svn-gvsig-desktop / tags / Root_v061 / extensions / extJDBC / src / com / iver / cit / gvsig / fmap / drivers / jdbc / mysql / MySQLDriver.java @ 4812
History | View | Annotate | Download (11.9 KB)
1 | 2269 | fjp | /*
|
---|---|---|---|
2 | * Created on 04-mar-2005
|
||
3 | *
|
||
4 | * gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
||
5 | *
|
||
6 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
|
||
7 | *
|
||
8 | * This program is free software; you can redistribute it and/or
|
||
9 | * modify it under the terms of the GNU General Public License
|
||
10 | * as published by the Free Software Foundation; either version 2
|
||
11 | * of the License, or (at your option) any later version.
|
||
12 | *
|
||
13 | * This program is distributed in the hope that it will be useful,
|
||
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
16 | * GNU General Public License for more details.
|
||
17 | *
|
||
18 | * You should have received a copy of the GNU General Public License
|
||
19 | * along with this program; if not, write to the Free Software
|
||
20 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||
21 | *
|
||
22 | * For more information, contact:
|
||
23 | *
|
||
24 | * Generalitat Valenciana
|
||
25 | * Conselleria d'Infraestructures i Transport
|
||
26 | * Av. Blasco Ib??ez, 50
|
||
27 | * 46010 VALENCIA
|
||
28 | * SPAIN
|
||
29 | *
|
||
30 | * +34 963862235
|
||
31 | * gvsig@gva.es
|
||
32 | * www.gvsig.gva.es
|
||
33 | *
|
||
34 | * or
|
||
35 | *
|
||
36 | * IVER T.I. S.A
|
||
37 | * Salamanca 50
|
||
38 | * 46005 Valencia
|
||
39 | * Spain
|
||
40 | *
|
||
41 | * +34 963163400
|
||
42 | * dac@iver.es
|
||
43 | */
|
||
44 | package com.iver.cit.gvsig.fmap.drivers.jdbc.mysql; |
||
45 | |||
46 | import java.awt.geom.Rectangle2D; |
||
47 | import java.sql.Connection; |
||
48 | import java.sql.ResultSet; |
||
49 | import java.sql.SQLException; |
||
50 | import java.sql.Statement; |
||
51 | |||
52 | 3251 | fjp | import org.apache.log4j.Logger; |
53 | 3095 | fjp | import org.cresques.cts.ICoordTrans; |
54 | |||
55 | 2269 | fjp | import com.hardcode.gdbms.engine.data.edition.DataWare; |
56 | 3095 | fjp | import com.iver.andami.messages.NotificationManager; |
57 | 2269 | fjp | import com.iver.cit.gvsig.fmap.DriverException; |
58 | import com.iver.cit.gvsig.fmap.core.IGeometry; |
||
59 | 3251 | fjp | import com.iver.cit.gvsig.fmap.drivers.DBLayerDefinition; |
60 | 2269 | fjp | import com.iver.cit.gvsig.fmap.drivers.DefaultDBDriver; |
61 | import com.iver.cit.gvsig.fmap.drivers.DriverAttributes; |
||
62 | import com.iver.cit.gvsig.fmap.drivers.IFeatureIterator; |
||
63 | 3095 | fjp | import com.iver.cit.gvsig.fmap.drivers.WKTParser; |
64 | 2302 | fjp | import com.iver.cit.gvsig.fmap.drivers.jdbc.WKBParser; |
65 | 3251 | fjp | import com.iver.cit.gvsig.fmap.drivers.jdbc.postgis.PostGisDriver; |
66 | 3095 | fjp | import com.vividsolutions.jts.io.ParseException; |
67 | 2269 | fjp | |
68 | /**
|
||
69 | * @author FJP
|
||
70 | *
|
||
71 | * TODO To change the template for this generated type comment go to
|
||
72 | * Window - Preferences - Java - Code Generation - Code and Comments
|
||
73 | */
|
||
74 | public class MySQLDriver extends DefaultDBDriver { |
||
75 | 3251 | fjp | private static Logger logger = Logger.getLogger(MySQLDriver.class.getName()); |
76 | 2269 | fjp | private WKBParser parser = new WKBParser(); |
77 | 3095 | fjp | private WKTParser wktParser = new WKTParser(); |
78 | 2269 | fjp | /* private int fetch_min=-1;
|
79 | private int fetch_max=-1; */
|
||
80 | private Statement st; |
||
81 | 3268 | fjp | |
82 | 2269 | fjp | private String strAux; |
83 | 3095 | fjp | private String strEPSG = "-1"; |
84 | private String originalEPSG; |
||
85 | 3251 | fjp | private String completeWhere; |
86 | 2269 | fjp | /**
