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 / coerce / CoerceToGeometry.java @ 44433
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1 | 42260 | fdiaz | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | *
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4 | * Copyright (C) 2007-2013 gvSIG Association.
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5 | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | * as published by the Free Software Foundation; either version 3
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9 | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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21 | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | */
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24 | package org.gvsig.fmap.geom.jts.coerce; |
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25 | |||
26 | import org.gvsig.fmap.geom.Geometry; |
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27 | import org.gvsig.fmap.geom.GeometryLocator; |
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28 | import org.gvsig.fmap.geom.GeometryManager; |
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29 | import org.gvsig.tools.dataTypes.CoercionException; |
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30 | import org.gvsig.tools.dataTypes.DataTypesManager.Coercion; |
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31 | |||
32 | /**
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33 | * Convert a object to Geometry.
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34 | 44432 | jjdelcerro | *
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35 | * Support convert: - Geometry to Geometry (do nothing) - WKB (byte[]) to
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36 | * Geometry - WKT (String/toString) to Geometry
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37 | *
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38 | *
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39 | 42260 | fdiaz | * @author gvSIG Team
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40 | * @version $Id$
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41 | 44432 | jjdelcerro | *
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42 | 42260 | fdiaz | */
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43 | 44432 | jjdelcerro | @SuppressWarnings("UseSpecificCatch") |
44 | 42260 | fdiaz | public class CoerceToGeometry implements Coercion { |
45 | |||
46 | 44432 | jjdelcerro | public Object coerce(Object value) throws CoercionException { |
47 | try {
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48 | if (value == null || value instanceof Geometry) { |
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49 | return value;
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50 | } |
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51 | Geometry geom; |
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52 | GeometryManager manager = GeometryLocator.getGeometryManager(); |
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53 | if (value instanceof byte[]) { |
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54 | geom = manager.createFrom((byte[]) value); |
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55 | } else {
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56 | 44433 | jjdelcerro | // Si no puede pasear el WKT devuelbe null y no lanza una
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57 | // excepcion.
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58 | 44432 | jjdelcerro | geom = manager.createFrom(value.toString()); |
59 | } |
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60 | if (geom == null) { |
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61 | throw new CoercionException(); |
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62 | } |
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63 | return geom;
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64 | } catch (Exception e) { |
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65 | throw new CoercionException(e); |
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66 | } |
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67 | 42260 | fdiaz | |
68 | 44432 | jjdelcerro | } |
69 | 42260 | fdiaz | |
70 | } |