svn-gvsig-desktop / tags / v1_0_2_Build_915 / libraries / libFMap / src / com / iver / cit / gvsig / fmap / layers / VectorialDBAdapter.java @ 12217
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| 1 | 1100 | fjp | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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| 2 | *
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| 3 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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| 4 | *
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| 5 | * This program is free software; you can redistribute it and/or
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| 6 | * modify it under the terms of the GNU General Public License
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| 7 | * as published by the Free Software Foundation; either version 2
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| 8 | * of the License, or (at your option) any later version.
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| 9 | *
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| 10 | * This program is distributed in the hope that it will be useful,
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | * GNU General Public License for more details.
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| 14 | *
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| 15 | * You should have received a copy of the GNU General Public License
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| 16 | * along with this program; if not, write to the Free Software
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| 17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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| 18 | *
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| 19 | * For more information, contact:
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| 20 | *
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| 21 | * Generalitat Valenciana
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| 22 | * Conselleria d'Infraestructures i Transport
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| 23 | * Av. Blasco Ib??ez, 50
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| 24 | * 46010 VALENCIA
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| 25 | * SPAIN
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| 26 | *
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| 27 | * +34 963862235
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| 28 | * gvsig@gva.es
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| 29 | * www.gvsig.gva.es
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| 30 | *
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| 31 | * or
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| 32 | *
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| 33 | * IVER T.I. S.A
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| 34 | * Salamanca 50
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| 35 | * 46005 Valencia
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| 36 | * Spain
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| 37 | *
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| 38 | * +34 963163400
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| 39 | * dac@iver.es
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| 40 | */
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| 41 | 214 | fernando | package com.iver.cit.gvsig.fmap.layers; |
| 42 | |||
| 43 | 1691 | fjp | import java.awt.geom.Rectangle2D; |
| 44 | 2183 | fernando | import java.io.IOException; |
| 45 | 1691 | fjp | import java.sql.Connection; |
| 46 | import java.sql.ResultSet; |
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| 47 | import java.sql.SQLException; |
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| 48 | import java.sql.Statement; |
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| 49 | |||
| 50 | import com.hardcode.driverManager.DriverLoadException; |
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| 51 | 1034 | vcaballero | import com.hardcode.gdbms.engine.data.DataSource; |
| 52 | 1691 | fjp | import com.hardcode.gdbms.engine.data.DataSourceFactory; |
| 53 | import com.hardcode.gdbms.engine.data.NoSuchTableException; |
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| 54 | 1828 | fernando | import com.hardcode.gdbms.engine.data.driver.ObjectDriver; |
| 55 | 3248 | fjp | import com.hardcode.gdbms.engine.values.Value; |
| 56 | 651 | fernando | import com.iver.cit.gvsig.fmap.DriverException; |
| 57 | 3248 | fjp | import com.iver.cit.gvsig.fmap.core.DefaultFeature; |
| 58 | 1691 | fjp | import com.iver.cit.gvsig.fmap.core.FShape; |
| 59 | 3248 | fjp | import com.iver.cit.gvsig.fmap.core.IFeature; |
| 60 | 305 | fjp | import com.iver.cit.gvsig.fmap.core.IGeometry; |
| 61 | 3268 | fjp | import com.iver.cit.gvsig.fmap.drivers.DBLayerDefinition; |
| 62 | 214 | fernando | import com.iver.cit.gvsig.fmap.drivers.DriverIOException; |
| 63 | 2183 | fernando | import com.iver.cit.gvsig.fmap.drivers.IFeatureIterator; |
| 64 | 214 | fernando | import com.iver.cit.gvsig.fmap.drivers.VectorialDatabaseDriver; |
| 65 | |||
| 66 | 1034 | vcaballero | |
| 67 | |||
| 68 | 214 | fernando | /**
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| 69 | 1034 | vcaballero | * Adapta un driver de base de datos vectorial a la interfaz vectorial,
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| 70 | * manteniendo adem?s el estado necesario por una capa vectorial de base de
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| 71 | * datos (par?metros de la conexi?n)
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| 72 | 214 | fernando | */
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| 73 | 4171 | fjp | public class VectorialDBAdapter extends VectorialAdapter implements ISpatialDB { |
| 74 | 1691 | fjp | private int numReg=-1; |
| 75 | 3959 | caballero | private SelectableDataSource ds = null; |
| 76 | 1034 | vcaballero | /**
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| 77 | * incrementa el contador de las veces que se ha abierto el fichero.
