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}