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package ucar.nc2.ft;

import ucar.nc2.constants.FeatureType;
import ucar.nc2.dataset.NetcdfDataset;
import ucar.nc2.ft2.simpgeometry.SimpleGeometryFeatureDataset;
import ucar.nc2.ft2.simpgeometry.adapter.SimpleGeometryCSBuilder;
import ucar.nc2.util.CancelTask;
import java.io.IOException;
import java.util.Formatter;

/**
 * Standard factory for Simple Geometry datatypes. Forked from GridDatasetStandardFactory.java
 * 
 * @author [email protected]
 * @since 8/22/2018
 */
public class SimpleGeometryStandardFactory implements FeatureDatasetFactory {

  public Object isMine(FeatureType wantFeatureType, NetcdfDataset ncd, Formatter errlog) {
    SimpleGeometryCSBuilder sgCoverage = SimpleGeometryCSBuilder.classify(ncd, errlog);
    if (sgCoverage == null || sgCoverage.getFeatureType() == null)
      return null;
    if (!match(wantFeatureType, sgCoverage.getFeatureType()))
      return null;
    return sgCoverage;
  }

  private boolean match(FeatureType wantFeatureType, FeatureType covType) {
    if (wantFeatureType == null || wantFeatureType == FeatureType.ANY)
      return true;
    return true;
  }

  public FeatureDataset open(FeatureType ftype, NetcdfDataset ncd, Object analysis, CancelTask task, Formatter errlog)
      throws IOException {

    return new SimpleGeometryFeatureDataset(ncd);
  }

  public FeatureType[] getFeatureTypes() {
    return new FeatureType[] {FeatureType.SIMPLE_GEOMETRY};
  }
}