svn-gvsig-desktop / trunk / libraries / libDataSourceDBBaseDrivers / src / org / gvsig / data / datastores / vectorial / db / jdbc / h2 / H2Utils.java @ 20058
History | View | Annotate | Download (13.3 KB)
| 1 |
package org.gvsig.data.datastores.vectorial.db.jdbc.h2; |
|---|---|
| 2 |
|
| 3 |
import java.sql.Connection; |
| 4 |
import java.sql.DriverManager; |
| 5 |
import java.sql.PreparedStatement; |
| 6 |
import java.sql.ResultSet; |
| 7 |
import java.sql.ResultSetMetaData; |
| 8 |
import java.sql.Statement; |
| 9 |
import java.util.Iterator; |
| 10 |
|
| 11 |
import org.gvsig.data.datastores.vectorial.db.DBFeatureType; |
| 12 |
import org.gvsig.data.datastores.vectorial.db.jdbc.JDBCAttributeDescriptor; |
| 13 |
import org.gvsig.data.datastores.vectorial.db.jdbc.JDBCFeature; |
| 14 |
import org.gvsig.data.datastores.vectorial.db.jdbc.JDBCStore; |
| 15 |
import org.gvsig.data.datastores.vectorial.db.jdbc.exception.JDBCDriverNotFoundException; |
| 16 |
import org.gvsig.data.datastores.vectorial.db.jdbc.exception.SQLException; |
| 17 |
import org.gvsig.data.exception.InitializeException; |
| 18 |
import org.gvsig.data.exception.ReadException; |
| 19 |
import org.gvsig.data.vectorial.DefaultAttributeDescriptor; |
| 20 |
import org.gvsig.data.vectorial.IFeature; |
| 21 |
import org.gvsig.data.vectorial.IFeatureAttributeDescriptor; |
| 22 |
import org.gvsig.data.vectorial.IFeatureType; |
| 23 |
|
| 24 |
import com.iver.cit.gvsig.fmap.core.FShape; |
| 25 |
import com.iver.cit.gvsig.fmap.core.IGeometry; |
| 26 |
import com.iver.cit.gvsig.fmap.drivers.WKBParser2; |
| 27 |
import com.vividsolutions.jts.io.WKBWriter; |
| 28 |
|
| 29 |
public class H2Utils { |
| 30 |
|
| 31 |
|
| 32 |
|
| 33 |
static String getDefaultSchema(Connection conn, String catalog) throws InitializeException { |
| 34 |
String sql= "SELECT * FROM INFORMATION_SCHEMA.SCHEMATA WHERE IS_DEFAULT = TRUE"; |
| 35 |
if (catalog == null || catalog ==""){ |
| 36 |
sql= sql+ " AND CATALOG_NAME = '"+catalog+"'"; |
| 37 |
} |
| 38 |
|
| 39 |
String schema = null; |
| 40 |
Statement st = null; |
| 41 |
ResultSet rs= null; |
| 42 |
try{
|
| 43 |
st = conn.createStatement(ResultSet.FETCH_FORWARD, ResultSet.CONCUR_READ_ONLY); |
| 44 |
rs = st.executeQuery(sql); |
| 45 |
if (!rs.next()){
|
| 46 |
throw new InitializeException("getDefaulSchema",new Exception("Can't find default schema.")); |
| 47 |
} |
| 48 |
schema = rs.getString("SCHEMA_NAME");
|
| 49 |
if (rs.next()){
|
| 50 |
throw new InitializeException("getDefaulSchema",new Exception("Checks catalog parm.")); |
| 51 |
} |
| 52 |
|
| 53 |
|
| 54 |
} catch (java.sql.SQLException e) {
|
| 55 |
// TODO Auto-generated catch block
|
| 56 |
throw new SQLException(sql,"getDefaultSchema",e); |
| 57 |
} finally{
|
| 58 |
try{
|
| 59 |
if (rs != null){ |
| 60 |
rs.close(); |
| 61 |
} else if (st != null){ |
| 62 |
st.close(); |
| 63 |
} |
| 64 |
} catch (java.sql.SQLException e1){
|
| 65 |
//Ignore ??