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| 78 | * Solamente cuando el contador est? a cero pide al driver que conecte con
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| 79 | * la base de datos
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| 80 | */
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| 81 | public void start() { |
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| 82 | 2183 | fernando | try {
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| 83 | 11006 | jmvivo | //System.out.println("====" +this.hashCode()+" Abrir tabla: " + ((VectorialDatabaseDriver)driver).getTableName());
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| 84 | 2183 | fernando | ((VectorialDatabaseDriver)driver).open(); |
| 85 | } catch (DriverException e) {
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| 86 | // TODO Auto-generated catch block
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| 87 | e.printStackTrace(); |
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| 88 | } |
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| 89 | 1034 | vcaballero | } |
| 90 | 214 | fernando | |
| 91 | 1034 | vcaballero | /**
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| 92 | * decrementa el contador de n?mero de aperturas y cuando llega a cero pide
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| 93 | * al driver que cierre la conexion con el servidor de base de datos
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| 94 | */
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| 95 | public void stop() { |
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| 96 | 11006 | jmvivo | //System.out.println("====" +this.hashCode()+" Cerrar tabla: " + ((VectorialDatabaseDriver)driver).getTableName());
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| 97 | 2183 | fernando | ((VectorialDatabaseDriver)driver).close(); |
| 98 | 1034 | vcaballero | } |
| 99 | 214 | fernando | |
| 100 | 4171 | fjp | /* (non-Javadoc)
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| 101 | * @see com.iver.cit.gvsig.fmap.layers.ISpatialDB#getFeatureIterator(java.awt.geom.Rectangle2D, java.lang.String)
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| 102 | 1034 | vcaballero | */
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| 103 | 2183 | fernando | /* public Connection getConnection()
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| 104 | 1691 | fjp | {
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| 105 | return ((VectorialDatabaseDriver)driver).getConnection();
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| 106 | 2183 | fernando | }*/
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| 107 | /* public IFeatureIterator getFeatureIterator(String sql) throws DriverException
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| 108 | 1693 | fjp | {
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| 109 | 2183 | fernando | return ((VectorialDatabaseDriver)driver).getFeatureIterator(sql);
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| 110 | }*/
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| 111 | public IFeatureIterator getFeatureIterator(Rectangle2D r, String strEPSG) throws DriverException |
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| 112 | {
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| 113 | return ((VectorialDatabaseDriver)driver).getFeatureIterator(r, strEPSG);
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| 114 | 1693 | fjp | } |
| 115 | 3959 | caballero | |
| 116 | 4171 | fjp | /* (non-Javadoc)
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| 117 | * @see com.iver.cit.gvsig.fmap.layers.ISpatialDB#getFeatureIterator(java.awt.geom.Rectangle2D, java.lang.String, java.lang.String[])
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| 118 | */
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| 119 | 3268 | fjp | public IFeatureIterator getFeatureIterator(Rectangle2D r, String strEPSG, String[] alphaNumericFieldsNeeded) throws DriverException |
| 120 | {
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| 121 | return ((VectorialDatabaseDriver)driver).getFeatureIterator(r, strEPSG, alphaNumericFieldsNeeded);
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| 122 | } |
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| 123 | 3959 | caballero | |
| 124 | 4171 | fjp | /* (non-Javadoc)
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| 125 | * @see com.iver.cit.gvsig.fmap.layers.ISpatialDB#getFields()
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| 126 | */
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| 127 | 2183 | fernando | public String[] getFields() |
| 128 | 1691 | fjp | {
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| 129 | 3959 | caballero | return ((VectorialDatabaseDriver)driver).getFields();
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| 130 | 1691 | fjp | } |
| 131 | 4171 | fjp | /* (non-Javadoc)
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| 132 | * @see com.iver.cit.gvsig.fmap.layers.ISpatialDB#getWhereClause()
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| 133 | */
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| 134 | 1691 | fjp | public String getWhereClause() |
| 135 | {
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| 136 | return ((VectorialDatabaseDriver)driver).getWhereClause();
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| 137 | } |
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| 138 | 4171 | fjp | /* (non-Javadoc)
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| 139 | * @see com.iver.cit.gvsig.fmap.layers.ISpatialDB#getTableName()
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| 140 | */
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| 141 | 1691 | fjp | public String getTableName() |
| 142 | {
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| 143 | return ((VectorialDatabaseDriver)driver).getTableName();
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| 144 | } |
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| 145 | 3959 | caballero | |
| 146 | |||
| 147 | 214 | fernando | /**
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| 148 | * @see com.iver.cit.gvsig.fmap.layers.ReadableVectorial#getShape(int)
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| 149 | */
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| 150 | 305 | fjp | public IGeometry getShape(int index) throws DriverIOException { |
| 151 | 1691 | fjp | IGeometry geom = null;
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| 152 | 3271 | fjp | try {
