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}