|
| 66 |
} |
| 67 |
|
| 68 |
} |
| 69 |
return schema;
|
| 70 |
} |
| 71 |
|
| 72 |
private static void loadFieldsToFeatureType(Connection conn,H2StoreParameters params,DBFeatureType featureType) throws ReadException{ |
| 73 |
String sql=""; |
| 74 |
String columns=params.getFieldsString();
|
| 75 |
|
| 76 |
if (params.getSqlSoure() != null){ |
| 77 |
sql = params.getSqlSoure(); |
| 78 |
} else {
|
| 79 |
sql = "Select "+columns+" from " + params.tableID() + " limit 1;"; |
| 80 |
} |
| 81 |
|
| 82 |
try {
|
| 83 |
|
| 84 |
Statement stAux = conn.createStatement();
|
| 85 |
Statement stAux1 = conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY); |
| 86 |
ResultSet rs = stAux.executeQuery(sql);
|
| 87 |
ResultSetMetaData rsMetadata = rs.getMetaData();
|
| 88 |
String schemaFilter=""; |
| 89 |
if (params.getSchema() != null && params.getSchema() != ""){ |
| 90 |
schemaFilter = " TABLE_SCHEMA='" + params.getSchema() +"' AND "; |
| 91 |
} |
| 92 |
String sqlAllMeta = "SELECT * FROM INFORMATION_SCHEMA.COLUMNS where " |
| 93 |
+ schemaFilter |
| 94 |
+ "TABLE_NAME='"+ params.getTableName() +"'"; |
| 95 |
|
| 96 |
ResultSet rsAllMeta = stAux1.executeQuery(sqlAllMeta);
|
| 97 |
|
| 98 |
// ResultSet rsAllMeta = conn.getMetaData().getAttributes(null, null, tableName, "*");
|
| 99 |
|
| 100 |
String colName;
|
| 101 |
int i;
|
| 102 |
|
| 103 |
featureType.setTableID(params.tableID()); |
| 104 |
DefaultAttributeDescriptor attr; |
| 105 |
for (i=1;i<=rsMetadata.getColumnCount();i++){ |
| 106 |
colName= rsMetadata.getColumnName(i); |
| 107 |
rsAllMeta.first(); |
| 108 |
|
| 109 |
while (true){ |
| 110 |
if (rsAllMeta.isAfterLast()){
|
| 111 |
attr = getAttributeFromJDBC(conn,rsMetadata,i); |
| 112 |
featureType.add(attr); |
| 113 |
attr.setOrdinal(i-1);
|
| 114 |
break;
|
| 115 |
} else if(rsAllMeta.getString("COLUMN_NAME").equals(colName)){ |
| 116 |
attr = getAttributeFromJDBC(conn,rsAllMeta); |
| 117 |
featureType.add(attr); |
| 118 |
attr.setOrdinal(i-1);
|
| 119 |
break;
|
| 120 |
} |
| 121 |
rsAllMeta.next(); |
| 122 |
} |
| 123 |
if (attr.getName().equals(params.getGeometryField())){
|
| 124 |
if (attr.getDataType().equals(IFeatureAttributeDescriptor.TYPE_OBJECT)){
|
| 125 |
attr.setType(IFeatureAttributeDescriptor.TYPE_GEOMETRY); |
| 126 |
}else{
|
| 127 |
throw new InitializeException( |
| 128 |
"H2Utils.getFeatureType",
|
| 129 |
new Exception("Geometry Field '" |
| 130 |
+ params.getGeometryField() |
| 131 |
+ "' is a "
|
| 132 |
+ attr.getDataType() |
| 133 |
+ " but sould be "
|
| 134 |
+ IFeatureAttributeDescriptor.TYPE_OBJECT)); |
| 135 |
} |
| 136 |
|
| 137 |
} |
| 138 |
} |
| 139 |
|
| 140 |
rs.close(); |
| 141 |
rsAllMeta.close(); |
| 142 |
} catch (java.sql.SQLException e) {
|
| 143 |
// TODO Auto-generated catch block
|
| 144 |
throw new SQLException(sql,"getFeatureType",e); |
| 145 |
} |
| 146 |
|
| 147 |
} |
| 148 |
|
| 149 |
static DBFeatureType getFeatureType(Connection conn,H2StoreParameters params) throws ReadException{ |
| 150 |
DBFeatureType featureType = new DBFeatureType();
|
| 151 |
|
| 152 |
|
| 153 |
loadFieldsToFeatureType(conn, params, featureType); |
| 154 |
|
| 155 |
|
| 156 |
featureType.setFieldsId(params.getFieldsId()); |
| 157 |
|
| 158 |
if (params.getGeometryField() != null && params.getGeometryField() != ""){ |
| 159 |
if (featureType.getFieldIndex(params.getGeometryField())< 0){ |
| 160 |
// FIXME: crear una nueva excepcion??
