| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.netbeans.modules.db.metadata.model.jdbc; |
| |
| import java.sql.Connection; |
| import java.sql.DatabaseMetaData; |
| import java.sql.ResultSet; |
| import java.sql.SQLException; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| import org.netbeans.modules.db.metadata.model.MetadataAccessor; |
| import org.netbeans.modules.db.metadata.model.MetadataUtilities; |
| import org.netbeans.modules.db.metadata.model.api.Catalog; |
| import org.netbeans.modules.db.metadata.model.api.MetadataException; |
| import org.netbeans.modules.db.metadata.model.api.Schema; |
| import org.netbeans.modules.db.metadata.model.spi.MetadataImplementation; |
| |
| /** |
| * |
| * @author Andrei Badea |
| */ |
| public class JDBCMetadata extends MetadataImplementation { |
| |
| private static final Logger LOGGER = Logger.getLogger(JDBCMetadata.class.getName()); |
| private final Connection conn; |
| private final String defaultSchemaName; |
| private final DatabaseMetaData dmd; |
| protected Catalog defaultCatalog; |
| protected Map<String, Catalog> catalogs; |
| |
| public JDBCMetadata(Connection conn, String defaultSchemaName) { |
| LOGGER.log(Level.FINE, "Creating metadata for default schema ''{0}''", defaultSchemaName); |
| this.conn = conn; |
| this.defaultSchemaName = defaultSchemaName; |
| try { |
| dmd = conn.getMetaData(); |
| } catch (SQLException e) { |
| throw new MetadataException(e); |
| } |
| if (LOGGER.isLoggable(Level.FINE)) { |
| try { |
| LOGGER.log(Level.FINE, "Retrieved DMD for product ''{0}'' version ''{1}'', driver ''{2}'' version ''{3}''", new Object[]{ |
| dmd.getDatabaseProductName(), |
| dmd.getDatabaseProductVersion(), |
| dmd.getDriverName(), |
| dmd.getDriverVersion() |
| }); |
| } catch (SQLException e) { |
| LOGGER.log(Level.FINE, "Exception while logging metadata information", e); |
| } |
| } |
| } |
| |
| @Override |
| public final Catalog getDefaultCatalog() { |
| initCatalogs(); |
| return defaultCatalog; |
| } |
| |
| @Override |
| public final Collection<Catalog> getCatalogs() { |
| return initCatalogs().values(); |
| } |
| |
| @Override |
| public final Catalog getCatalog(String name) { |
| Catalog catalog = MetadataUtilities.find(name, initCatalogs()); |
| if (catalog == null && name == null) { |
| return getDefaultCatalog(); |
| } |
| |
| return catalog; |
| } |
| |
| @Override |
| public Schema getDefaultSchema() { |
| Catalog catalog = getDefaultCatalog(); |
| if (catalog != null) { |
| return ((JDBCCatalog) MetadataAccessor.getDefault().getCatalogImpl(catalog)).getDefaultSchema(); |
| } |
| return null; |
| } |
| |
| @Override |
| public final void refresh() { |
| LOGGER.fine("Refreshing metadata"); |
| defaultCatalog = null; |
| catalogs = null; |
| } |
| |
| @Override |
| public String toString() { |
| return "JDBCMetadata"; // NOI18N |
| } |
| |
| protected JDBCCatalog createJDBCCatalog(String name, boolean _default, String defaultSchemaName) { |
| return new JDBCCatalog(this, name, _default, defaultSchemaName); |
| } |
| |
| protected void createCatalogs() { |
| Map<String, Catalog> newCatalogs = new LinkedHashMap<String, Catalog>(); |
| try { |
| if (!driverReportsBogusCatalogNames()) { |
| String defaultCatalogName = conn.getCatalog(); |
| ResultSet rs = dmd.getCatalogs(); |
| try { |
| while (rs.next()) { |
| String catalogName = MetadataUtilities.trimmed(rs.getString("TABLE_CAT")); // NOI18N |
| LOGGER.log(Level.FINE, "Read catalog ''{0}''", catalogName); //NOI18N |
| if (MetadataUtilities.equals(catalogName, defaultCatalogName)) { |
| defaultCatalog = createJDBCCatalog(catalogName, true, defaultSchemaName).getCatalog(); |
| newCatalogs.put(defaultCatalog.getName(), defaultCatalog); |
| LOGGER.log(Level.FINE, "Created default catalog {0}", defaultCatalog); //NOI18N |
| } else { |
| Catalog catalog = createJDBCCatalog(catalogName, false, null).getCatalog(); |
| newCatalogs.put(catalogName, catalog); |
| LOGGER.log(Level.FINE, "Created catalog {0}", catalog); //NOI18N |
| } |
| } |
| } finally { |
| if (rs != null) { |
| rs.close(); |
| } |
| } |
| } |
| } catch (SQLException e) { |
| LOGGER.log(Level.INFO, "Could not load catalogs list from database (getCatalogs failed)."); |
| } |
| if (defaultCatalog == null) { |
| defaultCatalog = createJDBCCatalog(null, true, defaultSchemaName).getCatalog(); |
| |
| // Issue 154407 - Don't put the default catalog in the list of catalogs if its name is null, |
| // unless it's the *only* catalog (e.g. with Derby, where it doesn't have a concept of catalogs) |
| if (newCatalogs.isEmpty()) { |
| newCatalogs.put(null, defaultCatalog); |
| } |
| |
| LOGGER.log(Level.FINE, "Created fallback default catalog {0}", defaultCatalog); |
| } |
| catalogs = Collections.unmodifiableMap(newCatalogs); |
| } |
| |
| private Map<String, Catalog> initCatalogs() { |
| if (catalogs != null) { |
| return catalogs; |
| } |
| LOGGER.fine("Initializing catalogs"); |
| createCatalogs(); |
| return catalogs; |
| } |
| |
| public final Connection getConnection() { |
| return conn; |
| } |
| |
| public final DatabaseMetaData getDmd() { |
| return dmd; |
| } |
| |
| /** |
| * Ignore reported catalogs from driver. |
| * |
| * Seems some drivers (aka the Pointbase jdbc driver) don't support catalogs |
| * but against all assumptions report catalog names for getCatalogs(). These |
| * names are bogus and need to be ignored. |
| * |
| * @return |
| */ |
| private boolean driverReportsBogusCatalogNames() throws SQLException { |
| String driverName = dmd.getDriverName(); |
| return "PointBase JDBC Driver".equals(driverName) || |
| "IBM Data Server Driver for JDBC and SQLJ".equals(driverName); |
| } |
| } |