/*
* Copyright 1998-2009 University Corporation for Atmospheric Research/Unidata
*
* Portions of this software were developed by the Unidata Program at the
* University Corporation for Atmospheric Research.
*
* Access and use of this software shall impose the following obligations
* and understandings on the user. The user is granted the right, without
* any fee or cost, to use, copy, modify, alter, enhance and distribute
* this software, and any derivative works thereof, and its supporting
* documentation for any purpose whatsoever, provided that this entire
* notice appears in all copies of the software, derivative works and
* supporting documentation. Further, UCAR requests that the user credit
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* software or in any product that includes this software. The names UCAR
* and/or Unidata, however, may not be used in any advertising or publicity
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*
* THIS SOFTWARE IS PROVIDED BY UCAR/UNIDATA "AS IS" AND ANY EXPRESS OR
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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*/
package ucar.nc2.ft.radial;
import ucar.nc2.ft.FeatureDatasetFactory;
import ucar.nc2.ft.FeatureDataset;
import ucar.nc2.constants.FeatureType;
import ucar.nc2.dataset.NetcdfDataset;
import ucar.nc2.util.CancelTask;
import ucar.nc2.dt.TypedDatasetFactoryIF;
import ucar.nc2.dt.TypedDataset;
import java.util.Formatter;
import java.util.List;
import java.util.ArrayList;
import java.io.IOException;
/**
* Adapt existing Radial Datasets implementing TypedDatasetFactoryIF, for FeatureDatasetFactory.
*
* @author caron
* @since Feb 17, 2009
*/
public class RadialDatasetStandardFactory implements FeatureDatasetFactory {
private static List<TypedDatasetFactoryIF> factories = new ArrayList<TypedDatasetFactoryIF>(10);
static {
registerFactory(ucar.nc2.dt.radial.Netcdf2Dataset.class);
registerFactory(ucar.nc2.dt.radial.Dorade2Dataset.class);
registerFactory(ucar.nc2.dt.radial.LevelII2Dataset.class);
registerFactory(ucar.nc2.dt.radial.Nids2Dataset.class);
registerFactory(ucar.nc2.dt.radial.UF2Dataset.class);
registerFactory(ucar.nc2.dt.radial.CFnetCDF2Dataset.class);
}
static void registerFactory(Class c) {
if (!(TypedDatasetFactoryIF.class.isAssignableFrom(c)))
throw new IllegalArgumentException("Class " + c.getName() + " must implement TypedDatasetFactoryIF");
// fail fast - get Instance
Object instance;
try {
instance = c.newInstance();
} catch (InstantiationException e) {
throw new IllegalArgumentException("FeatureDatasetFactoryManager Class " + c.getName() + " cannot instantiate, probably need default Constructor");
} catch (IllegalAccessException e) {
throw new IllegalArgumentException("FeatureDatasetFactoryManager Class " + c.getName() + " is not accessible");
}
factories.add((TypedDatasetFactoryIF) instance);
}
public Object isMine(FeatureType wantFeatureType, NetcdfDataset ds, Formatter errlog) throws IOException {
if ((wantFeatureType != FeatureType.RADIAL) && (wantFeatureType != FeatureType.NONE) && (wantFeatureType != FeatureType.ANY))
return null;
for (TypedDatasetFactoryIF fac : factories) {
if (fac.isMine(ds))
return fac;
}
return null;
/* boolean hasAzimuth = false;
boolean hasDistance = false;
boolean hasElev = false;
for (CoordinateAxis axis : ds.getCoordinateAxes()) {
if (axis.getAxisType() == AxisType.RadialAzimuth)
hasAzimuth = true;
if (axis.getAxisType() == AxisType.RadialDistance)
hasDistance = true;
if (axis.getAxisType() == AxisType.RadialElevation)
hasElev = true;
}
// minimum we need
if (!(hasAzimuth && hasDistance && hasElev)) {
errlog.format("RadialDataset must have azimuth,elevation,distance coordinates");
return null;
}
// ok
return new Object(); */
}
public FeatureDataset open(FeatureType ftype, NetcdfDataset ncd, Object analysis, CancelTask task, Formatter errlog) throws IOException {
TypedDatasetFactoryIF fac = (TypedDatasetFactoryIF) analysis;
StringBuilder sbuff = new StringBuilder();
TypedDataset result = fac.open(ncd, task, sbuff);
errlog.format("%s", sbuff);
return (FeatureDataset) result;
}
public FeatureType[] getFeatureType() {
return new FeatureType[]{FeatureType.RADIAL};
}
}