public static double?getDoubleValue(AVList avList, string key)
{
object o = avList.getValue(key);
if (o == null)
{
return(null);
}
if (o is double)
{
return((double)o);
}
string v = getStringValue(avList, key);
if (v == null)
{
return(null);
}
try
{
return(double.Parse(v));
}
catch (Exception e)
{
Logging.logger().log(Level.SEVERE, "Configuration.ConversionError", v);
return(null);
}
}
protected bool doCanRead(Object source, AVList parameters)
{
String path = WWIO.getSourcePath(source);
if (path == null)
{
return(false);
}
GeotiffReader reader = null;
try
{
reader = new GeotiffReader(path);
bool isGeoTiff = reader.isGeotiff(0);
if (!isGeoTiff)
{
isGeoTiff = WorldFile.hasWorldFiles(source);
}
return(isGeoTiff);
}
catch (Exception e)
{
// Intentionally ignoring exceptions.
return(false);
}
finally
{
if (reader != null)
{
reader.close();
}
}
}
public static DataRaster wrap(BufferedImage image, AVList parameters)
{
if (null == image)
{
String message = Logging.getMessage("nullValue.ImageIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
if (null == parameters)
{
String msg = Logging.getMessage("nullValue.AVListIsNull");
Logging.logger().finest(msg);
throw new ArgumentException(msg);
}
if (params.hasKey(AVKey.WIDTH))
{
int width = (Integer)parameters.getValue(AVKey.WIDTH);
if (width != image.getWidth())
{
String msg = Logging.getMessage("generic.InvalidWidth", "" + width + "!=" + image.getWidth());
Logging.logger().finest(msg);
throw new ArgumentException(msg);
}
}
/**
* Parses layer configuration parameters from the specified DOM document. This writes output as key-value pairs to
* parameters. If a parameter from the XML document already exists in parameters, that parameter is ignored. Supported key
* and parameter names are: <table> <tr><th>Parameter</th><th>Element Path</th><th>Type</th></tr> <tr><td>{@link
* AVKey#DISPLAY_NAME}</td><td>DisplayName</td><td>string</td></tr> <tr><td>{@link
* AVKey#OPACITY}</td><td>Opacity</td><td>Double</td></tr> <tr><td>{@link AVKey#MAX_ACTIVE_ALTITUDE}</td><td>ActiveAltitudes/@max</td><td>Double</td></tr>
* <tr><td>{@link AVKey#MIN_ACTIVE_ALTITUDE}</td><td>ActiveAltitudes/@min</td><td>Double</td></tr> <tr><td>{@link
* AVKey#NETWORK_RETRIEVAL_ENABLED}</td><td>NetworkRetrievalEnabled</td><td>Boolean</td></tr> <tr><td>{@link
* AVKey#MAP_SCALE}</td><td>MapScale</td><td>Double</td></tr> <tr><td>{@link AVKey#SCREEN_CREDIT}</td><td>ScreenCredit</td><td>{@link
* ScreenCredit}</td></tr> </table>
*
* @param domElement the XML document root to parse for layer configuration elements.
* @param parameters the output key-value pairs which recieve the layer configuration parameters. A null reference
* is permitted.
*
* @return a reference to parameters, or a new AVList if parameters is null.
*
* @throws ArgumentException if the document is null.
