Statistics
| Revision:

root / trunk / extensions / extSymbology / src / org / gvsig / symbology / fmap / rendering / filter / operations / OperatorsUtils.java @ 20768

History | View | Annotate | Download (2.15 KB)

1
/* gvSIG. Sistema de Informaci�n Geogr�fica de la Generalitat Valenciana
2
 *
3
 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
4
 *
5
 * This program is free software; you can redistribute it and/or
6
 * modify it under the terms of the GNU General Public License
7
 * as published by the Free Software Foundation; either version 2
8
 * of the License, or (at your option) any later version.
9
 *
10
 * This program is distributed in the hope that it will be useful,
11
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13
 * GNU General Public License for more details.
14
 *
15
 * You should have received a copy of the GNU General Public License
16
 * along with this program; if not, write to the Free Software
17
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.
18
 *
19
 * For more information, contact:
20
 *
21
 *  Generalitat Valenciana
22
 *   Conselleria d'Infraestructures i Transport
23
 *   Av. Blasco Ib��ez, 50
24
 *   46010 VALENCIA
25
 *   SPAIN
26
 *
27
 *      +34 963862235
28
 *   gvsig@gva.es
29
 *      www.gvsig.gva.es
30
 *
31
 *    or
32
 *
33
 *   IVER T.I. S.A
34
 *   Salamanca 50
35
 *   46005 Valencia
36
 *   Spain
37
 *
38
 *   +34 963163400
39
 *   dac@iver.es
40
 */
41
package org.gvsig.symbology.fmap.rendering.filter.operations;
42

    
43

    
44
/**
45
 * Utils for operators
46
 * 
47
 * @author Pepe Vidal Salvador - jose.vidal.salvador@iver.es
48
 *
49
 */
50
public class OperatorsUtils {
51

    
52
        public static Object[] getOperatorNames() {
53
                OperatorsFactory myFactory = new OperatorsFactory();
54
                Object[] myOperators = myFactory.functions.keySet().toArray();
55
                return myOperators;
56
        }
57

    
58
        public static String getPatternByName(String name) {
59
                OperatorsFactory myFactory = new OperatorsFactory();
60

    
61
                myFactory.myClass = (Class) myFactory.functions.get(name);
62

    
63

    
64
                Expression expression;
65
                try {
66
                        expression = (Expression) myFactory.myClass.newInstance();
67
                        
68
                        if (expression == null)
69
                                return null;
70
                        
71
                        return expression.getPattern();
72
                } catch (InstantiationException e) {
73
                        e.printStackTrace();
74
                } catch (IllegalAccessException e) {
75
                        e.printStackTrace();
76
                }
77

    
78
                return null;
79
        }
80

    
81
}