/** We must be able to transform specialized collections to GeometryCollectionValues */
@Test
public void testGeometryCollectionConversions() throws Exception {
Value val =
ValueFactory.createValue(
gf.createMultiPoint(
new Coordinate[] {new Coordinate(0, 0, 0), new Coordinate(1, 2, 3)}));
assertTrue(val instanceof DefaultMultiPointValue);
Value val2 = val.toType(Type.GEOMETRYCOLLECTION);
assertTrue(val2 instanceof DefaultGeometryCollectionValue);
// Let's be sure it's not a GeometryCollection just thanks to the inheritance
assertFalse(val2 instanceof DefaultMultiPointValue);
val =
ValueFactory.createValue(
gf.createMultiLineString(
new LineString[] {
gf.createLineString(
new Coordinate[] {new Coordinate(0, 0, 0), new Coordinate(4, 2, 3)}),
gf.createLineString(
new Coordinate[] {new Coordinate(5, 6, 9), new Coordinate(5, 7, 1)})
}));
assertTrue(val instanceof DefaultMultiLineStringValue);
val2 = val.toType(Type.GEOMETRYCOLLECTION);
assertTrue(val2 instanceof DefaultGeometryCollectionValue);
// Let's be sure it's not a GeometryCollection just thanks to the inheritance
assertFalse(val2 instanceof DefaultMultiPointValue);
val =
ValueFactory.createValue(
gf.createMultiPolygon(
new Polygon[] {
gf.createPolygon(
gf.createLinearRing(
new Coordinate[] {
new Coordinate(0, 3, 0),
new Coordinate(9, 0, 0),
new Coordinate(8, 7, 0),
new Coordinate(0, 3, 0)
}),
null),
gf.createPolygon(
gf.createLinearRing(
new Coordinate[] {
new Coordinate(10, 3, 0),
new Coordinate(9, 0, 0),
new Coordinate(8, 7, 0),
new Coordinate(10, 3, 0)
}),
null)
}));
assertTrue(val instanceof DefaultMultiPolygonValue);
val2 = val.toType(Type.GEOMETRYCOLLECTION);
assertTrue(val2 instanceof DefaultGeometryCollectionValue);
// Let's be sure it's not a GeometryCollection just thanks to the inheritance
assertFalse(val2 instanceof DefaultMultiPointValue);
}
@Test
public void testGeometryConversions() throws Exception {
// Let's test with a PointValue
Value pt = ValueFactory.createValue(gf.createPoint(new Coordinate(0, 0, 0)));
assertTrue(pt instanceof DefaultPointValue);
Value mpt = pt.toType(Type.MULTIPOINT);
assertTrue(mpt instanceof DefaultMultiPointValue);
Value gpt = pt.toType(Type.GEOMETRY);
assertTrue(gpt instanceof DefaultPointValue);
Value gcpt = pt.toType(Type.GEOMETRYCOLLECTION);
assertTrue(gcpt instanceof DefaultGeometryCollectionValue);
assertFalse(gcpt instanceof DefaultMultiPointValue);
// We shall not be able to cast to a Line or a Polygon.
try {
gcpt = pt.toType(Type.POLYGON);
fail();
} catch (IncompatibleTypesException i) {
}
try {
gcpt = pt.toType(Type.LINESTRING);
fail();
} catch (IncompatibleTypesException i) {
}
// LineString time!!!
pt =
ValueFactory.createValue(
gf.createLineString(
new Coordinate[] {new Coordinate(0, 0, 0), new Coordinate(0, 1, 0)}));
assertTrue(pt instanceof DefaultLineStringValue);
mpt = pt.toType(Type.MULTILINESTRING);
assertTrue(mpt instanceof DefaultMultiLineStringValue);
gpt = pt.toType(Type.GEOMETRY);
assertTrue(gpt instanceof DefaultLineStringValue);
gcpt = pt.toType(Type.GEOMETRYCOLLECTION);
assertTrue(gcpt instanceof DefaultGeometryCollectionValue);
assertFalse(gcpt instanceof DefaultMultiPointValue);
// We shall not be able to cast to a Line or a Polygon.
try {
gcpt = pt.toType(Type.POLYGON);
fail();
} catch (IncompatibleTypesException i) {
}
try {
gcpt = pt.toType(Type.POINT);
fail();
} catch (IncompatibleTypesException i) {
}
// Let's test with a PolygonValue
pt =
ValueFactory.createValue(
gf.createPolygon(
gf.createLinearRing(
new Coordinate[] {
new Coordinate(0, 0, 0),
new Coordinate(0, 1, 0),
new Coordinate(1, 1, 0),
new Coordinate(0, 0, 0)
}),
null));
assertTrue(pt instanceof DefaultPolygonValue);
mpt = pt.toType(Type.MULTIPOLYGON);
assertTrue(mpt instanceof DefaultMultiPolygonValue);
gpt = pt.toType(Type.GEOMETRY);
assertTrue(gpt instanceof DefaultPolygonValue);
gcpt = pt.toType(Type.GEOMETRYCOLLECTION);
assertTrue(gcpt instanceof DefaultGeometryCollectionValue);
assertFalse(gcpt instanceof DefaultMultiPolygonValue);
// We shall not be able to cast to a Line or a Polygon.
try {
gcpt = pt.toType(Type.POINT);
fail();
} catch (IncompatibleTypesException i) {
}
try {
gcpt = pt.toType(Type.LINESTRING);
fail();
} catch (IncompatibleTypesException i) {
}
}