/**
* @param <K>
* @param properties
* @param subType
* @param defaultResolver
*/
@SuppressWarnings("unchecked")
public <K extends CRSResource<T>> AbstractCRSProvider(
Properties properties, Class<K> subType, CRSResource<T> defaultResolver) {
if (properties == null) {
throw new IllegalArgumentException("The properties may not be null.");
}
String className = properties.getProperty("CRS_RESOURCE");
if (className == null || "".equals(className.trim())) {
if (defaultResolver != null) {
LOG.logWarning(
"Found no configured CRS-Resource to use, trying default: "
+ defaultResolver.getClass().getCanonicalName());
resolver = defaultResolver;
} else {
LOG.logDebug(
"Found no configured CRS-Resource and no default crs resource supplied, hoping for the set method.");
}
} else {
try {
Class<?> tc = null;
if (subType == null) {
StringBuilder sb = new StringBuilder("No subtype suplied trying to use ");
if (defaultResolver != null) {
sb.append(" the default resolver: ");
tc = defaultResolver.getClass();
} else {
tc = CRSResource.class;
}
sb.append(tc.getCanonicalName()).append(" to create a subtype from. ");
LOG.logWarning(sb.toString());
} else {
tc = subType.getClass();
}
// use reflection to instantiate the configured provider.
Class<?> t = Class.forName(className);
t.asSubclass(tc);
LOG.logDebug("Trying to load configured CRS provider from classname: " + className);
Constructor<?> constructor = t.getConstructor(this.getClass(), Properties.class);
if (constructor == null) {
LOG.logError(
"No constructor ( "
+ this.getClass()
+ ", Properties.class) found in class:"
+ className);
} else {
resolver = (K) constructor.newInstance(this, properties);
}
} catch (InstantiationException e) {
LOG.logError(
Messages.getMessage("CRS_CONFIG_INSTANTIATION_ERROR", className, e.getMessage()));
} catch (IllegalAccessException e) {
LOG.logError(
Messages.getMessage("CRS_CONFIG_INSTANTIATION_ERROR", className, e.getMessage()), e);
} catch (ClassNotFoundException e) {
LOG.logError(
Messages.getMessage("CRS_CONFIG_INSTANTIATION_ERROR", className, e.getMessage()), e);
} catch (SecurityException e) {
LOG.logError(
Messages.getMessage("CRS_CONFIG_INSTANTIATION_ERROR", className, e.getMessage()), e);
} catch (NoSuchMethodException e) {
LOG.logError(
Messages.getMessage("CRS_CONFIG_INSTANTIATION_ERROR", className, e.getMessage()), e);
} catch (IllegalArgumentException e) {
LOG.logError(
Messages.getMessage("CRS_CONFIG_INSTANTIATION_ERROR", className, e.getMessage()), e);
} catch (InvocationTargetException e) {
LOG.logError(
Messages.getMessage("CRS_CONFIG_INSTANTIATION_ERROR", className, e.getMessage()), e);
} catch (Throwable t) {
LOG.logError(
Messages.getMessage("CRS_CONFIG_INSTANTIATION_ERROR", className, t.getMessage()), t);
} finally {
if (resolver == null) {
LOG.logInfo("The configured class: " + className + " was not instantiated.");
if (defaultResolver != null) {
LOG.logInfo(
"Trying to instantiate the default resolver: "
+ defaultResolver.getClass().getCanonicalName());
resolver = defaultResolver;
} else {
LOG.logWarning("No default crs resource supplied, hoping for the set method.");
}
}
}
}
}
public CoordinateSystem getCRSByID(String id) throws CRSConfigurationException {
if (resolver == null) {
throw new CRSConfigurationException("No resolver initialized, this may not be.");
}
CoordinateSystem result = null;
if (id != null && !"".equals(id.trim())) {
LOG.logDebug("Trying to load crs with id: " + id + " from cache.");
if (LOG.isDebug()) {
LOG.logDebug(cachedIdentifiables.keySet().toString());
}
if (cachedIdentifiables.containsKey(id)) {
Identifiable r = cachedIdentifiables.get(id);
LOG.logDebug("Found Identifiable: " + r.getIdAndName() + " from given id: " + id);
if (!(r instanceof CoordinateSystem)) {
LOG.logError(
"Found Identifiable: "
+ r.getIdAndName()
+ " but it is not a coordinate system, your db is inconsistend return null.");
r = null;
}
result = (CoordinateSystem) r;
}
if (result == null) {
LOG.logDebug("No crs with id: " + id + " found in cache.");
try {
result = parseCoordinateSystem(resolver.getURIAsType(id));
} catch (IOException e) {
LOG.logDebug(e.getLocalizedMessage(), e);
throw new CRSConfigurationException(e);
}
if (result != null) {
GeographicCRS t = null;
if (result.getType() == CoordinateSystem.COMPOUND_CRS) {
if (((CompoundCRS) result).getUnderlyingCRS().getType()
== CoordinateSystem.PROJECTED_CRS) {
t = ((ProjectedCRS) ((CompoundCRS) result).getUnderlyingCRS()).getGeographicCRS();
} else if (((CompoundCRS) result).getUnderlyingCRS().getType()
== CoordinateSystem.GEOGRAPHIC_CRS) {
t = (GeographicCRS) ((CompoundCRS) result).getUnderlyingCRS();
} else {
LOG.logWarning(
"Wgs84 Transformation lookup is currently only supported for GeographicCRS-chains.");
}
} else if (result.getType() == CoordinateSystem.PROJECTED_CRS) {
t = ((ProjectedCRS) result).getGeographicCRS();
} else if (result.getType() == CoordinateSystem.GEOGRAPHIC_CRS) {
t = (GeographicCRS) result;
} else {
LOG.logWarning(
"Wgs84 Transformation lookup is currently only supported for GeographicCRS-chains.");
}
if (t != null) {
Helmert wgs84 = t.getGeodeticDatum().getWGS84Conversion();
if (wgs84 == null) {
wgs84 = resolver.getWGS84Transformation(t);
}
if (wgs84 != null) {
if (wgs84.getSourceCRS() == null) {
wgs84.setSourceCRS(t);
addIdToCache(wgs84, true);
}
GeodeticDatum datum = result.getGeodeticDatum();
if (datum != null) {
datum.setToWGS84(wgs84);
// update the cache as well
addIdToCache(datum, true);
}
}
}
}
}
}
if (result == null) {
LOG.logDebug(
"The id: "
+ id
+ " could not be mapped to a valid deegree-crs, currently projectedCRS, geographicCRS, compoundCRS and geocentricCRS are supported.");
} else {
/** Adding the used underlying crs's to the cache. */
addIdToCache(result, false);
if (result.getType() == CoordinateSystem.COMPOUND_CRS) {
addIdToCache(((CompoundCRS) result).getUnderlyingCRS(), false);
if (((CompoundCRS) result).getUnderlyingCRS().getType() == CoordinateSystem.PROJECTED_CRS) {
addIdToCache(
((ProjectedCRS) ((CompoundCRS) result).getUnderlyingCRS()).getGeographicCRS(), false);
}
} else if (result.getType() == CoordinateSystem.PROJECTED_CRS) {
addIdToCache(((ProjectedCRS) result).getGeographicCRS(), false);
}
}
return result;
}
