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
022import org.springframework.lang.Nullable;
023
024/**
025 * Derby specific implementation for the {@link CallMetaDataProvider} interface.
026 * This class is intended for internal use by the Simple JDBC classes.
027 *
028 * @author Thomas Risberg
029 * @author Juergen Hoeller
030 * @since 2.5
031 */
032public class DerbyCallMetaDataProvider extends GenericCallMetaDataProvider {
033
034        public DerbyCallMetaDataProvider(DatabaseMetaData databaseMetaData) throws SQLException {
035                super(databaseMetaData);
036        }
037
038
039        @Override
040        @Nullable
041        public String metaDataSchemaNameToUse(@Nullable String schemaName) {
042                if (schemaName != null) {
043                        return super.metaDataSchemaNameToUse(schemaName);
044                }
045
046                // Use current user schema if no schema specified...
047                String userName = getUserName();
048                return (userName != null ? userName.toUpperCase() : null);
049        }
050
051}