Examples with DirectPositionListType net.opengis.gml.v_3_1_1.DirectPositionListType used on opensource projects

Example 6 with DirectPositionListType

use of net.opengis.gml.v_3_1_1.DirectPositionListType in project arctic-sea by 52North.

the class GmlDecoderv321 method parseLineStringType.

private Geometry parseLineStringType(LineStringType xbLineStringType) throws DecodingException {
    int srid = -1;
    if (xbLineStringType.getSrsName() != null) {
        srid = CRSHelper.parseSrsName(xbLineStringType.getSrsName());
    }
    DirectPositionType[] xbPositions = xbLineStringType.getPosArray();
    String geomWKT;
    if (xbPositions != null && xbPositions.length > 0) {
        if (srid == -1 && xbPositions[0].getSrsName() != null && !(xbPositions[0].getSrsName().isEmpty())) {
            srid = CRSHelper.parseSrsName(xbPositions[0].getSrsName());
        }
        geomWKT = "LINESTRING" + getString4PosArray(xbLineStringType.getPosArray(), false) + "";
    } else if (xbLineStringType.getPosList() != null) {
        StringBuilder builder = new StringBuilder();
        builder.append("LINESTRING(");
        DirectPositionListType posList = xbLineStringType.getPosList();
        int dim;
        if (posList.getSrsDimension() == null) {
            dim = 2;
        } else {
            dim = posList.getSrsDimension().intValue();
        }
        if (posList.getListValue().size() % dim != 0) {
            throw new DecodingException("posList does not contain a multiple of %d coordinates", dim);
        }
        @SuppressWarnings("unchecked") Iterator<Double> iterator = posList.getListValue().iterator();
        if (iterator.hasNext()) {
            builder.append(iterator.next());
            for (int i = 1; i < dim; ++i) {
                builder.append(' ').append(iterator.next());
            }
            while (iterator.hasNext()) {
                builder.append(", ");
                builder.append(iterator.next());
                for (int i = 1; i < dim; ++i) {
                    builder.append(' ').append(iterator.next());
                }
            }
        }
        builder.append(")");
        geomWKT = builder.toString();
    } else {
        geomWKT = null;
    }
    srid = setDefaultForUnsetSrid(srid);
    if (geomWKT != null) {
        try {
            return JTSHelper.createGeometryFromWKT(geomWKT, srid);
        } catch (ParseException ex) {
            throw new DecodingException(ex);
        }
    } else {
        return JTSHelper.getGeometryFactoryForSRID(srid).createGeometryCollection(null);
    }
}