svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.geometry / org.gvsig.fmap.geometry.operation / src / main / java / org / gvsig / fmap / geom / operation / towkb / ToWKB.java @ 40559
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1 | 40559 | jjdelcerro | /**
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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 | 40435 | jjdelcerro | package org.gvsig.fmap.geom.operation.towkb; |
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.operation.GeometryOperation; |
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29 | import org.gvsig.fmap.geom.operation.GeometryOperationContext; |
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30 | import org.gvsig.fmap.geom.util.Converter; |
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31 | |||
32 | import com.vividsolutions.jts.io.WKBWriter; |
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33 | |||
34 | public class ToWKB extends GeometryOperation { |
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35 | public static final String NAME = "toWKB"; |
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36 | public static final int CODE = GeometryLocator.getGeometryManager().getGeometryOperationCode(NAME); |
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37 | private static WKBWriter writer = null; |
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38 | private static int dimension = 2; |
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39 | |||
40 | public Object invoke(Geometry geom, GeometryOperationContext ctx) { |
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41 | int subType = geom.getGeometryType().getSubType();
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42 | boolean is3D = subType == 1 || subType == 3; |
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43 | |||
44 | if(writer == null) { |
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45 | if(is3D) {
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46 | dimension = 3;
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47 | writer = new WKBWriter(3); |
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48 | } else {
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49 | dimension = 2;
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50 | writer = new WKBWriter();
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51 | } |
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52 | } else {
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53 | if(is3D && dimension == 2) { |
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54 | dimension = 3;
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55 | writer = new WKBWriter(3); |
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56 | } |
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57 | if(!is3D && dimension == 3) { |
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58 | dimension = 2;
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59 | writer = new WKBWriter();
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60 | } |
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61 | } |
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62 | |||
63 | if (ctx == null) { |
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64 | return writer.write(Converter.geometryToJts(geom));
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65 | } |
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66 | return writer.write(Converter.geometryToJtsWithSRID(geom,
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67 | ((ToWKBOperationContext) ctx).getSrID())); |
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68 | } |
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69 | |||
70 | public int getOperationIndex() { |
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71 | return CODE;
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72 | } |
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73 | |||
74 | } |