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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package org.gvsig.expressionevaluator.impl.function.spatial; |
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import org.apache.commons.lang3.Range; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.expressionevaluator.Interpreter; |
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import org.gvsig.expressionevaluator.spi.AbstractGeometryFunction; |
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import org.gvsig.fmap.crs.CRSFactory; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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public class STGeomFromWKBFunction extends AbstractGeometryFunction { |
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public STGeomFromWKBFunction() {
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super("OGC", "ST_GeomFromWKB", Range.between(1,2)); |
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} |
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@Override
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public boolean allowConstantFolding() { |
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return true; |
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} |
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@Override
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public Object call(Interpreter interpreter, Object[] args) throws Exception { |
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GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
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byte[] wkb = (byte[]) getObject(args, 0); |
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Geometry r = geomManager.createFrom(wkb); |
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if( args.length==2 ) { |
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int code = getInt(args, 1); |
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IProjection proj = CRSFactory.getCRS("EPSG:"+code);
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r.setProjection(proj); |
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} |
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return r;
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} |
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} |