public boolean initialize(MapSource mapSource) throws IOException, WMSServiceException {
if (null == mapSource) {
String msg = Logging.getMessage("nullValue.MapSourceIsNull");
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
}
this.mapSource = mapSource;
this.params = mapSource.getParameters();
if (null == params) {
String msg = Logging.getMessage("nullValue.AVListIsNull");
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
}
if (!params.hasKey(AVKey.FILE_NAME)) {
String msg = Logging.getMessage("nullValue.ParamsIsNull");
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
}
this.sourceFile = new File(params.getStringValue(AVKey.FILE_NAME));
if (!this.sourceFile.exists()) {
String msg = Logging.getMessage("generic.FileNotFound", this.sourceFile.getAbsolutePath());
Logging.logger().severe(msg);
throw new FileNotFoundException(msg);
}
AVList fileParams = this.params.copy();
try {
this.readerFactory =
(DataRasterReaderFactory)
WorldWind.createConfigurationComponent(AVKey.DATA_RASTER_READER_FACTORY_CLASS_NAME);
} catch (Exception e) {
this.readerFactory = new BasicDataRasterReaderFactory();
}
DataRasterReader reader =
this.readerFactory.findReaderFor(this.sourceFile, fileParams, readers);
if (reader == null) {
String msg = Logging.getMessage("nullValue.ReaderIsNull", this.sourceFile);
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
}
reader.readMetadata(this.sourceFile, fileParams);
this.params.setValues(fileParams);
if (!this.params.hasKey(AVKey.SECTOR)) {
String msg = Logging.getMessage("nullValue.SectorIsNull");
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
}
this.BBOX = (Sector) this.params.getValue(AVKey.SECTOR);
if (0d == this.BBOX.getDeltaLatDegrees() || 0d == this.BBOX.getDeltaLonDegrees()) {
String msg = Logging.getMessage("generic.SectorSizeInvalid");
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
}
int height = 0;
if (!this.params.hasKey(AVKey.HEIGHT)) {
String msg = Logging.getMessage("generic.InvalidHeight", 0);
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
} else {
Object o = this.params.getValue(AVKey.HEIGHT);
double d = Double.parseDouble("" + o);
height = (int) d;
}
if (!this.params.hasKey(AVKey.WIDTH)) {
String msg = Logging.getMessage("generic.InvalidWidth", 0);
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
}
this.isElevation =
(this.params.hasKey(AVKey.PIXEL_FORMAT)
&& AVKey.ELEVATION.equals(this.params.getValue(AVKey.PIXEL_FORMAT)));
if (this.params.hasKey(AVKey.MISSING_DATA_SIGNAL)) {
try {
Object o = this.params.getValue(AVKey.MISSING_DATA_SIGNAL);
double d = Double.parseDouble("" + o);
this.nodataSignal = (short) d;
} catch (Exception e) {
this.nodataSignal = (this.isElevation) ? Short.MIN_VALUE : 0;
}
} else {
this.nodataSignal = (this.isElevation) ? Short.MIN_VALUE : 0;
}
if (this.params.hasKey(AVKey.MISSING_DATA_REPLACEMENT)) {
try {
Object o = this.params.getValue(AVKey.MISSING_DATA_REPLACEMENT);
double d = Double.parseDouble("" + o);
this.nodataReplacement = (short) d;
} catch (Exception e) {
Logging.logger().finest(e.getMessage());
this.nodataReplacement = (this.isElevation) ? Short.MIN_VALUE : 0;
}
} else {
this.nodataReplacement = (this.isElevation) ? Short.MIN_VALUE : 0;
}
if (this.isElevation) {
if (this.params.hasKey(AVKey.ELEVATION_UNIT)) {
try {
String unit = this.params.getStringValue(AVKey.ELEVATION_UNIT);
this.convertFeetToMeters = "feet".equalsIgnoreCase(unit);
} catch (Exception e) {
Logging.logger().finest(e.getMessage());
}
}
}
// if PIXEL_HEIGHT is specified, we are not overriding it
