Statistics
| Revision:

svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.expressionevaluator / org.gvsig.expressionevaluator.geometry / org.gvsig.expressionevaluator.geometry.lib / org.gvsig.expressionevaluator.geometry.lib.impl / src / main / java / org / gvsig / expressionevaluator / impl / function / spatial / STSRIDFunction.java @ 44644

History | View | Annotate | Download (839 Bytes)

1
package org.gvsig.expressionevaluator.impl.function.spatial;
2

    
3
import org.apache.commons.lang3.Range;
4
import org.cresques.cts.IProjection;
5
import org.gvsig.expressionevaluator.Interpreter;
6
import org.gvsig.expressionevaluator.impl.ProjectionUtils;
7
import org.gvsig.expressionevaluator.spi.AbstractGeometryFunction;
8
import org.gvsig.fmap.geom.Geometry;
9

    
10
public class STSRIDFunction extends AbstractGeometryFunction {
11

    
12
    public STSRIDFunction() {
13
        super("OGC", "ST_SRID", Range.is(1));
14
    }
15
    
16
    @Override
17
    public boolean allowConstantFolding() {
18
        return true;
19
    }
20
    
21
    @Override
22
    public Object call(Interpreter interpreter, Object[] args) throws Exception {
23
        Geometry geom = getGeom(args, 0);
24
        IProjection proj = geom.getProjection();
25
        return ProjectionUtils.getCode(proj);
26
    }
27
    
28
}