| /** |
| * 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.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.MetadataUtilities; |
| 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.CatalogImplementation; |
| |
| /** |
| * |
| * @author Andrei Badea |
| */ |
| public class JDBCCatalog extends CatalogImplementation { |
| |
| private static final Logger LOGGER = Logger.getLogger(JDBCCatalog.class.getName()); |
| |
| protected final JDBCMetadata jdbcMetadata; |
| protected final String name; |
| protected final boolean _default; |
| protected final String defaultSchemaName; |
| |
| protected Schema defaultSchema; |
| protected Schema syntheticSchema; |
| protected Map<String, Schema> schemas; |
| |
| public JDBCCatalog(JDBCMetadata jdbcMetadata, String name, boolean _default, String defaultSchemaName) { |
| // defaultSchemaName only makes sense for the default catalog. |
| assert defaultSchemaName == null || _default; |
| this.jdbcMetadata = jdbcMetadata; |
| this.name = name; |
| this._default = _default; |
| this.defaultSchemaName = defaultSchemaName; |
| LOGGER.log(Level.FINE, "Create JDBCCatalog(jdbcMetadata={0}, name={1}, _default={2}, defaultSchemaName={3})", |
| new Object[] {jdbcMetadata, name, _default, defaultSchemaName}); |
| } |
| |
| @Override |
| public final String getName() { |
| return name; |
| } |
| |
| @Override |
| public final boolean isDefault() { |
| return _default; |
| } |
| |
| @Override |
| public final Schema getSyntheticSchema() { |
| initSchemas(); |
| return syntheticSchema; |
| } |
| |
| @Override |
| public final Collection<Schema> getSchemas() { |
| return initSchemas().values(); |
| } |
| |
| @Override |
| public final Schema getSchema(String name) { |
| return MetadataUtilities.find(name, initSchemas()); |
| } |
| |
| @Override |
| public final void refresh() { |
| schemas = null; |
| } |
| |
| @Override |
| public String toString() { |
| return "JDBCCatalog[name='" + name + "',default=" + _default + "]"; // NOI18N |
| } |
| |
| public final Schema getDefaultSchema() { |
| initSchemas(); |
| return defaultSchema; |
| } |
| |
| protected JDBCSchema createJDBCSchema(String name, boolean _default, boolean synthetic) { |
| return new JDBCSchema(this, name, _default, synthetic); |
| } |
| |
| protected void createSchemas() { |
| Map<String, Schema> newSchemas = new LinkedHashMap<String, Schema>(); |
| try { |
| if (jdbcMetadata.getDmd().supportsSchemasInTableDefinitions()) { |
| ResultSet rs = jdbcMetadata.getDmd().getSchemas(); |
| if (rs != null) { |
| int columnCount = rs.getMetaData().getColumnCount(); |
| if (columnCount < 2) { |
| LOGGER.fine("DatabaseMetaData.getSchemas() not JDBC 3.0-compliant"); |
| } |
| boolean supportsCatalog = jdbcMetadata.getDmd().supportsCatalogsInTableDefinitions(); |
| try { |
| while (rs.next()) { |
| String schemaName = MetadataUtilities.trimmed(rs.getString("TABLE_SCHEM")); // NOI18N |
| // Workaround for pre-JDBC 3.0 drivers, where DatabaseMetaData.getSchemas() |
| // only returns a TABLE_SCHEM column. |
| String catalogName = columnCount > 1 && supportsCatalog ? MetadataUtilities.trimmed(rs.getString("TABLE_CATALOG")) : name; // NOI18N |
| LOGGER.log(Level.FINE, "Read schema ''{0}'' in catalog ''{1}''", new Object[] { schemaName, catalogName }); |
| LOGGER.log(Level.FINEST, "MetadataUtilities.equals(catalogName=''{0}'', name=''{1}'') returns {2}", |
| new Object[] {catalogName, name, MetadataUtilities.equals(catalogName, name)}); |
| if (MetadataUtilities.equals(catalogName, name)) { |
| if (defaultSchemaName != null && MetadataUtilities.equals(schemaName, defaultSchemaName)) { |
| defaultSchema = createJDBCSchema(defaultSchemaName, true, false).getSchema(); |
| newSchemas.put(defaultSchema.getName(), defaultSchema); |
| LOGGER.log(Level.FINE, "Created default schema {0}", defaultSchema); |
| } else { |
| Schema schema = createJDBCSchema(schemaName, false, false).getSchema(); |
| newSchemas.put(schemaName, schema); |
| LOGGER.log(Level.FINE, "Created schema {0}", schema); |
| } |
| } |
| } |
| } finally { |
| if (rs != null) { |
| rs.close(); |
| } |
| } |
| } else { |
| LOGGER.info(this + " returns null from jdbcMetadata.getDmd().getSchemas()."); |
| } |
| } |
| if (newSchemas.isEmpty() && !jdbcMetadata.getDmd().supportsSchemasInTableDefinitions()) { |
| syntheticSchema = createJDBCSchema(null, _default, true).getSchema(); |
| if (_default) { |
| defaultSchema = syntheticSchema; |
| } |
| LOGGER.log(Level.FINE, "Created synthetic schema {0}", syntheticSchema); |
| } |
| } catch (SQLException e) { |
| throw new MetadataException(e); |
| } |
| schemas = Collections.unmodifiableMap(newSchemas); |
| } |
| |
| private Map<String, Schema> initSchemas() { |
| if (schemas != null) { |
| return schemas; |
| } |
| LOGGER.log(Level.FINE, "Initializing schemas in {0}", this); |
| createSchemas(); |
| return schemas; |
| } |
| |
| public final JDBCMetadata getJDBCMetadata() { |
| return jdbcMetadata; |
| } |
| } |