// because UTM images will have different pixel size
if (!this.params.hasKey(AVKey.PIXEL_HEIGHT)) {
this.pixelHeight = this.BBOX.getDeltaLatDegrees() / (double) height;
} else {
try {
Object o = this.params.getValue(AVKey.PIXEL_HEIGHT);
this.pixelHeight = Double.parseDouble("" + o);
} catch (Exception e) {
Logging.logger().finest(e.getMessage());
}
}
this.rasters = reader.read(this.sourceFile, this.params);
if (null == this.rasters || 0 == this.rasters.length) {
String msg = Logging.getMessage("nullValue.RasterIsNull");
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
}
return true;
}
public ImageFormatter serviceRequest(IMapRequest req) throws IOException, WMSServiceException {
ImageFormatter formatter = null;
try {
Sector reqExtent =
(SingleFileLayer.this.isElevation)
? req.getExtentForElevationRequest()
: req.getExtent();
if (null == this.intersects(reqExtent, SingleFileLayer.this.getBBox())) {
String msg =
Logging.getMessage(
"WMS.Layer.OutOfCoverage",
reqExtent.toString(),
SingleFileLayer.this.getBBox().toString());
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
}
if (req.getHeight() <= 0 || req.getWidth() <= 0) {
String msg =
Logging.getMessage("generic.InvalidImageSize", req.getWidth(), req.getHeight());
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
}
DataRaster[] rasters = SingleFileLayer.this.rasters;
if (null == rasters || 0 == rasters.length) {
String msg = Logging.getMessage("nullValue.RasterIsNull");
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
}
double missingDataReplacement = (double) SingleFileLayer.this.nodataReplacement;
try {
String s = req.getBGColor();
if (null != s) {
missingDataReplacement = Double.parseDouble(s);
}
} catch (Exception e) {
missingDataReplacement = (double) SingleFileLayer.this.nodataReplacement;
}
DataRaster raster = rasters[0];
if (raster instanceof BufferedImageRaster) {
BufferedImageRaster reqRaster =
new BufferedImageRaster(
req.getWidth(), req.getHeight(), Transparency.TRANSLUCENT, reqExtent);
raster.drawOnTo(reqRaster);
BufferedImage img = reqRaster.getBufferedImage();
this.makeNoDataTransparent(
img, SingleFileLayer.this.nodataSignal, (short) missingDataReplacement);
formatter = new BufferedImageFormatter(img);
} else if (raster instanceof ByteBufferRaster) {
AVList reqParams = new AVListImpl();
reqParams.setValue(AVKey.WIDTH, req.getWidth());
reqParams.setValue(AVKey.HEIGHT, req.getHeight());
reqParams.setValue(AVKey.SECTOR, reqExtent);
reqParams.setValue(
AVKey.BYTE_ORDER, AVKey.LITTLE_ENDIAN); // by default BIL is LITTLE ENDIAN
reqParams.setValue(AVKey.PIXEL_FORMAT, AVKey.ELEVATION);
String reqFormat = req.getFormat();
if (null != reqFormat && reqFormat.endsWith("32")) {
reqParams.setValue(AVKey.DATA_TYPE, AVKey.FLOAT32);
} else {
reqParams.setValue(AVKey.DATA_TYPE, AVKey.INT16);
}
reqParams.setValue(AVKey.MISSING_DATA_REPLACEMENT, missingDataReplacement);
ByteBufferRaster reqRaster =
new ByteBufferRaster(req.getWidth(), req.getHeight(), reqExtent, reqParams);
raster.drawOnTo(reqRaster);
if (SingleFileLayer.this.convertFeetToMeters) {
this.convertFeetToMeters(reqRaster);
}
formatter = new DataRasterFormatter(reqRaster);
} else {
String msg =
Logging.getMessage(
"generic.UnrecognizedImageSourceType", raster.getClass().getName());
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
}
} catch (WMSServiceException wmsse) {
throw wmsse;
} catch (Exception ex) {
Logging.logger()
.log(
java.util.logging.Level.SEVERE,
SingleFileLayer.this.getThreadId() + ex.getMessage(),
ex);
// throw new WMSServiceException( s );
} finally {
}
return formatter;
}
