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 / type / persistence / GeometryTypePersistenceFactory.java @ 40559
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1 | 40559 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | 40435 | jjdelcerro | *
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4 | 40559 | jjdelcerro | * Copyright (C) 2007-2013 gvSIG Association.
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5 | 40435 | jjdelcerro | *
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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 | 40559 | jjdelcerro | * as published by the Free Software Foundation; either version 3
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9 | 40435 | jjdelcerro | * 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 | 40559 | jjdelcerro | * 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 | 40435 | jjdelcerro | */
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24 | package org.gvsig.fmap.geom.type.persistence; |
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25 | |||
26 | import org.gvsig.fmap.geom.GeometryException; |
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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.fmap.geom.type.GeometryType; |
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30 | import org.gvsig.fmap.geom.type.GeometryTypeNotSupportedException; |
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31 | import org.gvsig.tools.dynobject.DynStruct; |
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32 | import org.gvsig.tools.persistence.AbstractSinglePersistenceFactory; |
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33 | import org.gvsig.tools.persistence.PersistentState; |
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34 | import org.gvsig.tools.persistence.exception.PersistenceException; |
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35 | |||
36 | /**
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37 | * Factory to persist {@link GeometryType} objects.
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38 | *
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39 | * @author gvSIG Team
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40 | * @version $Id$
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41 | */
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42 | public class GeometryTypePersistenceFactory extends |
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43 | AbstractSinglePersistenceFactory { |
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44 | |||
45 | private static final GeometryManager geometryManager = GeometryLocator |
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46 | .getGeometryManager(); |
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47 | |||
48 | private static final String DYNCLASS_NAME = "GeometryType"; |
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49 | private static final String DYNCLASS_DESCRIPTION = "gvSIG Geometry type"; |
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50 | |||
51 | private static final String FIELD_TYPE = "type"; |
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52 | private static final String FIELD_SUBTYPE = "subtype"; |
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53 | |||
54 | /**
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55 | * Creates a new {@link GeometryTypePersistenceFactory}. It will persist
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56 | * the geometry type and subtype values, and use it to load
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57 | * {@link GeometryType}s from persistence by calling
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58 | * {@link GeometryManager#getGeometryType(int, int)}.
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59 | */
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60 | public GeometryTypePersistenceFactory() {
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61 | super(GeometryType.class, DYNCLASS_NAME, DYNCLASS_DESCRIPTION, null, |
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62 | null);
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63 | |||
64 | DynStruct definition = this.getDefinition();
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65 | definition.addDynFieldInt(FIELD_TYPE).setMandatory(true);
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66 | definition.addDynFieldInt(FIELD_SUBTYPE).setMandatory(true);
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67 | } |
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68 | |||
69 | public Object createFromState(PersistentState state) |
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70 | throws PersistenceException {
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71 | int type = state.getInt(FIELD_TYPE);
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72 | int subType = state.getInt(FIELD_SUBTYPE);
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73 | |||
74 | try {
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75 | return geometryManager.getGeometryType(type, subType);
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76 | } catch (GeometryTypeNotSupportedException e) {
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77 | throw new PersistenceException( |
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78 | "Error creating the geometry type with type = " + type
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79 | + ", subType = " + subType, e);
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80 | } catch (GeometryException e) {
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81 | throw new PersistenceException( |
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82 | "Error creating the geometry type with type = " + type
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83 | + ", subType = " + subType, e);
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84 | } |
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85 | } |
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86 | |||
87 | public void saveToState(PersistentState state, Object obj) |
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88 | throws PersistenceException {
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89 | GeometryType type = (GeometryType) obj; |
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90 | state.set(FIELD_TYPE, type.getType()); |
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91 | state.set(FIELD_SUBTYPE, type.getSubType()); |
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92 | } |
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93 | |||
94 | } |