Statistics
| Revision:

root / trunk / libraries / libDataSource / src / org / gvsig / data / vectorial / expansionadapter / AttributeManager.java @ 19488

History | View | Annotate | Download (4.58 KB)

1

    
2
/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
3
 *
4
 * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.
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 2
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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.
19
 *
20
 * For more information, contact:
21
 *
22
 *  Generalitat Valenciana
23
 *   Conselleria d'Infraestructures i Transport
24
 *   Av. Blasco Ib??ez, 50
25
 *   46010 VALENCIA
26
 *   SPAIN
27
 *
28
 *      +34 963862235
29
 *   gvsig@gva.es
30
 *      www.gvsig.gva.es
31
 *
32
 *    or
33
 *
34
 *   IVER T.I. S.A
35
 *   Salamanca 50
36
 *   46005 Valencia
37
 *   Spain
38
 *
39
 *   +34 963163400
40
 *   dac@iver.es
41
 */
42

    
43
package org.gvsig.data.vectorial.expansionadapter;
44

    
45
import java.util.ArrayList;
46
import java.util.HashMap;
47

    
48
import org.gvsig.data.vectorial.DefaultFeatureType;
49
import org.gvsig.data.vectorial.IFeatureAttributeDescriptor;
50
import org.gvsig.data.vectorial.IFeatureType;
51

    
52

    
53
/**
54
 * DOCUMENT ME!
55
 *
56
 * @author Vicente Caballero Navarro
57
 */
58
public class AttributeManager {
59
    protected HashMap relations = new HashMap();//<String,Integer>
60
    protected IExpansionAdapter expansionAdapter;
61
    protected ArrayList deletedAttributes = new ArrayList();//<String>
62

    
63
    public AttributeManager(IExpansionAdapter expansionAdapter){
64
            this.expansionAdapter=expansionAdapter;
65
    }
66

    
67
    public void deleteAttribute(String id) {
68
        deletedAttributes.add(id);
69
    }
70

    
71
    /**
72
     * DOCUMENT ME!
73
     *
74
     * @param feature DOCUMENT ME!
75
     */
76
    public void addAttribute(IFeatureAttributeDescriptor attributeDescriptor) {
77
        int pos = expansionAdapter.addObject(attributeDescriptor);
78
        relations.put(attributeDescriptor.getName(), new Integer(pos));
79
    }
80

    
81
    /**
82
     * DOCUMENT ME!
83
     *
84
     * @param id DOCUMENT ME!
85
     */
86
    public void deleteLastAttribute(String id) {
87
        expansionAdapter.deleteLastObject();
88
        relations.remove(id);
89
    }
90

    
91
    /**
92
     * DOCUMENT ME!
93
     *
94
     * @param id DOCUMENT ME!
95
     *
96
     * @return DOCUMENT ME!
97
     */
98
    public boolean contains(String id) {
99
        return relations.containsKey(id);
100
    }
101

    
102
    /**
103
     * DOCUMENT ME!
104
     *
105
     * @param id DOCUMENT ME!
106
     *
107
     * @return DOCUMENT ME!
108
     */
109
    public IFeatureAttributeDescriptor getAttribute(String id) {
110
        int num = ((Integer) relations.get(id)).intValue();
111

    
112
        return (IFeatureAttributeDescriptor)expansionAdapter.getObject(num);
113
    }
114

    
115
    /**
116
     * DOCUMENT ME!
117
     *
118
     * @param feature DOCUMENT ME!
119
     * @param oldFeature DOCUMENT ME!
120
     */
121
    public void updateAttribute(IFeatureAttributeDescriptor attributeDescriptor, IFeatureAttributeDescriptor oldAttributeDescriptor) {
122
        deletedAttributes.add(oldAttributeDescriptor.getName());
123

    
124
        int num = expansionAdapter.updateObject(attributeDescriptor);
125

    
126
        /*
127
         * Actualiza la relaci?n del ?ndice de la geometr?a al ?ndice en el
128
         * fichero de expansi?n.
129
         */
130
        relations.put(attributeDescriptor.getName(), new Integer(num));
131
    }
132

    
133
    /**
134
     * DOCUMENT ME!
135
     *
136
     * @param id DOCUMENT ME!
137
     */
138
    public void restoreAttribute(String id) {
139
        deletedAttributes.remove(id);
140
    }
141

    
142
        public IFeatureType getFeatureType(IFeatureType featureType) {
143
                IFeatureType ft = new DefaultFeatureType();
144
                ft.setGeometryTypes(featureType.getGeometryTypes());
145
                for (int i=0;i<featureType.size();i++){
146
                        IFeatureAttributeDescriptor descriptor=(IFeatureAttributeDescriptor)featureType.get(i);
147
                        if (!deletedAttributes.contains(descriptor)){
148
                                ft.add(descriptor);
149
                        }
150
                }
151
                for (int i=0;i<relations.size();i++){
152
                        IFeatureAttributeDescriptor descriptor=(IFeatureAttributeDescriptor)expansionAdapter.getObject(i);
153
                        if (!deletedAttributes.contains(descriptor)){
154
                                ft.add(descriptor);
155
                        }
156
                }
157
                return ft;
158
        }
159

    
160
        public void clear() {
161
                relations.clear();//<String,Integer>
162
            expansionAdapter.close();
163
            deletedAttributes.clear();//<String>
164

    
165
        }
166
}