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 / STGeomFromWKBFunction.java @ 44644
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| 1 | 43512 | jjdelcerro | package org.gvsig.expressionevaluator.impl.function.spatial; |
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| 2 | |||
| 3 | import org.apache.commons.lang3.Range; |
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| 4 | 44006 | jjdelcerro | import org.cresques.cts.IProjection; |
| 5 | 43521 | jjdelcerro | import org.gvsig.expressionevaluator.Interpreter; |
| 6 | 44644 | jjdelcerro | import org.gvsig.expressionevaluator.spi.AbstractGeometryFunction; |
| 7 | 44006 | jjdelcerro | import org.gvsig.fmap.crs.CRSFactory; |
| 8 | 43518 | jjdelcerro | import org.gvsig.fmap.geom.Geometry; |
| 9 | import org.gvsig.fmap.geom.GeometryLocator; |
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| 10 | import org.gvsig.fmap.geom.GeometryManager; |
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| 11 | 43512 | jjdelcerro | |
| 12 | 44644 | jjdelcerro | public class STGeomFromWKBFunction extends AbstractGeometryFunction { |
| 13 | 43512 | jjdelcerro | |
| 14 | 44006 | jjdelcerro | public STGeomFromWKBFunction() {
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| 15 | super("OGC", "ST_GeomFromWKB", Range.between(1,2)); |
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| 16 | 43512 | jjdelcerro | } |
| 17 | |||
| 18 | @Override
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| 19 | 44009 | jjdelcerro | public boolean allowConstantFolding() { |
| 20 | return true; |
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| 21 | } |
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| 22 | |||
| 23 | @Override
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| 24 | 43521 | jjdelcerro | public Object call(Interpreter interpreter, Object[] args) throws Exception { |
| 25 | 43518 | jjdelcerro | GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
| 26 | 44006 | jjdelcerro | byte[] wkb = (byte[]) getObject(args, 0); |
| 27 | Geometry r = geomManager.createFrom(wkb); |
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| 28 | if( args.length==2 ) { |
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| 29 | int code = getInt(args, 1); |
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| 30 | IProjection proj = CRSFactory.getCRS("EPSG:"+code);
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| 31 | r.setProjection(proj); |
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| 32 | } |
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| 33 | 43512 | jjdelcerro | return r;
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| 34 | } |
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| 35 | |||
| 36 | } |