*/
public static AVList getLayerConfigParams(Element domElement, AVList parameters)
{
if (domElement == null)
{
string message = Logging.getMessage("nullValue.DocumentIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
if (parameters == null)
{
parameters = new AVListImpl();
}
XPath xpath = WWXML.makeXPath();
WWXML.checkAndSetStringParam(domElement, parameters, AVKey.DISPLAY_NAME, "DisplayName", xpath);
WWXML.checkAndSetDoubleParam(domElement, parameters, AVKey.OPACITY, "Opacity", xpath);
WWXML.checkAndSetDoubleParam(domElement, parameters, AVKey.MAX_ACTIVE_ALTITUDE, "ActiveAltitudes/@max", xpath);
WWXML.checkAndSetDoubleParam(domElement, parameters, AVKey.MIN_ACTIVE_ALTITUDE, "ActiveAltitudes/@min", xpath);
WWXML.checkAndSetBooleanParam(domElement, parameters, AVKey.NETWORK_RETRIEVAL_ENABLED, "NetworkRetrievalEnabled",
xpath);
WWXML.checkAndSetDoubleParam(domElement, parameters, AVKey.MAP_SCALE, "MapScale", xpath);
WWXML.checkAndSetScreenCreditParam(domElement, parameters, AVKey.SCREEN_CREDIT, "ScreenCredit", xpath);
WWXML.checkAndSetIntegerParam(domElement, parameters, AVKey.MAX_ABSENT_TILE_ATTEMPTS, "MaxAbsentTileAttempts",
xpath);
WWXML.checkAndSetIntegerParam(domElement, parameters, AVKey.MIN_ABSENT_TILE_CHECK_INTERVAL,
"MinAbsentTileCheckInterval", xpath);
WWXML.checkAndSetBooleanParam(domElement, parameters, AVKey.PICK_ENABLED, "PickEnabled", xpath);
return(parameters);
}
/** {@inheritDoc} */
public DataRasterReader findReaderFor(Object source, AVList parameters, DataRasterReader[] readers)
{
if (source == null)
{
String message = Logging.getMessage("nullValue.SourceIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
if (readers == null)
{
String message = Logging.getMessage("nullValue.ReaderIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
foreach (DataRasterReader reader in readers)
{
if (reader != null && reader.canRead(source, parameters))
{
return(reader);
}
}
return(null);
}
protected bool doCanRead(Object source, AVList parameters)
{
if (!(source is java.io.File) && !(source is java.net.URL))
{
return(false);
}
// If the data source doesn't already have all the necessary metadata, then we determine whether or not
// the missing metadata can be read.
String error = this.validateMetadata(source, parameters);
if (!WWUtil.isEmpty(error))
{
if (!WorldFile.hasWorldFiles(source))
{
Logging.logger().fine(error);
return(false);
}
}
if (null != parameters)
{
if (!params.hasKey(AVKey.PIXEL_FORMAT))
{
parameters.setValue(AVKey.PIXEL_FORMAT, AVKey.ELEVATION);
}
}
return(true);
}
public static bool?getBooleanValue(AVList avList, string key)
{
object o = avList.getValue(key);
if (o == null)
{
return(null);
}
if (o is bool)
{
return((bool)o);
}
if (!(o is string))
{
return(null);
}
string text = (string)o;
bool result;
if (bool.TryParse(text, out result))
{
return(result);
}
Logging.logger().log(Level.SEVERE, "Configuration.ConversionError", new Exception().Message);
return(null);
}
DataRaster doGetSubRaster(int width, int height, Sector sector, AVList parameters)
{
DataRaster canvas = this.createSubRaster(width, height, sector, parameters);
this.drawOnTo(canvas);
return(canvas);
}
/**
* Create the objects described in an XML element containing layer and/or layer-list descriptions. Nested layer
* lists and included layers are created recursively.
*
* @param domElement an XML element describing the layers and/or layer lists.
* @param parameters any properties to apply when creating the included layers.
*
* @return a <code>Layer</code>, <code>LayerList</code> or array of <code>LayerList</code>s, as described by the
* specified description.
*
* @throws Exception if an exception occurs during creation. Exceptions occurring during creation of internal layers
* or layer lists are not re-thrown but are logged. The layer or layer list associated with the
* exception is not contained in the returned object.
