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}