svn-gvsig-desktop / tags / v1_1_Build_1007 / libraries / libFMap / src / com / iver / cit / gvsig / fmap / drivers / MemoryDriver.java @ 12478
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| 1 | 695 | fjp | /*
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| 2 | * Created on 27-dic-2004
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| 3 | *
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| 4 | * TODO To change the template for this generated file go to
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| 5 | * Window - Preferences - Java - Code Generation - Code and Comments
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| 6 | */
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| 7 | 1100 | fjp | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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| 8 | *
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| 9 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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| 10 | *
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| 11 | * This program is free software; you can redistribute it and/or
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| 12 | * modify it under the terms of the GNU General Public License
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| 13 | * as published by the Free Software Foundation; either version 2
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| 14 | * of the License, or (at your option) any later version.
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| 15 | *
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| 16 | * This program is distributed in the hope that it will be useful,
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| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 19 | * GNU General Public License for more details.
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| 20 | *
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| 21 | * You should have received a copy of the GNU General Public License
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| 22 | * along with this program; if not, write to the Free Software
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| 23 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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| 24 | *
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| 25 | * For more information, contact:
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| 26 | *
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| 27 | * Generalitat Valenciana
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| 28 | * Conselleria d'Infraestructures i Transport
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| 29 | * Av. Blasco Ib??ez, 50
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| 30 | * 46010 VALENCIA
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| 31 | * SPAIN
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| 32 | *
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| 33 | * +34 963862235
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| 34 | * gvsig@gva.es
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| 35 | * www.gvsig.gva.es
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| 36 | *
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| 37 | * or
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| 38 | *
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| 39 | * IVER T.I. S.A
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| 40 | * Salamanca 50
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| 41 | * 46005 Valencia
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| 42 | * Spain
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| 43 | *
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| 44 | * +34 963163400
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| 45 | * dac@iver.es
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| 46 | */
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| 47 | 695 | fjp | package com.iver.cit.gvsig.fmap.drivers; |
| 48 | |||
| 49 | 1005 | vcaballero | import java.awt.geom.Rectangle2D; |
| 50 | import java.io.IOException; |
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| 51 | 1773 | fernando | import java.sql.Types; |
| 52 | 1005 | vcaballero | import java.util.ArrayList; |
| 53 | 1661 | fjp | import java.util.Date; |
| 54 | 1005 | vcaballero | |
| 55 | import javax.swing.table.DefaultTableModel; |
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| 56 | |||
| 57 | 2944 | fjp | import com.hardcode.gdbms.engine.data.DataSourceFactory; |
| 58 | 1828 | fernando | import com.hardcode.gdbms.engine.data.driver.DriverException; |
| 59 | import com.hardcode.gdbms.engine.data.driver.ObjectDriver; |
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| 60 | 10235 | caballero | import com.hardcode.gdbms.engine.values.StringValue; |
| 61 | 1653 | fernando | import com.hardcode.gdbms.engine.values.Value; |
| 62 | import com.iver.cit.gvsig.fmap.core.FShape; |
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| 63 | import com.iver.cit.gvsig.fmap.core.IGeometry; |
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| 64 | import com.iver.cit.gvsig.fmap.core.ShapeFactory; |
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| 65 | import com.iver.cit.gvsig.fmap.operations.strategies.MemoryShapeInfo; |
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| 66 | 1005 | vcaballero | |
| 67 | 1653 | fernando | |
| 68 | 695 | fjp | /**
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| 69 | 1005 | vcaballero | * Clase abstracta para Driver en memoria.
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| 70 | *
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| 71 | 695 | fjp | * @author FJP
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| 72 | */
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| 73 | 3271 | fjp | public abstract class MemoryDriver implements VectorialDriver, ObjectDriver, |
| 74 | 1005 | vcaballero | BoundedShapes {
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| 75 | private MemoryShapeInfo memShapeInfo = new MemoryShapeInfo(); |
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| 76 | private ArrayList arrayGeometries = new ArrayList(); |
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| 77 | private Rectangle2D fullExtent; |
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| 78 | private int m_Position; |
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| 79 | private DefaultTableModel m_TableModel = new DefaultTableModel(); |
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| 80 | 10235 | caballero | private int[] fieldWidth=null; |
| 81 | 1005 | vcaballero | |
| 82 | /**
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| 83 | * Devuelve el modelo de la tabla.
