import org.esa.snap.core.dataio.ProductIO;
import org.esa.snap.core.datamodel.Product;
import org.esa.snap.core.util.ProductUtils;

import java.awt.geom.Area;
import java.awt.geom.GeneralPath;

 class Main {
    public static void main(String[] args) throws Exception {
        Product product1 = ProductIO.readProduct(args[0]);
        Product product2 = ProductIO.readProduct(args[1]);
        Area p1Area = getArea(product1);
        Area p2Area = getArea(product2);
        
        Area intersectionArea = new Area(p1Area);
        intersectionArea.intersect(p2Area);
        if(intersectionArea.isEmpty()) {
            System.out.println("Products do not overlap");
        } else {
            System.out.println("Products do overlap");
        }

    }

    private static Area getArea(Product product1) {
        Area p1Area = new Area();
        for (GeneralPath generalPath : ProductUtils.createGeoBoundaryPaths(product1)) {
            Area area = new Area(generalPath);
            p1Area.add(area);
        }
        return p1Area;
    }
}