|
| 161 |
throw new InitializeException( |
| 162 |
H2Store.DATASTORE_NAME, |
| 163 |
new Exception("Geometry Field '"+ params.getGeometryField() +"' not Found")); |
| 164 |
|
| 165 |
} |
| 166 |
|
| 167 |
featureType.setDefaultGeometry(params.getGeometryField()); |
| 168 |
} |
| 169 |
|
| 170 |
return featureType;
|
| 171 |
|
| 172 |
} |
| 173 |
|
| 174 |
private static DefaultAttributeDescriptor getAttributeFromJDBC(Connection conn,ResultSetMetaData rsMetadata,int colIndex) throws SQLException{ |
| 175 |
JDBCAttributeDescriptor column= new JDBCAttributeDescriptor();
|
| 176 |
try {
|
| 177 |
column.setName(rsMetadata.getColumnName(colIndex)); |
| 178 |
column.setCaseSensitive(rsMetadata.isCaseSensitive(colIndex)); |
| 179 |
column.setSqlType(rsMetadata.getColumnType(colIndex)); |
| 180 |
column.setAllowNull(rsMetadata.isNullable(colIndex) == ResultSetMetaData.columnNullable);
|
| 181 |
column.setAutoIncrement(rsMetadata.isAutoIncrement(colIndex)); |
| 182 |
column.setReadOnly(rsMetadata.isReadOnly(colIndex)); |
| 183 |
column.setWritable(rsMetadata.isWritable(colIndex)); |
| 184 |
column.setClassName(rsMetadata.getColumnClassName(colIndex)); |
| 185 |
column.setCatalogName(rsMetadata.getCatalogName(colIndex)); |
| 186 |
column.setDefinitelyWritable(rsMetadata.isDefinitelyWritable(colIndex)); |
| 187 |
column.setLabel(rsMetadata.getColumnLabel(colIndex)); |
| 188 |
column.setSchemaName(rsMetadata.getSchemaName(colIndex)); |
| 189 |
column.setTableName(rsMetadata.getTableName(colIndex)); |
| 190 |
column.setCatalogName(rsMetadata.getCatalogName(colIndex)); |
| 191 |
column.setSqlTypeName(rsMetadata.getColumnTypeName(colIndex)); |
| 192 |
column.setSearchable(rsMetadata.isSearchable(colIndex)); |
| 193 |
column.setSigned(rsMetadata.isSigned(colIndex)); |
| 194 |
column.setCurrency(rsMetadata.isCurrency(colIndex)); |
| 195 |
column.setPrecision(rsMetadata.getPrecision(colIndex)); |
| 196 |
column.setSize(rsMetadata.getColumnDisplaySize(colIndex)); switch (rsMetadata.getColumnType(colIndex)) {
|
| 197 |
case java.sql.Types.INTEGER:
|
| 198 |
column.setType(IFeatureAttributeDescriptor.TYPE_INT); |
| 199 |
break;
|
| 200 |
case java.sql.Types.BIGINT:
|
| 201 |
column.setType(IFeatureAttributeDescriptor.TYPE_LONG); |
| 202 |
break;
|
| 203 |
case java.sql.Types.REAL:
|
| 204 |
column.setType(IFeatureAttributeDescriptor.TYPE_DOUBLE); |
| 205 |
break;
|
| 206 |
case java.sql.Types.DOUBLE:
|
| 207 |
column.setType(IFeatureAttributeDescriptor.TYPE_DOUBLE); |
| 208 |
break;
|
| 209 |
case java.sql.Types.CHAR:
|