*/
protected override Object doCreateFromElement(Element domElement, AVList parameters)
{
Element[] elements = WWXML.getElements(domElement, "//LayerList", null);
if (elements != null && elements.Length > 0)
{
return(createLayerLists(elements, parameters));
}
elements = WWXML.getElements(domElement, "./Layer", null);
if (elements != null && elements.Length > 1)
{
return(createLayerList(elements, parameters));
}
if (elements != null && elements.Length == 1)
{
return(this.createFromLayerDocument(elements[0], parameters));
}
String localName = WWXML.getUnqualifiedName(domElement);
if (localName != null && localName.Equals("Layer"))
{
return(this.createFromLayerDocument(domElement, parameters));
}
return(null);
}
protected URLBuilder(String version, AVList parameters)
{
Double d = (Double)parameters.getValue(AVKey.MISSING_DATA_SIGNAL);
this.layerNames = parameters.getStringValue(AVKey.LAYER_NAMES);
this.styleNames = parameters.getStringValue(AVKey.STYLE_NAMES);
this.imageFormat = parameters.getStringValue(AVKey.IMAGE_FORMAT);
String coordSystemKey;
String defaultCS;
if (version == null || WWUtil.compareVersion(version, "1.3.0") >= 0) // version 1.3.0 or greater
{
this.wmsVersion = MAX_VERSION;
coordSystemKey = "&crs=";
defaultCS = "CRS:84"; // would like to do EPSG:4326 but that's incompatible with our old WMS server, see WWJ-474
}
else
{
this.wmsVersion = version;
coordSystemKey = "&srs=";
defaultCS = "EPSG:4326";
}
String coordinateSystem = parameters.getStringValue(AVKey.COORDINATE_SYSTEM);
this.crs = coordSystemKey + (coordinateSystem != null ? coordinateSystem : defaultCS);
}
protected Layer doCreateFromCapabilities(OGCCapabilities caps, AVList parameters)
{
string serviceName = caps.getServiceInformation().getServiceName();
if (serviceName == null || !(serviceName.equalsIgnoreCase(OGCConstants.WMS_SERVICE_NAME) ||
serviceName.Contains("WMS")))
{
string message = Logging.getMessage("WMS.NotWMSService", serviceName != null ? serviceName : "null");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
if (parameters == null)
{
parameters = new AVListImpl();
}
if (parameters.getStringValue(AVKey.LAYER_NAMES) == null)
{
// Use the first named layer since no other guidance given
List <WMSLayerCapabilities> namedLayers = ((WMSCapabilities)caps).getNamedLayers();
if (namedLayers == null || namedLayers.Count == 0 || namedLayers[0] == null)
{
String message = Logging.getMessage("WMS.NoLayersFound");
Logging.logger().severe(message);
throw new IllegalStateException(message);
}
parameters.setValue(AVKey.LAYER_NAMES, namedLayers[0].getName());
}
return(new WMSTiledImageLayer((WMSCapabilities)caps, parameters));
}
public URLBuilder(AVList parameters)
{
this.layerNames = parameters.getStringValue(AVKey.LAYER_NAMES);
this.styleNames = parameters.getStringValue(AVKey.STYLE_NAMES);
this.imageFormat = parameters.getStringValue(AVKey.IMAGE_FORMAT);
this.backgroundColor = parameters.getStringValue(AVKey.WMS_BACKGROUND_COLOR);
String version = parameters.getStringValue(AVKey.WMS_VERSION);
String coordSystemKey;
String defaultCS;
if (version == null || WWUtil.compareVersion(version, "1.3.0") >= 0)
{
this.wmsVersion = MAX_VERSION;
coordSystemKey = "&crs=";
defaultCS = "CRS:84"; // would like to do EPSG:4326 but that's incompatible with our old WMS server, see WWJ-474
}
else
{
this.wmsVersion = version;
coordSystemKey = "&srs=";
defaultCS = "EPSG:4326";
}
String coordinateSystem = parameters.getStringValue(AVKey.COORDINATE_SYSTEM);
this.crs = coordSystemKey + (coordinateSystem != null ? coordinateSystem : defaultCS);
}
public LocalRasterServerRetriever(AVList parameters, RasterServer rasterServer, RetrievalPostProcessor postProcessor)
{
if (null != parameters)
{
this.setValues(params);
}
this.server = rasterServer;
this.postProcessor = postProcessor;
}
protected void createRasterServer(AVList parameters)
{
if (params == null)
{