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| 153 | geom = ((VectorialDatabaseDriver)driver).getShape(index); |
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| 154 | } catch (IOException e) { |
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| 155 | throw new DriverIOException(e); |
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| 156 | } |
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| 157 | 1691 | fjp | return geom;
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| 158 | 214 | fernando | } |
| 159 | |||
| 160 | /**
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| 161 | 369 | fernando | * @see com.iver.cit.gvsig.fmap.layers.ReadableVectorial#getShapeType()
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| 162 | */
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| 163 | public int getShapeType() throws DriverIOException { |
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| 164 | 2183 | fernando | return ((VectorialDatabaseDriver)driver).getShapeType();
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| 165 | 369 | fernando | } |
| 166 | 408 | fernando | |
| 167 | /**
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| 168 | * @see com.iver.cit.gvsig.fmap.layers.VectorialAdapter#getRecordset()
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| 169 | */
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| 170 | 3959 | caballero | public SelectableDataSource getRecordset() throws DriverLoadException { |
| 171 | 1828 | fernando | if (driver instanceof ObjectDriver) |
| 172 | 1691 | fjp | {
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| 173 | 3207 | fjp | if (ds == null) |
| 174 | {
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| 175 | String name = LayerFactory.getDataSourceFactory().addDataSource((ObjectDriver)driver);
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| 176 | try {
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| 177 | 11008 | jmvivo | // CHEMA: AUTOMATIC DATA SOURCE
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| 178 | //ds = new SelectableDataSource(LayerFactory.getDataSourceFactory().createRandomDataSource(name, DataSourceFactory.MANUAL_OPENING));
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| 179 | ds = new SelectableDataSource(LayerFactory.getDataSourceFactory().createRandomDataSource(name, DataSourceFactory.AUTOMATIC_OPENING));
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| 180 | 3207 | fjp | } catch (NoSuchTableException e) {
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| 181 | throw new RuntimeException(e); |
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| 182 | } catch (com.hardcode.gdbms.engine.data.driver.DriverException e) {
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| 183 | throw new RuntimeException(e); |
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| 184 | } |
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| 185 | 3959 | caballero | } |
| 186 | 1691 | fjp | } |
| 187 | return ds;
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| 188 | 408 | fernando | } |
| 189 | 546 | fernando | |
| 190 | 3268 | fjp | /* (non-Javadoc)
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| 191 | * @see com.iver.cit.gvsig.fmap.layers.VectorialAdapter#getFeature(int)
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| 192 | */
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| 193 | public IFeature getFeature(int numReg) throws DriverException { |
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| 194 | IGeometry geom; |
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| 195 | IFeature feat = null;
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| 196 | try {
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| 197 | geom = getShape(numReg); |
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| 198 | DataSource rs = getRecordset();
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| 199 | int idFieldID = getLyrDef().getIdFieldID();
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| 200 | Value[] regAtt = new Value[rs.getFieldCount()]; |
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| 201 | String theID = null; |
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| 202 | for (int fieldId=0; fieldId < rs.getFieldCount(); fieldId++ ) |
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| 203 | 3959 | caballero | {
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| 204 | 3268 | fjp | regAtt[fieldId] = rs.getFieldValue(numReg, fieldId); |
| 205 | if (fieldId == idFieldID)
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| 206 | theID = regAtt[fieldId].toString(); |
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| 207 | } |
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| 208 | 3959 | caballero | |
| 209 | 3268 | fjp | feat = new DefaultFeature(geom, regAtt, theID);
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| 210 | } catch (DriverIOException e) {
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| 211 | throw new DriverException(e); |
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| 212 | } catch (DriverLoadException e) {
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| 213 | throw new DriverException(e); |
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| 214 | } catch (com.hardcode.gdbms.engine.data.driver.DriverException e) {
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| 215 | throw new DriverException(e); |
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| 216 | } |
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| 217 | return feat;
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| 218 | } |
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| 219 | |||
| 220 | 4171 | fjp | /* (non-Javadoc)
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| 221 | * @see com.iver.cit.gvsig.fmap.layers.ISpatialDB#getLyrDef()
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| 222 | */
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| 223 | 3268 | fjp | public DBLayerDefinition getLyrDef()
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| 224 | {
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| 225 | return ((VectorialDatabaseDriver)driver).getLyrDef();
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| 226 | } |
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| 227 | 4181 | fjp | |
| 228 | public int getRowIndexByFID(IFeature feat) { |
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| 229 | return ((VectorialDatabaseDriver) driver).getRowIndexByFID(feat);
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| 230 | } |
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| 231 | 214 | fernando | } |