001/* 002 * Copyright 2002-2007 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 * SQL Server 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 * @since 2.5 028 */ 029public class SqlServerCallMetaDataProvider extends GenericCallMetaDataProvider { 030 031 private static final String REMOVABLE_COLUMN_PREFIX = "@"; 032 033 private static final String RETURN_VALUE_NAME = "@RETURN_VALUE"; 034 035 036 public SqlServerCallMetaDataProvider(DatabaseMetaData databaseMetaData) throws SQLException { 037 super(databaseMetaData); 038 } 039 040 041 @Override 042 public String parameterNameToUse(String parameterName) { 043 if (parameterName == null) { 044 return null; 045 } 046 else if (parameterName.length() > 1 && parameterName.startsWith(REMOVABLE_COLUMN_PREFIX)) { 047 return super.parameterNameToUse(parameterName.substring(1)); 048 } 049 else { 050 return super.parameterNameToUse(parameterName); 051 } 052 } 053 054 @Override 055 public boolean byPassReturnParameter(String parameterName) { 056 return (RETURN_VALUE_NAME.equals(parameterName) || super.byPassReturnParameter(parameterName)); 057 } 058 059}