String reason = Logging.getMessage("nullValue.ParamsIsNull");
String msg = Logging.getMessage("generic.CannotCreateRasterServer", reason);
Logging.logger().severe(msg);
throw new IllegalStateException(msg);
}
if (this.getDataFileStore() == null)
{
String reason = Logging.getMessage("nullValue.FileStoreIsNull");
String msg = Logging.getMessage("generic.CannotCreateRasterServer", reason);
Logging.logger().severe(msg);
throw new IllegalStateException(msg);
}
String datasetName = parameters.getStringValue(AVKey.DATASET_NAME);
if (WWUtil.isEmpty(datasetName))
{
String reason = Logging.getMessage("generic.MissingRequiredParameter", AVKey.DATASET_NAME);
String msg = Logging.getMessage("generic.CannotCreateRasterServer", reason);
Logging.logger().severe(msg);
throw new IllegalStateException(msg);
}
String dataCacheName = parameters.getStringValue(AVKey.DATA_CACHE_NAME);
if (WWUtil.isEmpty(dataCacheName))
{
String reason = Logging.getMessage("generic.MissingRequiredParameter", AVKey.DATA_CACHE_NAME);
String msg = Logging.getMessage("generic.CannotCreateRasterServer", reason);
Logging.logger().severe(msg);
throw new IllegalStateException(msg);
}
String rasterServerConfigFilename = dataCacheName + File.separator + datasetName + ".RasterServer.xml";
final URL rasterServerFileURL = this.getDataFileStore().findFile(rasterServerConfigFilename, false);
if (WWUtil.isEmpty(rasterServerFileURL))
{
String reason = Logging.getMessage("Configuration.ConfigNotFound", rasterServerConfigFilename);
String msg = Logging.getMessage("generic.CannotCreateRasterServer", reason);
Logging.logger().severe(msg);
throw new IllegalStateException(msg);
}
final AVList rasterServerParams = parameters.copy();
rasterServerParams.setValue(AVKey.FILE_STORE, this.getDataFileStore());
RetrieverFactory retrieverFactory = new RetrieverFactory()
{
final protected RasterServer rasterServer = new BasicRasterServer(rasterServerFileURL, rasterServerParams);
/** {@inheritDoc} */
public DataRasterReader findReaderFor(Object source, AVList parameters)
{
if (source == null)
{
String message = Logging.getMessage("nullValue.SourceIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
return(findReaderFor(source, parameters, readers));
}
public static String getStringValue(AVList avList, String key)
{
try
{
return(avList.getStringValue(key));
}
catch (Exception e)
{
return(null);
}
}
public Object createFromConfigSource(Object configSource, AVList parameters)
{
ElevationModel model = (ElevationModel)super.createFromConfigSource(configSource, parameters);
if (model == null)
{
String msg = Logging.getMessage("generic.UnrecognizedDocument", configSource);
throw new WWUnrecognizedException(msg);
}
return(model);
}
public bool canRead(Object source, AVList parameters)
{
if (source == null)
{
return(false);
}
// RPF imagery cannot be identified by a small set of suffixes or mime types, so we override the standard
// suffix comparison behavior here.
return(this.doCanRead(source, parameters));
}
/**
* Creates a layer or layer list from a general configuration source. The source can be one of the following: <ul>
* <li>a {@link java.net.URL}</li> <li>a {@link java.io.File}</li> <li>a {@link java.io.InputStream}</li> <li>{@link
* Element}</li> <li>a {@link String} holding a file name, a name of a resource on the classpath, or a string
* representation of a URL</li> </ul>
* <p/>
* For tiled image layers, this maps the <code>serviceName</code> attribute of the <code>Layer/Service</code>
* element of the XML configuration file to the appropriate base tiled image layer type. Service types recognized
* are: <ul> <li>"WMS" for layers that draw their data from a WMS web service.</li> <li>"WWTileService" for layers
* that draw their data from a World Wind tile service.</li> <li>"Offline" for layers that draw their data only from
* the local cache.</li> </ul>
*
* @param configSource the configuration source. See above for supported types.