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| 84 | *
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| 85 | * @return modelo de la tabla.
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| 86 | */
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| 87 | public DefaultTableModel getTableModel() { |
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| 88 | return m_TableModel;
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| 89 | } |
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| 90 | |||
| 91 | /**
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| 92 | * A?ade un shape.
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| 93 | *
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| 94 | 5126 | fjp | * @param geom shape.
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| 95 | 1005 | vcaballero | * @param row fila.
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| 96 | */
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| 97 | 5126 | fjp | public void addGeometry(IGeometry geom, Object[] row) { |
| 98 | if (geom == null) { |
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| 99 | 1005 | vcaballero | return; // No a?adimos nada |
| 100 | } |
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| 101 | |||
| 102 | 5126 | fjp | Rectangle2D boundsShp = geom.getBounds();
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| 103 | memShapeInfo.addShapeInfo(boundsShp, geom.getGeometryType()); |
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| 104 | arrayGeometries.add(geom); |
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| 105 | 10235 | caballero | if (fieldWidth==null) { |
| 106 | initializeFieldWidth(row); |
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| 107 | } |
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| 108 | actualizeFieldWidth(row); |
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| 109 | 1005 | vcaballero | m_TableModel.addRow(row); |
| 110 | |||
| 111 | try {
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| 112 | 695 | fjp | fullExtent = getFullExtent(); |
| 113 | } catch (IOException e) { |
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| 114 | e.printStackTrace(); |
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| 115 | } |
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| 116 | |||
| 117 | 1005 | vcaballero | if (fullExtent == null) { |
| 118 | fullExtent = boundsShp; |
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| 119 | } else {
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| 120 | fullExtent.add(boundsShp); |
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| 121 | } |
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| 122 | |||
| 123 | m_Position++; |
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| 124 | } |
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| 125 | |||
| 126 | 10235 | caballero | |
| 127 | 1005 | vcaballero | /**
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| 128 | 5126 | fjp | * M?todo de conveniencia, para poder a?adir directamente un shape
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| 129 | * o una IGeometry. (Arriba est? el de a?adir una IGeometry.
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| 130 | * @param shp
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| 131 | * @param row
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| 132 | */
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| 133 | public void addShape(FShape shp, Object[] row) { |
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| 134 | if (shp == null) { |
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| 135 | return; // No a?adimos nada |
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| 136 | } |
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| 137 | IGeometry geom = ShapeFactory.createGeometry(shp); |
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| 138 | 10235 | caballero | |
| 139 | 5126 | fjp | addGeometry(geom, row); |
| 140 | } |
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| 141 | |||
| 142 | /**
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| 143 | 1005 | vcaballero | * Devuelve el extent a partir de un ?ndice.
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| 144 | *
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| 145 | * @param index ?ndice.
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| 146 | *
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| 147 | * @return Extent.
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| 148 | *
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| 149 | * @throws IOException
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| 150 | */
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| 151 | public Rectangle2D getShapeBounds(int index) throws IOException { |
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| 152 | 695 | fjp | return memShapeInfo.getBoundingBox(index);
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| 153 | } |
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| 154 | 1005 | vcaballero | |
| 155 | /**
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| 156 | * Devuelve el tipo del shape.
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| 157 | *
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| 158 | * @param index ?ndice.
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| 159 | *
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| 160 | * @return tipo del shape.
