtil.isEmpty(value)) continue;

		Element property = WWXML.appendElement(context, "Property");
		WWXML.setTextAttribute(property, "name", key);
		WWXML.setTextAttribute(property, "value", value);
	}
}
 

import gov.nasa.worldwind.util.WWXML; //导入依赖的package包/类
/**
 * Creates a configuration document for a TiledImageLayer described by the specified params. The returned document
 * may be used as a construction parameter to {@link gov.nasa.worldwind.layers.BasicTiledImageLayer}.
 *
 * @param params parameters describing the TiledImageLayer.
 *
 * @return a configuration document for the TiledImageLayer.
 */
public static Document createTiledImageLayerConfigDocument(AVList params)
{
    Document doc = WWXML.createDocumentBuilder(true).newDocument();

    Element root = WWXML.setDocumentElement(doc, "Layer");
    WWXML.setIntegerAttribute(root, "version", 1);
    WWXML.setTextAttribute(root, "layerType", "TiledImageLayer");

    createTiledImageLayerConfigElements(params, root);

    return doc;
}