*
* @return a layer or layer list.
*
* @throws ArgumentException if the configuration file name is null or an empty string.
* @throws WWUnrecognizedException if the layer service type is unrecognized.
* @throws WWRuntimeException if object creation fails. The exception indicating the source of the failure is
* included as the {@link Exception#initCause(Throwable)}.
*/
public object createFromConfigSource(object configSource, AVList parameters)
{
object layerOrLists = base.createFromConfigSource(configSource, parameters);
if (layerOrLists == null)
{
string msg = Logging.getMessage("generic.UnrecognizedDocument", configSource);
throw new WWUnrecognizedException(msg);
}
return(layerOrLists);
}
//**************************************************************//
//******************** Configuration *************************//
//**************************************************************//
/**
* Appends WMS tiled image layer configuration elements to the superclass configuration document.
*
* @param parameters configuration parameters describing this WMS tiled image layer.
*
* @return a WMS tiled image layer configuration document.
*/
protected Document createConfigurationDocument(AVList parameters)
{
Document doc = super.createConfigurationDocument(params);
if (doc == null || doc.getDocumentElement() == null)
{
return(doc);
}
DataConfigurationUtils.createWMSLayerConfigElements(params, doc.getDocumentElement());
return(doc);
}
protected static void wmsRestoreStateToParams(RestorableSupport rs, RestorableSupport.StateObject context,
AVList parameters)
{
// Invoke the BasicTiledImageLayer functionality.
restoreStateForParams(rs, context, parameters);
// Parse any legacy WMSTiledImageLayer state values.
legacyWmsRestoreStateToParams(rs, context, parameters);
String s = rs.getStateValueAsString(context, AVKey.IMAGE_FORMAT);
if (s != null)
{
parameters.setValue(AVKey.IMAGE_FORMAT, s);
}
s = rs.getStateValueAsString(context, AVKey.TITLE);
if (s != null)
{
parameters.setValue(AVKey.TITLE, s);
}
s = rs.getStateValueAsString(context, AVKey.DISPLAY_NAME);
if (s != null)
{
parameters.setValue(AVKey.DISPLAY_NAME, s);
}
RestorableSupport.adjustTitleAndDisplayName(params);
s = rs.getStateValueAsString(context, AVKey.LAYER_NAMES);
if (s != null)
{
parameters.setValue(AVKey.LAYER_NAMES, s);
}
s = rs.getStateValueAsString(context, AVKey.STYLE_NAMES);
if (s != null)
{
parameters.setValue(AVKey.STYLE_NAMES, s);
}
s = rs.getStateValueAsString(context, "wms.Version");
if (s != null)
{
parameters.setValue(AVKey.WMS_VERSION, s);
}
parameters.setValue(AVKey.TILE_URL_BUILDER, new URLBuilder(parameters));
}
public Retriever createRetriever(AVList tileParams, RetrievalPostProcessor postProcessor)
{
LocalRasterServerRetriever retriever =
new LocalRasterServerRetriever(tileParams, this.rasterServer, postProcessor);
// copy only values that do not exist in destination AVList
// from rasterServerParams (source) to retriever (destination)
String[] keysToCopy = new String[] {
AVKey.DATASET_NAME, AVKey.DISPLAY_NAME, AVKey.FILE_STORE, AVKey.IMAGE_FORMAT, AVKey.FORMAT_SUFFIX
};
WWUtil.copyValues(rasterServerParams, retriever, keysToCopy, false);
return(retriever);
}
protected static void wcsSetFallbacks(AVList parameters)
{
if (parameters.getValue(AVKey.LEVEL_ZERO_TILE_DELTA) == null)
{
Angle delta = Angle.fromDegrees(20);
parameters.setValue(AVKey.LEVEL_ZERO_TILE_DELTA, new LatLon(delta, delta));
}
if (parameters.getValue(AVKey.TILE_WIDTH) == null)
{
parameters.setValue(AVKey.TILE_WIDTH, 150);
}
if (parameters.getValue(AVKey.TILE_HEIGHT) == null)
{