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| 161 | */
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| 162 | public int getShapeType(int index) { |
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| 163 | 695 | fjp | return memShapeInfo.getType(index);
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| 164 | } |
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| 165 | 1005 | vcaballero | |
| 166 | |||
| 167 | 695 | fjp | /* (non-Javadoc)
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| 168 | 3271 | fjp | * @see com.iver.cit.gvsig.fmap.drivers.VectorialDriver#getShape(int)
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| 169 | 695 | fjp | */
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| 170 | 3271 | fjp | public IGeometry getShape(int index) { |
| 171 | 703 | fjp | IGeometry geom = (IGeometry) arrayGeometries.get(index); |
| 172 | 1005 | vcaballero | |
| 173 | 703 | fjp | return geom.cloneGeometry();
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| 174 | 695 | fjp | } |
| 175 | 1005 | vcaballero | |
| 176 | 695 | fjp | /* (non-Javadoc)
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| 177 | 3271 | fjp | * @see com.iver.cit.gvsig.fmap.drivers.VectorialDriver#getShapeCount()
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| 178 | 695 | fjp | */
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| 179 | public int getShapeCount() throws IOException { |
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| 180 | return arrayGeometries.size();
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| 181 | } |
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| 182 | 1005 | vcaballero | |
| 183 | 695 | fjp | /* (non-Javadoc)
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| 184 | 3271 | fjp | * @see com.iver.cit.gvsig.fmap.drivers.VectorialDriver#getFullExtent()
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| 185 | 695 | fjp | */
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| 186 | public Rectangle2D getFullExtent() throws IOException { |
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| 187 | return fullExtent;
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| 188 | } |
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| 189 | 1005 | vcaballero | |
| 190 | |||
| 191 | 695 | fjp | /* (non-Javadoc)
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| 192 | * @see com.iver.cit.gvsig.fmap.drivers.VectorialDriver#getShapeType()
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| 193 | */
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| 194 | 714 | fjp | public abstract int getShapeType(); |
| 195 | 1005 | vcaballero | |
| 196 | 695 | fjp | /* (non-Javadoc)
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| 197 | * @see com.hardcode.driverManager.Driver#getName()
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| 198 | */
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| 199 | public abstract String getName(); |
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| 200 | 1005 | vcaballero | |
| 201 | 1653 | fernando | /**
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| 202 | * @see com.hardcode.gdbms.engine.data.ReadDriver#getFieldType(int)
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| 203 | 695 | fjp | */
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| 204 | 10235 | caballero | |
| 205 | 6520 | azabala | /*
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| 206 | * azabala, bug 666
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| 207 | * Habra que estudiar como hacer, porque si una fila tiene el primer valor
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| 208 | * (o todos) a NullValue, devolvera como tipo de dato Types.NULL.
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| 209 | * Quizas, habra que hacer que los MemoryDriver tb tengan un ITableDefinition.
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| 210 | 10235 | caballero | *
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| 211 | 6520 | azabala | * DxfMemoryDriver no obstante si que tiene informacion sobre el esquema, asi
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| 212 | * que debera sobreescribir este metodo para salvar el bug
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| 213 | * (metodo getTableDefinition)
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| 214 | 10235 | caballero | *
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| 215 | *
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| 216 | *
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| 217 | *
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| 218 | 6520 | azabala | */
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| 219 | 1773 | fernando | public int getFieldType(int i) throws DriverException { |
| 220 | 1661 | fjp | // TODO: Revisar esto. Por ejemplo, el long
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| 221 | 3247 | fjp | if (getRowCount() > 1) |
| 222 | {
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| 223 | Value val = getFieldValue(0,i);
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| 224 | 3272 | fjp | if (val.getSQLType() == Types.INTEGER) |
| 225 | // Sabemos que es num?rico, pero no sabemos
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| 226 | // si luego habr? otra cosa.
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| 227 | return Types.FLOAT; |
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| 228 | else
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| 229 | return val.getSQLType();
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| 230 | 3247 | fjp | } |
| 231 | else
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| 232 | {
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| 233 | 10235 | caballero | // TODO: ESTO CREO QUE NO TIENE SENTIDO. SIEMPRE DEVUELVE Object.class, lo dice en
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| 234 | 3247 | fjp | // la documentaci?n. Creo que habr?a que quitarlo.
