1 /**
2 * gvSIG. Desktop Geographic Information System.
3 *
4 * Copyright (C) 2007-2013 gvSIG Association.
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 3
9 * of the License, or (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
19 * MA 02110-1301, USA.
20 *
21 * For any additional information, do not hesitate to contact us
22 * at info AT gvsig.com, or visit our website www.gvsig.com.
23 */
24 /*
25 * AUTHORS (In addition to CIT):
26 * 2009 {DiSiD Technologies} {{Task}}
27 */
28 package org.gvsig.fmap.crs.persistence;
29
30 import org.cresques.cts.IProjection;
31 import org.gvsig.fmap.crs.CRSFactory;
32 import org.gvsig.tools.dataTypes.DataTypes;
33 import org.gvsig.tools.dynobject.DynStruct;
34 import org.gvsig.tools.persistence.AbstractSinglePersistenceFactory;
35 import org.gvsig.tools.persistence.PersistenceManager;
36 import org.gvsig.tools.persistence.PersistentState;
37 import org.gvsig.tools.persistence.exception.PersistenceException;
38
39 /**
40 * Factory to persist {@link IProjection} objects. The information about the
41 * {@link IProjection} which will be persisted is its full code, containing all
42 * required information to be able to reconstruct the {@link IProjection} object
43 * through the {@link CRSFactory#getCRS(String)} method.
44 * <p>
45 * <strong>NOTE:</strong>To activate this factory, it must be instanced and
46 * registered in the {@link PersistenceManager}. This will be usually performed
47 * from the project Library.
48 * </p>
49 *
50 * @author 2009- <a href="cordinyana@gvsig.org">César Ordiñana</a> - gvSIG team
51 * @author 2010- <a href="jjdelcerro@gvsig.org">Joaquin Jose del Cerro</a> -
52 * gvSIG team
53 */
54 public class ProjectionPersistenceFactory extends
55 AbstractSinglePersistenceFactory {
56
57 private static final String FIELD_FULLCODE = "fullcode";
58 private static final String DESCRIPTION_FULLCODE = "Projection abbreviature";
59
60 private static final String DYNCLASS_NAME = "Projection";
61 private static final String DYNCLASS_DESCRIPTION = "Projection";
62
63 /**
64 * Creates a new {@link ProjectionPersistenceFactory}.
65 */
66 public ProjectionPersistenceFactory() {
67 super(IProjection.class, DYNCLASS_NAME, DYNCLASS_DESCRIPTION, null,
68 null);
69
70 DynStruct definition = this.getDefinition();
71
72 definition.addDynField(FIELD_FULLCODE).setDescription(
73 DESCRIPTION_FULLCODE).setMandatory(true).setType(
74 DataTypes.STRING);
75 }
76
77 public Object createFromState(PersistentState state)
78 throws PersistenceException {
79 return CRSFactory.getCRS(state.getString(FIELD_FULLCODE));
80 }
81
82 public void saveToState(PersistentState state, Object obj)
83 throws PersistenceException {
84 state.set(FIELD_FULLCODE, ((IProjection) obj).getFullCode());
85 }
86 }