| 210 |
column.setType(IFeatureAttributeDescriptor.TYPE_STRING); |
| 211 |
break;
|
| 212 |
case java.sql.Types.VARCHAR:
|
| 213 |
column.setType(IFeatureAttributeDescriptor.TYPE_STRING); |
| 214 |
break;
|
| 215 |
case java.sql.Types.FLOAT:
|
| 216 |
column.setType(IFeatureAttributeDescriptor.TYPE_FLOAT); |
| 217 |
break;
|
| 218 |
case java.sql.Types.DECIMAL:
|
| 219 |
column.setType(IFeatureAttributeDescriptor.TYPE_FLOAT); |
| 220 |
break;
|
| 221 |
case java.sql.Types.DATE:
|
| 222 |
column.setType(IFeatureAttributeDescriptor.TYPE_DATE); |
| 223 |
break;
|
| 224 |
case java.sql.Types.BOOLEAN:
|
| 225 |
column.setType(IFeatureAttributeDescriptor.TYPE_BOOLEAN); |
| 226 |
break;
|
| 227 |
default:
|
| 228 |
column.setType(IFeatureAttributeDescriptor.TYPE_OBJECT); |
| 229 |
break;
|
| 230 |
} |
| 231 |
} catch (java.sql.SQLException e){
|
| 232 |
throw new SQLException("","load attribute definition",e); |
| 233 |
} |
| 234 |
|
| 235 |
return column;
|
| 236 |
|
| 237 |
} |
| 238 |
|
| 239 |
private static DefaultAttributeDescriptor getAttributeFromJDBC(Connection conn, ResultSet rsMetadata) throws SQLException{ |
| 240 |
JDBCAttributeDescriptor column= new JDBCAttributeDescriptor();
|
| 241 |
try {
|
| 242 |
column.setName(rsMetadata.getString("COLUMN_NAME"));
|
| 243 |
column.setSqlType(rsMetadata.getInt("DATA_TYPE"));
|
| 244 |
switch (rsMetadata.getInt("DATA_TYPE")) { |
| 245 |
case java.sql.Types.INTEGER:
|
| 246 |
column.setType(IFeatureAttributeDescriptor.TYPE_INT); |
| 247 |
break;
|
| 248 |
case java.sql.Types.BIGINT:
|
| 249 |
column.setType(IFeatureAttributeDescriptor.TYPE_LONG); |
| 250 |
break;
|
| 251 |
case java.sql.Types.REAL:
|
| 252 |
column.setType(IFeatureAttributeDescriptor.TYPE_DOUBLE); |
| 253 |
// column.setPrecision(rsMetadata.getInt("DECIMAL_DIGITS"));
|
| 254 |
column.setPrecision(rsMetadata.getInt("NUMERIC_PRECISION"));
|
| 255 |
break;
|
| 256 |
case java.sql.Types.DOUBLE:
|
| 257 |
column.setType(IFeatureAttributeDescriptor.TYPE_DOUBLE); |
| 258 |
// column.setPrecision(rsMetadata.getInt("DECIMAL_DIGITS"));
|
| 259 |
column.setPrecision(rsMetadata.getInt("NUMERIC_PRECISION"));
|
| 260 |
break;
|
| 261 |
case java.sql.Types.CHAR:
|
| 262 |
column.setType(IFeatureAttributeDescriptor.TYPE_STRING); |
| 263 |
// column.setSize(rsMetadata.getInt("COLUMN_SIZE"));
|
| 264 |
column.setSize(rsMetadata.getInt("CHARACTER_MAXIMUM_LENGTH"));
|
| 265 |
break;
|
| 266 |
case java.sql.Types.VARCHAR:
|
| 267 |
column.setType(IFeatureAttributeDescriptor.TYPE_STRING); |
| 268 |