|
87 | 3251 | fjp | * Don't have information about working area
|
88 | */
|
||
89 | private String sqlOrig; |
||
90 | |||
91 | |||
92 | /**
|
||
93 | * Does have information about working area and order
|
||
94 | */
|
||
95 | private String sqlTotal; |
||
96 | |||
97 | /**
|
||
98 | 2269 | fjp | *
|
99 | */
|
||
100 | public MySQLDriver() {
|
||
101 | } |
||
102 | /* (non-Javadoc)
|
||
103 | * @see com.iver.cit.gvsig.fmap.drivers.VectorialDriver#getDriverAttributes()
|
||
104 | */
|
||
105 | public DriverAttributes getDriverAttributes() {
|
||
106 | return null; |
||
107 | } |
||
108 | |||
109 | /* (non-Javadoc)
|
||
110 | * @see com.hardcode.driverManager.Driver#getName()
|
||
111 | */
|
||
112 | public String getName() { |
||
113 | return "mySQL JDBC Driver"; |
||
114 | } |
||
115 | |||
116 | /**
|
||
117 | * @see com.iver.cit.gvsig.fmap.layers.ReadableVectorial#getShape(int)
|
||
118 | */
|
||
119 | public IGeometry getShape(int index) { |
||
120 | IGeometry geom = null;
|
||
121 | boolean resul;
|
||
122 | try {
|
||
123 | // EL ABSOLUTE NO HACE QUE SE VUELVAN A LEER LAS
|
||
124 | // FILAS, ASI QUE MONTAMOS ESTA HISTORIA PARA QUE
|
||
125 | // LO HAGA
|
||
126 | // System.out.println("getShape " + index);
|
||
127 | /* if (index < fetch_min)
|
||
128 | {
|
||
129 | rs.close();
|
||
130 | |||
131 | rs = st.executeQuery(sqlOrig);
|
||
132 | fetch_min = 0;
|
||
133 | fetch_max = rs.getFetchSize();
|
||
134 | }
|
||
135 | while (index >= fetch_max)
|
||
136 | {
|
||
137 | rs.last();
|
||
138 | // forzamos una carga
|
||
139 | rs.next();
|
||
140 | fetch_min = fetch_max;
|
||
141 | fetch_max = fetch_max + rs.getFetchSize();
|
||
142 | // System.out.println("fetchSize = " + rs.getFetchSize() + " " + fetch_min + "-" + fetch_max);
|
||
143 | }
|
||
144 | rs.absolute(index+1 - fetch_min); */
|
||
145 | 4090 | jorpiell | if (rs != null){ |
146 | rs.absolute(index+1);
|
||
147 | // strAux = rs.getString(1);
|
||
148 | // geom = parser.read(strAux);
|
||
149 | byte[] data = rs.getBytes(1); |
||
150 | geom = parser.parse(data); |
||
151 | } |
||
152 | 2269 | fjp | |
153 | |||
154 | } catch (SQLException e) { |
||
155 | e.printStackTrace(); |
||
156 | } |
||
157 | |||
158 | return geom;
|
||
159 | } |
||
160 | 3251 | fjp | |
161 | |||
162 | 2269 | fjp | /**
|
163 | * @param conn
|
||
164 | */
|
||
165 | 2778 | fjp | /* (non-Javadoc)
|
166 | * @see com.iver.cit.gvsig.fmap.drivers.VectorialJDBCDriver#setData(java.sql.Connection, java.lang.String, java.lang.String, java.lang.String, int)
|
||
167 | */
|
||
168 | 3251 | fjp | public void setData(Connection conn, DBLayerDefinition lyrDef) |
169 | 2269 | fjp | { |
170 | 3251 | fjp | this.conn = conn;
|
171 | setLyrDef(lyrDef); |
||
172 | 2269 | fjp | try {
|
173 | 3095 | fjp | |
174 | // NO ESTA LISTO ESTO AUN EN mySQL, o no s? usuarlo getTableEPSG();
|
||
175 | |||
176 | 3251 | fjp | sqlOrig = "SELECT " + getTotalFields() + " FROM " + getLyrDef().getTableName() |
177 | + " " + getLyrDef().getWhereClause();
|
||
178 | completeWhere = getCompoundWhere(workingArea, strEPSG); |
||
179 | 3268 | fjp | completeWhere = completeWhere ; |
180 | String sqlAux = sqlOrig + completeWhere + " ORDER BY " + getLyrDef().getFieldID(); |
||
181 | 3251 | fjp | completeWhere = getLyrDef().getWhereClause() + completeWhere; |
182 | logger.info("Cadena SQL:" + sqlAux);
|
||
183 | sqlTotal = sqlAux; |
||
184 | |||
185 | |||
186 | 2269 | fjp | st = conn.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY); |
187 | 3251 | fjp | |
188 | rs = st.executeQuery(sqlTotal); |
||
189 | 2269 | fjp | metaData = rs.getMetaData(); |
190 | // Le pegamos un primera pasada para poder relacionar
|
||
191 | // un campo de identificador ?nico (parecido al OID en
|
||
192 | // postgresql) con el ?ndice dentro del recordset.
