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This geoLatte-geom library offers a geometry model that conforms to the OGC Simple Features for SQL specification.

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/*
 * This file is part of the GeoLatte project.
 *
 *     GeoLatte is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU Lesser General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     GeoLatte is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU Lesser General Public License for more details.
 *
 *     You should have received a copy of the GNU Lesser General Public License
 *     along with GeoLatte.  If not, see .
 *
 * Copyright (C) 2010 - 2011 and Ownership of code is shared by:
 * Qmino bvba - Romeinsestraat 18 - 3001 Heverlee  (http://www.qmino.com)
 * Geovise bvba - Generaal Eisenhowerlei 9 - 2140 Antwerpen (http://www.geovise.com)
 */

package org.geolatte.geom.codec;

import org.geolatte.geom.Geometry;

/**
 * Punctuation and keywords for HANA EWKT/WKT representations.
 *
 * @author Jonathan Bregler, SAP
 */
class HANAWktDialect extends PostgisWktDialect {

    final static HANAWktDialect INSTANCE = new HANAWktDialect();

    @Override
    void addGeometryZMMarker(StringBuilder buffer, Geometry geometry) {
        if (geometry.hasZ()) {
            buffer.append(" Z");
            if (geometry.hasM()) {
                buffer.append('M');
            }
        } else if (geometry.hasM()) {
            buffer.append(" M");
        }
    }

    @Override
    public void addSrid(StringBuilder builder, int srid) {
        if (srid < 0) srid = 0;
        builder.append("SRID=")
                .append(srid)
                .append(";");
    }
}