parameters.setValue(AVKey.TILE_HEIGHT, 150);
}
if (parameters.getValue(AVKey.FORMAT_SUFFIX) == null)
{
parameters.setValue(AVKey.FORMAT_SUFFIX, ".tif");
}
if (parameters.getValue(AVKey.MISSING_DATA_SIGNAL) == null)
{
parameters.setValue(AVKey.MISSING_DATA_SIGNAL, -9999d);
}
if (parameters.getValue(AVKey.NUM_LEVELS) == null)
{
parameters.setValue(AVKey.NUM_LEVELS, 18); // approximately 20 cm per pixel
}
if (parameters.getValue(AVKey.NUM_EMPTY_LEVELS) == null)
{
parameters.setValue(AVKey.NUM_EMPTY_LEVELS, 0);
}
if (parameters.getValue(AVKey.ELEVATION_MIN) == null)
{
parameters.setValue(AVKey.ELEVATION_MIN, -11000.0);
}
if (parameters.getValue(AVKey.ELEVATION_MAX) == null)
{
parameters.setValue(AVKey.ELEVATION_MAX, 8850.0);
}
}
public AVList setValues(AVList list)
{
if (list == null)
{
String message = Logging.getMessage("nullValue.AttributesIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
var entries = list.getEntries();
foreach (var entry in entries)
{
setValue(entry.Key, entry.Value);
}
return(this);
}
public static AVList getWCSElevationModelConfigParams(WCS100Capabilities caps, WCS100DescribeCoverage coverage,
AVList parameters)
{
DataConfigurationUtils.getWCSConfigParameters(caps, coverage, parameters); // checks for null args
// Ensure that we found all the necessary information.
if (parameters.getStringValue(AVKey.DATASET_NAME) == null)
{
Logging.logger().warning(Logging.getMessage("WCS.NoCoverageName"));
throw new WWRuntimeException(Logging.getMessage("WCS.NoCoverageName"));
}
if (parameters.getStringValue(AVKey.SERVICE) == null)
{
Logging.logger().warning(Logging.getMessage("WCS.NoGetCoverageURL"));
throw new WWRuntimeException(Logging.getMessage("WCS.NoGetCoverageURL"));
}
if (parameters.getStringValue(AVKey.DATA_CACHE_NAME) == null)
{
Logging.logger().warning(Logging.getMessage("nullValue.DataCacheIsNull"));
throw new WWRuntimeException(Logging.getMessage("nullValue.DataCacheIsNull"));
}
if (parameters.getStringValue(AVKey.IMAGE_FORMAT) == null)
{
Logging.logger().severe("WCS.NoImageFormats");
throw new WWRuntimeException(Logging.getMessage("WCS.NoImageFormats"));
}
if (parameters.getValue(AVKey.SECTOR) == null)
{
Logging.logger().severe("WCS.NoLonLatEnvelope");
throw new WWRuntimeException(Logging.getMessage("WCS.NoLonLatEnvelope"));
}
if (parameters.getStringValue(AVKey.COORDINATE_SYSTEM) == null)
{
String msg = Logging.getMessage("WCS.RequiredCRSNotSupported", "EPSG:4326");
Logging.logger().severe(msg);
throw new WWRuntimeException(msg);
}
return(parameters);
}
protected static AVList wcsGetParamsFromCapsDoc(WCS100Capabilities caps, AVList parameters)
{
if (caps == null)
{
String message = Logging.getMessage("nullValue.WCSCapabilities");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
if (parameters == null)
{
String message = Logging.getMessage("nullValue.ElevationModelConfigParams");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
WCS100DescribeCoverage coverage = (WCS100DescribeCoverage)parameters.getValue(AVKey.DOCUMENT);
if (coverage == null)
{
String message = Logging.getMessage("nullValue.WCSDescribeCoverage");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
getWCSElevationModelConfigParams(caps, coverage, parameters);
wcsSetFallbacks(parameters);
determineNumLevels(coverage, parameters);
parameters.setValue(AVKey.TILE_URL_BUILDER, new URLBuilder(caps.getVersion(), parameters));
if (parameters.getValue(AVKey.ELEVATION_EXTREMES_FILE) == null)
{
// Use the default extremes file if there are at least as many levels in this new elevation model as the
// level of the extremes file, which is level 5.