// column.setSize(rsMetadata.getInt("COLUMN_SIZE"));
|
| 269 |
column.setSize(rsMetadata.getInt("CHARACTER_MAXIMUM_LENGTH"));
|
| 270 |
|
| 271 |
break;
|
| 272 |
case java.sql.Types.FLOAT:
|
| 273 |
column.setType(IFeatureAttributeDescriptor.TYPE_FLOAT); |
| 274 |
// column.setSize(rsMetadata.getInt("COLUMN_SIZE"));
|
| 275 |
column.setSize(rsMetadata.getInt("CHARACTER_MAXIMUM_LENGTH"));
|
| 276 |
break;
|
| 277 |
case java.sql.Types.DECIMAL:
|
| 278 |
column.setType(IFeatureAttributeDescriptor.TYPE_FLOAT); |
| 279 |
// column.setSize(rsMetadata.getInt("COLUMN_SIZE"));
|
| 280 |
column.setSize(rsMetadata.getInt("CHARACTER_MAXIMUM_LENGTH"));
|
| 281 |
// column.setPrecision(rsMetadata.getInt("DECIMAL_DIGITS"));
|
| 282 |
column.setPrecision(rsMetadata.getInt("NUMERIC_PRECISION"));
|
| 283 |
break;
|
| 284 |
case java.sql.Types.DATE:
|
| 285 |
column.setType(IFeatureAttributeDescriptor.TYPE_DATE); |
| 286 |
break;
|
| 287 |
case java.sql.Types.BOOLEAN:
|
| 288 |
column.setType(IFeatureAttributeDescriptor.TYPE_BOOLEAN); |
| 289 |
break;
|
| 290 |
default:
|
| 291 |
//FIXME: Falta comprobar si es geometrica!!!
|
| 292 |
column.setType(IFeatureAttributeDescriptor.TYPE_OBJECT); |
| 293 |
break;
|
| 294 |
} |
| 295 |
|
| 296 |
column.setDefaultValue(rsMetadata.getObject("COLUMN_DEFAULT"));
|
| 297 |
column.setAllowNull(rsMetadata.getBoolean("IS_NULLABLE"));
|
| 298 |
} catch (java.sql.SQLException e){
|
| 299 |
throw new SQLException("","load attribute definition",e); |
| 300 |
} |
| 301 |
|
| 302 |
return column;
|
| 303 |
|
| 304 |
} |
| 305 |
|
| 306 |
|
| 307 |
|
| 308 |
static void initializeTableEPSG_and_shapeType(Connection conn,String tableID, DBFeatureType dbld) throws ReadException { |
| 309 |
try {
|
| 310 |
Statement stAux = conn.createStatement();
|
| 311 |
|
| 312 |
// String sql = "SELECT * FROM GEOMETRY_COLUMNS WHERE F_TABLE_NAME = '"
|
| 313 |
// + getTableName() + "' AND F_GEOMETRY_COLUMN = '" + getLyrDef().getFieldGeometry() + "'";
|
| 314 |
String sql= "SELECT SRID("+dbld.getDefaultGeometry()+"), GeometryType("+dbld.getDefaultGeometry()+") FROM "+tableID +" WHERE "+dbld.getDefaultGeometry()+" is not null LIMIT 1"; |
| 315 |
|
| 316 |
ResultSet rs = stAux.executeQuery(sql);
|
| 317 |
if(!rs.next()){
|
| 318 |
dbld.setDefaultSRS("");
|
| 319 |
dbld.setGeometryTypes(new int[]{FShape.MULTI}); |
| 320 |
return;
|
| 321 |
} |
| 322 |
dbld.setDefaultSRS("EPSG:"+rs.getInt(1)); |
| 323 |
|
| 324 |
String geometryType = rs.getString(2); |
| 325 |
int shapeType = FShape.MULTI;
|
| 326 |
if (geometryType.compareToIgnoreCase("Point") == 0) |
