001/*
002 * Copyright 2002-2018 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.jdbc.core.metadata;
018
019import java.sql.DatabaseMetaData;
020import java.sql.SQLException;
021
022/**
023 * DB2 specific implementation for the {@link CallMetaDataProvider} interface.
024 * This class is intended for internal use by the Simple JDBC classes.
025 *
026 * @author Thomas Risberg
027 * @author Juergen Hoeller
028 * @since 2.5
029 */
030public class Db2CallMetaDataProvider extends GenericCallMetaDataProvider {
031
032        public Db2CallMetaDataProvider(DatabaseMetaData databaseMetaData) throws SQLException {
033                super(databaseMetaData);
034        }
035
036
037        @Override
038        public void initializeWithMetaData(DatabaseMetaData databaseMetaData) throws SQLException {
039                try {
040                        setSupportsCatalogsInProcedureCalls(databaseMetaData.supportsCatalogsInProcedureCalls());
041                }
042                catch (SQLException ex) {
043                        logger.debug("Error retrieving 'DatabaseMetaData.supportsCatalogsInProcedureCalls' - " + ex.getMessage());
044                }
045                try {
046                        setSupportsSchemasInProcedureCalls(databaseMetaData.supportsSchemasInProcedureCalls());
047                }
048                catch (SQLException ex) {
049                        logger.debug("Error retrieving 'DatabaseMetaData.supportsSchemasInProcedureCalls' - " + ex.getMessage());
050                }
051                try {
052                        setStoresUpperCaseIdentifiers(databaseMetaData.storesUpperCaseIdentifiers());
053                }
054                catch (SQLException ex) {
055                        logger.debug("Error retrieving 'DatabaseMetaData.storesUpperCaseIdentifiers' - " + ex.getMessage());
056                }
057                try {
058                        setStoresLowerCaseIdentifiers(databaseMetaData.storesLowerCaseIdentifiers());
059                }
060                catch (SQLException ex) {
061                        logger.debug("Error retrieving 'DatabaseMetaData.storesLowerCaseIdentifiers' - " + ex.getMessage());
062                }
063        }
064
065        @Override
066        public String metaDataSchemaNameToUse(String schemaName) {
067                if (schemaName != null) {
068                        return super.metaDataSchemaNameToUse(schemaName);
069                }
070
071                // Use current user schema if no schema specified...
072                String userName = getUserName();
073                return (userName != null ? userName.toUpperCase() : null);
074        }
075
076}