protected static AVList wmsGetParamsFromCapsDoc(Capabilities caps, AVList params) {
if (caps == null) {
String message = Logging.getMessage("nullValue.WMSCapabilities");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
if (params == null) {
String message = Logging.getMessage("nullValue.LayerConfigParams");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
try {
DataConfigurationUtils.getWMSLayerParams(caps, formatOrderPreference, params);
} catch (IllegalArgumentException e) {
String message = Logging.getMessage("WMS.MissingLayerParameters");
Logging.logger().log(java.util.logging.Level.SEVERE, message, e);
throw new IllegalArgumentException(message, e);
} catch (WWRuntimeException e) {
String message = Logging.getMessage("WMS.MissingCapabilityValues");
Logging.logger().log(java.util.logging.Level.SEVERE, message, e);
throw new IllegalArgumentException(message, e);
}
setFallbacks(params);
// Setup WMS URL builder.
params.setValue(AVKey.WMS_VERSION, caps.getVersion());
params.setValue(AVKey.TILE_URL_BUILDER, new URLBuilder(params));
// Setup default WMS tiled image layer behaviors.
params.setValue(AVKey.USE_TRANSPARENT_TEXTURES, true);
return params;
}
/**
* Parses WMS elevation model parameters from a specified DOM document. This also parses common
* WMS layer parameters by invoking {@link
* DataConfigurationUtils#getWMSLayerParams(org.w3c.dom.Element,
* gov.nasa.worldwind.avlist.AVList)}. This writes output as key-value pairs to params. If a
* parameter from the XML document already exists in params, that parameter is ignored. Supported
* key and parameter names are:
*
* <table>
* <th><td>Key</td><td>Name</td><td>Type</td></th> <tr><td>{@link AVKey#PIXEL_TYPE}</td><td>PixelType</td><td>String</td></tr>
* </table>
*
* @param domElement the XML document root to parse for tiled image layer parameters.
* @param params the output key-value pairs which recieve the tiled image layer parameters. A null
* reference is permitted.
* @return a reference to params, or a new AVList if params is null.
* @throws IllegalArgumentException if the document is null.
*/
public static AVList getWMSElevationModelParams(Element domElement, AVList params) {
if (domElement == null) {
String message = Logging.getMessage("nullValue.DocumentIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
if (params == null) params = new AVListImpl();
// Common WMS layer properties.
DataConfigurationUtils.getWMSLayerParams(domElement, params);
return params;
}
/**
* Parses WMS elevation model parameters from a specified WMS {@link Capabilities} document. This
* also parses common WMS layer parameters by invoking {@link
* DataConfigurationUtils#getWMSLayerParams(gov.nasa.worldwind.wms.Capabilities, String[],
* gov.nasa.worldwind.avlist.AVList)}. This writes output as key-value pairs to params. Supported
* key and parameter names are:
*
* <table> <th><td>Key</td><td>Value</td><td>Type</td></th> <tr><td>{@link
* AVKey#ELEVATION_MAX}</td><td>WMS layer's maximum extreme elevation</td><td>Double</td></tr> <tr><td>{@link
* AVKey#ELEVATION_MIN}</td><td>WMS layer's minimum extreme elevation</td><td>Double</td></tr> <tr><td>{@link
* AVKey#PIXEL_TYPE}</td><td>Translate WMS layer's image format to a matching pixel type</td><td>String</td></tr>
* </table>
*
* @param caps the WMS Capabilities document to parse for WMS layer parameters.
* @param formatOrderPreference an ordered array of preferred image formats, or null to use the
* default format.
* @param params the output key-value pairs which recieve the WMS layer parameters.
* @return a reference to params.
* @throws IllegalArgumentException if either the document or params are null, or if params does
* not contain the required key-value pairs.
* @throws gov.nasa.worldwind.exception.WWRuntimeException if the Capabilities document does not
* contain any of the required information.
*/
public static AVList getWMSElevationModelParams(
Capabilities caps, String[] formatOrderPreference, AVList params) {
if (caps == null) {
String message = Logging.getMessage("nullValue.WMSCapabilities");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
if (params == null) {
String message = Logging.getMessage("nullValue.ElevationModelConfigParams");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
DataConfigurationUtils.getWMSLayerParams(caps, formatOrderPreference, params);
// Attempt to extract the WMS layer names from the specified parameters.
String layerNames = params.getStringValue(AVKey.LAYER_NAMES);
if (layerNames == null || layerNames.length() == 0) {
String message = Logging.getMessage("nullValue.WMSLayerNames");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
String[] names = layerNames.split(",");
if (names == null || names.length == 0) {
String message = Logging.getMessage("nullValue.WMSLayerNames");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
// Get the layer's extreme elevations.
Double[] extremes = caps.getLayerExtremeElevations(caps, names);
Double d = (Double) params.getValue(AVKey.ELEVATION_MIN);
if (d == null && extremes != null && extremes[0] != null)
params.setValue(AVKey.ELEVATION_MIN, extremes[0]);
d = (Double) params.getValue(AVKey.ELEVATION_MAX);
if (d == null && extremes != null && extremes[1] != null)
params.setValue(AVKey.ELEVATION_MAX, extremes[1]);
// Determine the internal pixel type from the image format.
if (params.getValue(AVKey.PIXEL_TYPE) == null) {
String imageFormat = params.getStringValue(AVKey.IMAGE_FORMAT);
if (imageFormat != null) {
if (imageFormat.equals("application/bil32"))
params.setValue(AVKey.PIXEL_TYPE, AVKey.FLOAT32);
else if (imageFormat.equals("application/bil16"))
params.setValue(AVKey.PIXEL_TYPE, AVKey.INT16);
else if (imageFormat.equals("application/bil"))
params.setValue(AVKey.PIXEL_TYPE, AVKey.INT16);
else if (imageFormat.equals("image/bil")) params.setValue(AVKey.PIXEL_TYPE, AVKey.INT16);
}
}
// Use the default pixel type.
if (params.getValue(AVKey.PIXEL_TYPE) == null) params.setValue(AVKey.PIXEL_TYPE, AVKey.INT16);
// Use the default byte order.
if (params.getValue(AVKey.BYTE_ORDER) == null)
params.setValue(AVKey.BYTE_ORDER, AVKey.LITTLE_ENDIAN);
return params;
}