|
||
193 | // Esto cuando haya ediciones, no es v?lido, y hay
|
||
194 | // que refrescarlo.
|
||
195 | doRelateID_FID(); |
||
196 | |||
197 | } catch (SQLException e) { |
||
198 | 3095 | fjp | NotificationManager.addError("Error al conectar a la base de datos.",e);
|
199 | 2269 | fjp | e.printStackTrace(); |
200 | } |
||
201 | } |
||
202 | |||
203 | /* (non-Javadoc)
|
||
204 | * @see com.iver.cit.gvsig.fmap.drivers.VectorialDatabaseDriver#getGeometryIterator(java.lang.String)
|
||
205 | */
|
||
206 | public IFeatureIterator getFeatureIterator(String sql) throws com.iver.cit.gvsig.fmap.DriverException { |
||
207 | Statement st;
|
||
208 | MySqlFeatureIterator geomIterator = null;
|
||
209 | try {
|
||
210 | 3251 | fjp | logger.debug(sql); |
211 | 2269 | fjp | st = conn.createStatement(); |
212 | // st.setFetchSize(2000);
|
||
213 | ResultSet rs = st.executeQuery(sql);
|
||
214 | geomIterator = new MySqlFeatureIterator(rs);
|
||
215 | 3347 | fjp | geomIterator.setLyrDef(getLyrDef()); |
216 | 2269 | fjp | } catch (SQLException e) { |
217 | e.printStackTrace(); |
||
218 | throw new com.iver.cit.gvsig.fmap.DriverException(e); |
||
219 | } |
||
220 | |||
221 | return geomIterator;
|
||
222 | } |
||
223 | /* (non-Javadoc)
|
||
224 | * @see com.iver.cit.gvsig.fmap.drivers.VectorialDatabaseDriver#getGeometryIterator(java.awt.geom.Rectangle2D)
|
||
225 | */
|
||
226 | public IFeatureIterator getFeatureIterator(Rectangle2D r, String strEPSG) throws DriverException { |
||
227 | if (workingArea != null) |
||
228 | 3251 | fjp | r = r.createIntersection(workingArea); |
229 | String sqlAux = sqlOrig + getCompoundWhere(r, strEPSG);
|
||
230 | 3095 | fjp | |
231 | return getFeatureIterator(sqlAux);
|
||
232 | } |
||
233 | |||
234 | /**
|
||
235 | * Le pasas el rect?ngulo que quieres pedir. La primera
|
||
236 | * vez es el workingArea, y las siguientes una interseccion
|
||
237 | * de este rectangulo con el workingArea
|
||
238 | * @param r
|
||
239 | * @param strEPSG
|
||
240 | * @return
|
||
241 | */
|
||
242 | private String getCompoundWhere(Rectangle2D r, String strEPSG) { |
||
243 | if (r==null) |
||
244 | 3251 | fjp | return ""; |
245 | 3095 | fjp | |
246 | 2269 | fjp | double xMin = r.getMinX();
|
247 | double yMin = r.getMinY();
|
||
248 | double xMax = r.getMaxX();
|
||
249 | double yMax = r.getMaxY();
|
||
250 | |||
251 | String wktBox = "GeomFromText('LINESTRING(" + xMin + " " + yMin + ", " |
||
252 | 3095 | fjp | + xMax + " " + yMin + ", " |
253 | + xMax + " " + yMax + ", " |
||
254 | + xMin + " " + yMax + ")', " |
||
255 | + strEPSG + ")";
|
||
256 | 2269 | fjp | String sqlAux;
|
257 | if (getWhereClause().startsWith("WHERE")) |
||
258 | 3251 | fjp | sqlAux = " MBRIntersects(" + wktBox + ",ogc_geom)" ; |
259 | 2269 | fjp | else
|
260 | 3251 | fjp | sqlAux = "WHERE MBRIntersects(" + wktBox + ",ogc_geom)" ; |
261 | 3095 | fjp | return sqlAux;
|
262 | } |
||
263 | 2269 | fjp | |
264 | 3095 | fjp | |
265 | 2269 | fjp | public void open() { |
266 | // TODO Auto-generated method stub
|
||
267 | |||
268 | } |
||
269 | /**
|
||
270 | * @see com.iver.cit.gvsig.fmap.drivers.VectorialDatabaseDriver#getConnectionStringBeginning()
|
||
271 | */
|
||
272 | public String getConnectionStringBeginning() { |
||
273 | return "jdbc:mysql:"; |
||
274 | } |
||
275 | |||
276 | static{
|
||
277 | try {
|
||
278 | Class.forName("com.mysql.jdbc.Driver"); |
||
279 | } catch (ClassNotFoundException e) { |
||
280 | throw new RuntimeException(e); |
