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.namedparam; 018 019import org.springframework.jdbc.core.JdbcTemplate; 020import org.springframework.jdbc.core.support.JdbcDaoSupport; 021import org.springframework.lang.Nullable; 022 023/** 024 * Extension of JdbcDaoSupport that exposes a NamedParameterJdbcTemplate as well. 025 * 026 * @author Thomas Risberg 027 * @author Juergen Hoeller 028 * @since 2.0 029 * @see NamedParameterJdbcTemplate 030 */ 031public class NamedParameterJdbcDaoSupport extends JdbcDaoSupport { 032 033 @Nullable 034 private NamedParameterJdbcTemplate namedParameterJdbcTemplate; 035 036 037 /** 038 * Create a NamedParameterJdbcTemplate based on the configured JdbcTemplate. 039 */ 040 @Override 041 protected void initTemplateConfig() { 042 JdbcTemplate jdbcTemplate = getJdbcTemplate(); 043 if (jdbcTemplate != null) { 044 this.namedParameterJdbcTemplate = new NamedParameterJdbcTemplate(jdbcTemplate); 045 } 046 } 047 048 /** 049 * Return a NamedParameterJdbcTemplate wrapping the configured JdbcTemplate. 050 */ 051 @Nullable 052 public NamedParameterJdbcTemplate getNamedParameterJdbcTemplate() { 053 return this.namedParameterJdbcTemplate; 054 } 055 056}