Package com.mysema.query.sql.spatial

Source Code of com.mysema.query.sql.spatial.PGgeometryType

/*
* Copyright 2014, Mysema Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.mysema.query.sql.spatial;

import javax.annotation.Nullable;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;

import com.mysema.query.sql.types.AbstractType;
import org.geolatte.geom.Geometry;
import org.geolatte.geom.codec.Wkt;
import org.postgis.PGgeometry;

/**
* @author tiwe
*
*/
public class PGgeometryType extends AbstractType<Geometry> {

    public static final PGgeometryType DEFAULT = new PGgeometryType();

    public PGgeometryType() {
        super(Types.STRUCT);
    }

    @Override
    public Class<Geometry> getReturnedClass() {
        return Geometry.class;
    }

    @Override
    @Nullable
    public Geometry getValue(ResultSet rs, int startIndex) throws SQLException {
        Object obj = rs.getObject(startIndex);
        return obj != null ? PGgeometryConverter.convert(((PGgeometry) obj).getGeometry()) : null;
    }

    @Override
    public void setValue(PreparedStatement st, int startIndex, Geometry value) throws SQLException {
        PGgeometry geometry = new PGgeometry(PGgeometryConverter.convert(value));
        st.setObject(startIndex, geometry);
    }

    @Override
    public String getLiteral(Geometry geometry) {
        String str = Wkt.newEncoder(Wkt.Dialect.POSTGIS_EWKT_1).encode(geometry);
        return "'" + str + "'";
    }

}
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