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/* gvSIG. Geographic Information System of the Valencian Government |
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* |
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* Copyright (C) 2007-2008 Infrastructures and Transports Department |
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* of the Valencian Government (CIT) |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
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* MA 02110-1301, USA. |
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* |
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*/ |
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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/* |
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* AUTHORS (In addition to CIT): |
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* 2008 IVER T.I. S.A. {{Task}}
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*/ |
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* AUTHORS (In addition to CIT):
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* 2008 IVER T.I. S.A. {{Task}}
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*/
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package org.gvsig.fmap.data.vectorial.expressionevaluator.functions; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.operation.GeometryOperationException; |
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import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
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import org.gvsig.fmap.geom.operation.fromwkb.FromWKB; |
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import org.gvsig.fmap.geom.operation.fromwkt.FromWKT; |
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import org.gvsig.fmap.geom.operation.fromwkt.FromWKTGeometryOperationContext; |
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import org.gvsig.fmap.geom.primitive.NullGeometry; |
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import org.medfoster.sqljep.ParseException; |
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import org.medfoster.sqljep.function.PostfixCommand; |
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public class GeomFromText extends PostfixCommand {
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public class GeomFromText extends PostfixCommand {
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private static Geometry nullGeometry = new NullGeometry(); |
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public static final String NAME = "GeomFromText"; |
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final public int getNumberOfParameters() {
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return 2; |
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} |
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/* (non-Javadoc) |
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* @see org.medfoster.sqljep.function.PostfixCommand#evaluate(org.medfoster.sqljep.ASTFunNode, org.medfoster.sqljep.JepRuntime) |
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/* |
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* (non-Javadoc) |
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* |
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* @see org.medfoster.sqljep.function.PostfixCommand#evaluate(org.medfoster.sqljep.ASTFunNode, |
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* org.medfoster.sqljep.JepRuntime) |
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*/ |
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public void evaluate(ASTFunNode node, JepRuntime runtime) |
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throws ParseException {
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node.childrenAccept(runtime.ev, null); |
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String text = (String)runtime.stack.pop(); |
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String srs = (String)runtime.stack.pop(); |
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runtime.stack.push(geometryFromText(text,srs)); |
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String text = (String) runtime.stack.pop();
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String srs = (String) runtime.stack.pop();
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runtime.stack.push(geometryFromText(text, srs));
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} |
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private static Object geometryFromText(String text,String srs) throws ParseException {
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private static Object geometryFromText(String text, String srs) |
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throws ParseException {
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try {
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return nullGeometry.invokeOperation(FromWKT.CODE, new FromWKTGeometryOperationContext(text,srs)); |
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return nullGeometry.invokeOperation(FromWKT.CODE, |
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new FromWKTGeometryOperationContext(text, srs)); |
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} catch (GeometryOperationNotSupportedException e) {
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throw new ParseException(NAME,e); |
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throw new ParseException(NAME, e);
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} catch (GeometryOperationException e) {
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throw new ParseException(NAME,e); |
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throw new ParseException(NAME, e);
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} |
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} |
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