||
281 | } |
||
282 | } |
||
283 | |||
284 | /**
|
||
285 | * @see com.iver.cit.gvsig.fmap.drivers.VectorialDatabaseDriver#getGeometryField(java.lang.String)
|
||
286 | */
|
||
287 | public String getGeometryField(String fieldName) { |
||
288 | return "ASBINARY(" + fieldName +")"; |
||
289 | } |
||
290 | /**
|
||
291 | * @see com.hardcode.gdbms.engine.data.driver.ObjectDriver#getPrimaryKeys()
|
||
292 | */
|
||
293 | public int[] getPrimaryKeys() throws com.hardcode.gdbms.engine.data.driver.DriverException { |
||
294 | 3251 | fjp | return new int[]{getLyrDef().getIdFieldID() - 2}; |
295 | 2269 | fjp | } |
296 | /**
|
||
297 | * @see com.iver.cit.gvsig.fmap.drivers.VectorialJDBCDriver#getDefaultPort()
|
||
298 | */
|
||
299 | public int getDefaultPort() { |
||
300 | return 3306; |
||
301 | } |
||
302 | /**
|
||
303 | * @see com.hardcode.gdbms.engine.data.driver.ObjectDriver#write(com.hardcode.gdbms.engine.data.edition.DataWare)
|
||
304 | */
|
||
305 | public void write(DataWare arg0) throws com.hardcode.gdbms.engine.data.driver.DriverException { |
||
306 | // TODO Auto-generated method stub
|
||
307 | |||
308 | } |
||
309 | |||
310 | 3095 | fjp | private void getTableEPSG() |
311 | { |
||
312 | try {
|
||
313 | Statement stAux = conn.createStatement();
|
||
314 | |||
315 | String sql = "SELECT SRID(ogc_geom) FROM " + |
||
316 | getTableName() + " LIMIT 1;";
|
||
317 | ResultSet rs = stAux.executeQuery(sql);
|
||
318 | rs.next(); |
||
319 | originalEPSG = "" + rs.getInt(1); |
||
320 | rs.close(); |
||
321 | } catch (SQLException e) { |
||
322 | // TODO Auto-generated catch block
|
||
323 | e.printStackTrace(); |
||
324 | } |
||
325 | |||
326 | } |
||
327 | 3251 | fjp | public String getSqlTotal() |
328 | { |
||
329 | return sqlTotal;
|
||
330 | } |
||
331 | /**
|
||
332 | * @return Returns the completeWhere.
|
||
333 | */
|
||
334 | public String getCompleteWhere() { |
||
335 | return completeWhere;
|
||
336 | } |
||
337 | 3095 | fjp | |
338 | 3268 | fjp | /* (non-Javadoc)
|
339 | * @see com.iver.cit.gvsig.fmap.drivers.VectorialDatabaseDriver#getFeatureIterator(java.awt.geom.Rectangle2D, java.lang.String, java.lang.String[])
|
||
340 | */
|
||
341 | public IFeatureIterator getFeatureIterator(Rectangle2D r, String strEPSG, String[] alphaNumericFieldsNeeded) throws DriverException { |
||
342 | if (workingArea != null) |
||
343 | r = r.createIntersection(workingArea); |
||
344 | |||
345 | String strAux = getGeometryField(getLyrDef().getFieldGeometry());
|
||
346 | boolean found = false; |
||
347 | if (alphaNumericFieldsNeeded != null) |
||
348 | { |
||
349 | for (int i=0; i< alphaNumericFieldsNeeded.length; i++) |
||
350 | { |
||
351 | strAux = strAux + ", " + alphaNumericFieldsNeeded[i];
|
||
352 | if (alphaNumericFieldsNeeded[i].equals(getLyrDef().getFieldID()))
|
||
353 | found = true;
|
||
354 | } |
||
355 | } |
||
356 | // Nos aseguramos de pedir siempre el campo ID
|
||
357 | if (found == false) |
||
358 | strAux = strAux + ", " + getLyrDef().getFieldID();
|
||
359 | |||
360 | String sqlProv = "SELECT " + strAux + " FROM " + getLyrDef().getTableName() |
||
361 | + " " + getLyrDef().getWhereClause();
|
||
362 | |||
363 | String sqlAux;
|
||
364 | sqlAux = sqlProv + getCompoundWhere(r, strEPSG); |
||
365 | |||
366 | System.out.println("SqlAux getFeatureIterator = " + sqlAux); |
||
367 | |||
368 | return getFeatureIterator(sqlAux);
|
||
369 | } |
||
370 | 2269 | fjp | |
371 | 3268 | fjp | |
372 | 2269 | fjp | } |