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/*
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/*
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 * $Id: LineStringDecoder.java 155 2010-01-13 21:00:35Z maesenka $
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 * $Id: LineStringDecoder.java 156 2010-01-28 22:59:30Z maesenka $
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 *
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 *
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 * This file is part of Hibernate Spatial, an extension to the
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 * This file is part of Hibernate Spatial, an extension to the
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 * hibernate ORM solution for geographic data.
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 * hibernate ORM solution for geographic data.
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 *
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 *
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 * Copyright © 2009 Geovise BVBA
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 * Copyright © 2009 Geovise BVBA
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import com.vividsolutions.jts.geom.LineString;
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import com.vividsolutions.jts.geom.LineString;
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import org.hibernatespatial.mgeom.MCoordinate;
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import org.hibernatespatial.mgeom.MCoordinate;
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class LineStringDecoder extends AbstractDecoder<LineString> {
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class LineStringDecoder extends AbstractDecoder<LineString> {
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    @Override
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    public boolean accepts(SqlGeometryV1 nativeGeom) {
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    protected OpenGisType getOpenGisType() {
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        return nativeGeom.openGisType() == OpenGisType.LINESTRING;
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        return OpenGisType.LINESTRING;
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    }
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    }
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    protected LineString createNullGeometry() {
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    protected LineString createNullGeometry() {
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        return getGeometryFactory().createLineString((CoordinateSequence) null);
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        return getGeometryFactory().createLineString((CoordinateSequence) null);
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    }
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    }
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    protected LineString createGeometry(SqlGeometryV1 nativeGeom) {
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    protected LineString createGeometry(SqlGeometryV1 nativeGeom) {
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        return createLineString(nativeGeom, 0, nativeGeom.getNumPoints());
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        return createLineString(nativeGeom, 0, nativeGeom.getNumPoints());
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    }
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    }
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    @Override
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    protected LineString createGeometry(SqlGeometryV1 nativeGeom, int shapeIndex) {
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        int figureOffset = nativeGeom.getStartFigureForShape(shapeIndex);
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        //linestring shapes have exactly one figure
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        int startOffset = nativeGeom.getStartPointForFigure(figureOffset);
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        int endOffset = nativeGeom.getEndPointForFigure(figureOffset);
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        return createLineString(nativeGeom, startOffset, endOffset);
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    }
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    protected LineString createLineString(SqlGeometryV1 nativeGeom, int offset, int nextOffset) {
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    protected LineString createLineString(SqlGeometryV1 nativeGeom, int offset, int nextOffset) {
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        Coordinate[] coords = createCoordinateArray(nextOffset - offset, nativeGeom);
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        Coordinate[] coordinates = nativeGeom.coordinateRange(offset, nextOffset);
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        for (int idx = offset, i = 0; idx < nextOffset; idx++, i++) {
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            coords[i] = nativeGeom.getCoordinate(idx);
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        }
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        return createLineString(coords, nativeGeom);
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        return createLineString(coordinates, nativeGeom);
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    }
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    }
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    private LineString createLineString(Coordinate[] coords, SqlGeometryV1 nativeGeom) {
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    private LineString createLineString(Coordinate[] coords, SqlGeometryV1 nativeGeom) {
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        if (nativeGeom.hasMValues()) {
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        if (nativeGeom.hasMValues()) {
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            return getGeometryFactory().createMLineString((MCoordinate[]) coords);
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            return getGeometryFactory().createMLineString((MCoordinate[]) coords);
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            return getGeometryFactory().createLineString(coords);
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            return getGeometryFactory().createLineString(coords);
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        }
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        }
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    }
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    }
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    private Coordinate[] createCoordinateArray(int size, SqlGeometryV1 nativeGeom) {
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        if (nativeGeom.hasMValues()) {
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            return new MCoordinate[size];
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        } else {
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            return new Coordinate[size];
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        }
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    }
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}
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}