| 327 |
shapeType = FShape.POINT; |
| 328 |
else if (geometryType.compareToIgnoreCase("LineString") == 0) |
| 329 |
shapeType = FShape.LINE; |
| 330 |
else if (geometryType.compareToIgnoreCase("Polygon") == 0) |
| 331 |
shapeType = FShape.POLYGON; |
| 332 |
else if (geometryType.compareToIgnoreCase("MultiPoint") == 0) |
| 333 |
shapeType = FShape.POINT; |
| 334 |
else if (geometryType.compareToIgnoreCase("MultiLineString") == 0) |
| 335 |
shapeType = FShape.LINE; |
| 336 |
else if (geometryType.compareToIgnoreCase("MultiPolygon") == 0) |
| 337 |
shapeType = FShape.POLYGON; |
| 338 |
|
| 339 |
dbld.setGeometryTypes(new int[]{shapeType}); |
| 340 |
rs.close(); |
| 341 |
|
| 342 |
} catch (java.sql.SQLException e) {
|
| 343 |
dbld.setDefaultSRS("");
|
| 344 |
dbld.setGeometryTypes(new int[]{FShape.MULTI}); |
| 345 |
throw new ReadException("H2Utils.getTableEPSG_and_shapeType",e); |
| 346 |
} |
| 347 |
|
| 348 |
} |
| 349 |
|
| 350 |
static String getConnectionResourceID(String dbUrl,String dbUser){ |
| 351 |
return H2Store.CONNECTION_STRING+";"+dbUrl+";"+dbUser; |
| 352 |
|
| 353 |
} |
| 354 |
|
| 355 |
|
| 356 |
static String getJDBCUrl(String host,String db){ |
| 357 |
String url;
|
| 358 |
url = "jdbc:h2:tcp://"+host;
|
| 359 |
if (db == null || db == ""){ |
| 360 |
url=url+"/default";
|
| 361 |
}else {
|
| 362 |
url=url+"/"+db;
|
| 363 |
} |
| 364 |
|
| 365 |
return url;
|
| 366 |
} |
| 367 |
|
| 368 |
static Connection getConnection(String dbUrl,String dbUser, String dbPass) throws InitializeException{ |
| 369 |
//TODO: Aqu? habria que implementar la llamada
|
| 370 |
// al Resource Manager para comprobar si ya hay
|
| 371 |
// una connexion a la BD
|
| 372 |
String connID = getConnectionResourceID(dbUrl, dbUser);
|
| 373 |
|
| 374 |
Connection conn = null; |
| 375 |
// IResource res = ResourceManager.getResourceManager().getResource(connID);
|
| 376 |
|
| 377 |
|
| 378 |
|
| 379 |
try {
|
| 380 |
Class.forName("org.h2.Driver"); |
| 381 |
} catch (ClassNotFoundException e) { |
| 382 |
throw new JDBCDriverNotFoundException("org.h2.Driver",e); |
| 383 |
} |
| 384 |
try {
|
| 385 |
conn = DriverManager.getConnection(dbUrl, dbUser, dbPass);
|
| 386 |
conn.setAutoCommit(false);
|
| 387 |
|
| 388 |
} catch (java.sql.SQLException e1) {
|
| 389 |
throw new InitializeException("H2",e1); |
| 390 |
} |
| 391 |
//TODO: Registrar en el Resource manager
|
| 392 |
// ResourceManager.getResourceManager().addResource(res);
|
| 393 |
|
| 394 |
return conn;
|
| 395 |
} |
| 396 |
|
| 397 |
|
| 398 |
} |