svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.geometry / org.gvsig.fmap.geometry.jts / src / main / java / org / gvsig / fmap / geom / jts / operation / fromjts / FromJTS.java @ 44099
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2013 gvSIG Association.
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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 3
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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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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.fmap.geom.jts.operation.fromjts; |
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import org.cresques.cts.IProjection; |
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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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import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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import org.gvsig.fmap.geom.jts.util.JTSUtils; |
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import org.gvsig.fmap.geom.operation.GeometryOperation; |
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import org.gvsig.fmap.geom.operation.GeometryOperationContext; |
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import org.gvsig.fmap.geom.operation.GeometryOperationException; |
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/**
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* <p>
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* Converts a geometry from JTS to DAL format. This is a special geometry
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* operation
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* because don't use the Geometry parameter and returns a JTS geometry. This
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* kind
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* of operation can be called from the {@link GeometryManager} using
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* invokeOperation.
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* </p>
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* <p>
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* This operation needs a JTS geometry loaded in the context. The only attribute
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* of the {@link GeometryOperation} have to be a geometry of this type and the
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* ID
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* of this attribute will be JTSGeometry.
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* </p>
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*
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*
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*/
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public class FromJTS extends GeometryOperation { |
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public static final String NAME = "fromJTS"; |
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public static final String PARAM = "JTSGeometry"; |
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public static final String PARAM_PROJ = "Projection"; |
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protected static GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
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public static final int CODE = geomManager.getGeometryOperationCode(NAME); |
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protected final static com.vividsolutions.jts.geom.GeometryFactory geomFactory = new com.vividsolutions.jts.geom.GeometryFactory(); |
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public int getOperationIndex() { |
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return CODE;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.operation.GeometryOperation#invoke(org.gvsig.fmap.geom.Geometry, org.gvsig.fmap.geom.operation.GeometryOperationContext)
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*/
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public Object invoke(Geometry geom, GeometryOperationContext ctx) |
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throws GeometryOperationException {
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Object obj = ctx.getAttribute(PARAM);
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IProjection proj = (IProjection) ctx.getAttribute(PARAM_PROJ); |
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if ( obj instanceof com.vividsolutions.jts.geom.Geometry ) { |
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return JTSUtils.createGeometry(proj, (com.vividsolutions.jts.geom.Geometry) obj);
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} |
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return null; |
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} |
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} |