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| 235 | if (m_TableModel.getColumnClass(i) == String.class) |
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| 236 | return Types.VARCHAR; |
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| 237 | if (m_TableModel.getColumnClass(i) == Float.class) |
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| 238 | return Types.FLOAT; |
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| 239 | if (m_TableModel.getColumnClass(i) == Double.class) |
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| 240 | return Types.DOUBLE; |
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| 241 | 3272 | fjp | if (m_TableModel.getColumnClass(i) == Double.class) |
| 242 | 3247 | fjp | return Types.INTEGER; |
| 243 | 3272 | fjp | if (m_TableModel.getColumnClass(i) == Float.class) |
| 244 | 3247 | fjp | return Types.INTEGER; |
| 245 | if (m_TableModel.getColumnClass(i) == Boolean.class) |
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| 246 | return Types.BIT; |
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| 247 | if (m_TableModel.getColumnClass(i) == Date.class) |
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| 248 | return Types.DATE; |
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| 249 | 10235 | caballero | } |
| 250 | 1828 | fernando | return Types.VARCHAR; |
| 251 | 1661 | fjp | // return m_TableModel.getColumnClass(i);
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| 252 | 1828 | fernando | // throw new DriverException("Tipo no soportado: " + m_TableModel.getColumnClass(i).getName());
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| 253 | 695 | fjp | } |
| 254 | /* (non-Javadoc)
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| 255 | * @see com.hardcode.gdbms.engine.data.ReadDriver#getFieldValue(long, int)
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| 256 | */
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| 257 | 1005 | vcaballero | public Value getFieldValue(long rowIndex, int fieldId) |
| 258 | throws DriverException {
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| 259 | 695 | fjp | return (Value) m_TableModel.getValueAt((int) rowIndex, fieldId); |
| 260 | } |
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| 261 | 1005 | vcaballero | |
| 262 | 695 | fjp | /* (non-Javadoc)
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| 263 | * @see com.hardcode.gdbms.engine.data.ReadDriver#getFieldCount()
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| 264 | */
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| 265 | public int getFieldCount() throws DriverException { |
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| 266 | return m_TableModel.getColumnCount();
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| 267 | } |
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| 268 | 1005 | vcaballero | |
| 269 | 695 | fjp | /* (non-Javadoc)
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| 270 | * @see com.hardcode.gdbms.engine.data.ReadDriver#getFieldName(int)
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| 271 | */
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| 272 | public String getFieldName(int fieldId) throws DriverException { |
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| 273 | return m_TableModel.getColumnName(fieldId);
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| 274 | } |
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| 275 | 1005 | vcaballero | |
| 276 | 695 | fjp | /* (non-Javadoc)
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| 277 | * @see com.hardcode.gdbms.engine.data.ReadDriver#getRowCount()
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| 278 | */
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| 279 | public long getRowCount() throws DriverException { |
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| 280 | return arrayGeometries.size();
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| 281 | } |
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| 282 | 10235 | caballero | |
| 283 | 2944 | fjp | /* (non-Javadoc)
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| 284 | * @see com.hardcode.gdbms.engine.data.driver.GDBMSDriver#setDataSourceFactory(com.hardcode.gdbms.engine.data.DataSourceFactory)
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| 285 | */
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| 286 | public void setDataSourceFactory(DataSourceFactory dsf) { |
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| 287 | } |
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| 288 | |||
| 289 | 4937 | fjp | /* (non-Javadoc)
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| 290 | * @see com.iver.cit.gvsig.fmap.drivers.VectorialDriver#reLoad()
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| 291 | */
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| 292 | 6323 | fjp | public void reload() throws DriverException, IOException { |
| 293 | 4937 | fjp | memShapeInfo = new MemoryShapeInfo();
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| 294 | arrayGeometries.clear(); |
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| 295 | m_TableModel= new DefaultTableModel(); |
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| 296 | fullExtent = null;
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| 297 | m_Position = 0;
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| 298 | |||
| 299 | 3952 | fjp | } |
| 300 | 10235 | caballero | private void initializeFieldWidth(Object[] row) { |
| 301 | fieldWidth=new int[row.length]; |
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| 302 | for (int i=0;i<row.length;i++) { |
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| 303 | fieldWidth[i]=((Value)row[i]).getWidth(); |
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| 304 | } |
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| 305 | 4863 | fjp | } |
| 306 | 10235 | caballero | /**
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| 307 | * Actualize the width fields with StringValue.
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| 308 | * @param row
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| 309 | */
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| 310 | private void actualizeFieldWidth(Object[] row) { |
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| 311 | for (int i=0;i<row.length;i++) { |
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| 312 | if (row[i] instanceof StringValue) { |
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| 313 | int width=((StringValue)row[i]).getWidth();
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| 314 | if (fieldWidth[i]<width) {
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| 315 | fieldWidth[i]=width; |
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| 316 | } |
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| 317 | } |
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| 318 | } |
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| 319 | } |
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| 320 | public int getFieldWidth(int fieldId){ |
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| 321 | 10344 | caballero | if (fieldWidth==null) |
| 322 | return 1; |
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| 323 | 10235 | caballero | return fieldWidth[fieldId];
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| 324 | } |
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| 325 | 6323 | fjp | |
| 326 | 10235 | caballero | |
| 327 | 695 | fjp | } |