svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.geometry / org.gvsig.fmap.geometry.impl / src / main / java / org / gvsig / fmap / geom / impl / coerce / CoerceToByteArray.java @ 40435
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1 | 40435 | jjdelcerro | /* gvSIG. Geographic Information System of the Valencian Government
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2 | *
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3 | * Copyright (C) 2007-2008 Infrastructures and Transports Department
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4 | * of the Valencian Government (CIT)
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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 2
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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 | */
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22 | package org.gvsig.fmap.geom.impl.coerce; |
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23 | |||
24 | import org.gvsig.fmap.geom.Geometry; |
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25 | import org.gvsig.tools.dataTypes.CoercionException; |
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26 | import org.gvsig.tools.dataTypes.DataTypesManager.Coercion; |
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27 | |||
28 | /**
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29 | * Convert a Geometry to Byte Array encoded as WKB.
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30 | *
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31 | * @author gvSIG Team
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32 | * @version $Id$
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33 | *
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34 | */
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35 | public class CoerceToByteArray implements Coercion { |
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36 | |||
37 | Coercion previous = null;
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38 | |||
39 | public CoerceToByteArray() {
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40 | // Do nothing
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41 | } |
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42 | |||
43 | public CoerceToByteArray(Coercion previous) {
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44 | this.previous = previous;
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45 | } |
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46 | |||
47 | |||
48 | public Object coerce(Object value) throws CoercionException { |
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49 | try {
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50 | if( value == null || value instanceof byte[] ) { |
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51 | return value;
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52 | } |
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53 | if( value instanceof Geometry ) { |
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54 | return ((Geometry)value).convertToWKT();
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55 | } |
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56 | if( previous != null ) { |
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57 | return previous.coerce(value);
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58 | } |
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59 | } catch (Exception e) { |
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60 | throw new CoercionException(e); |
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61 | } |
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62 | throw new CoercionException(); |
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63 | } |
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64 | |||
65 | } |