int numLevels = (int)parameters.getValue(AVKey.NUM_LEVELS);
if (numLevels >= 6)
{
parameters.setValue(AVKey.ELEVATION_EXTREMES_FILE, "config/SRTM30Plus_ExtremeElevations_5.bil");
}
}
return(parameters);
}
/**
* Static method to create an object from a factory, a configuration source, and an optional configuration parameter
* list.
*
* @param factoryKey the key identifying the factory in {@link Configuration}.
* @param configSource the configuration source. May be any of the types listed for {@link
* #createFromConfigSource(object, SharpEarth.avlist.AVList)}
* @param parameters key-value parameters to override or supplement the information provided in the specified
* configuration source. May be null.
*
* @return a new instance of the requested object.
*
* @throws ArgumentException if the factory key is null, or if the configuration source is null or an empty
* string.
*/
public static object create(string factoryKey, object configSource, AVList parameters)
{
if (factoryKey == null)
{
string message = Logging.getMessage("generic.FactoryKeyIsNull");
throw new ArgumentException(message);
}
if (WWUtil.isEmpty(configSource))
{
string message = Logging.getMessage("generic.ConfigurationSourceIsInvalid", configSource);
throw new ArgumentException(message);
}
Factory factory = (Factory)WorldWind.createConfigurationComponent(factoryKey);
return(factory.createFromConfigSource(configSource, parameters));
}
public Retriever createRetriever(AVList tileParams, RetrievalPostProcessor postProcessor)
{
LocalRasterServerRetriever retriever =
new LocalRasterServerRetriever(tileParams, rasterServer, postProcessor);
// copy only values that do not exist in destination AVList
// from rasterServerParams (source) to retriever (destination)
String[] keysToCopy = new String[] {
AVKey.DATASET_NAME, AVKey.DISPLAY_NAME,
AVKey.FILE_STORE, AVKey.BYTE_ORDER,
AVKey.IMAGE_FORMAT, AVKey.DATA_TYPE, AVKey.FORMAT_SUFFIX,
AVKey.MISSING_DATA_SIGNAL, AVKey.MISSING_DATA_REPLACEMENT,
AVKey.ELEVATION_MIN, AVKey.ELEVATION_MAX,
};
WWUtil.copyValues(rasterServerParams, retriever, keysToCopy, false);
return(retriever);
}
/**
* Create a list of layers described by an array of XML layer description elements.
* <p/>
* Any exceptions occurring during creation of the layers are logged and not re-thrown. The layers associated with
* the exceptions are not included in the returned layer list.
*
* @param layerElements the XML elements describing the layers to create.
* @param parameters any parameters to apply when creating the layers.
*
* @return a layer list containing the specified layers.
*/
protected LayerList createLayerList(Element[] layerElements, AVList parameters)
{
LayerList layerList = new LayerList();
foreach (Element element in layerElements)
{
try
{
layerList.add(this.createFromLayerDocument(element, parameters));
}
catch (Exception e)
{
Logging.logger().log(java.util.logging.Level.WARNING, e.getMessage(), e);
// keep going to create other layers
}
}
return(layerList);
}
protected bool doCanRead(Object source, AVList parameters)
{
if (!(source is java.io.File))
{
return(false);
}
java.io.File file = (java.io.File)source;
String filename = file.getName().toUpperCase();
bool canRead = RPFFrameFilename.isFilename(filename);
if (canRead && null != parameters && !params.hasKey(AVKey.PIXEL_FORMAT))
{
parameters.setValue(AVKey.PIXEL_FORMAT, AVKey.IMAGE);
}
return(canRead);
}
