001/*
002 * Copyright 2012-2016 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 *      http://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.boot.autoconfigure.jdbc;
018
019import javax.sql.DataSource;
020
021import org.springframework.boot.autoconfigure.AutoConfigureAfter;
022import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
023import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
024import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
025import org.springframework.boot.autoconfigure.condition.ConditionalOnSingleCandidate;
026import org.springframework.context.annotation.Bean;
027import org.springframework.context.annotation.Configuration;
028import org.springframework.context.annotation.Primary;
029import org.springframework.jdbc.core.JdbcOperations;
030import org.springframework.jdbc.core.JdbcTemplate;
031import org.springframework.jdbc.core.namedparam.NamedParameterJdbcOperations;
032import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
033
034/**
035 * {@link EnableAutoConfiguration Auto-configuration} for {@link JdbcTemplate} and
036 * {@link NamedParameterJdbcTemplate}.
037 *
038 * @author Dave Syer
039 * @author Phillip Webb
040 * @author Stephane Nicoll
041 * @author Kazuki Shimizu
042 * @since 1.4.0
043 */
044@Configuration
045@ConditionalOnClass({ DataSource.class, JdbcTemplate.class })
046@ConditionalOnSingleCandidate(DataSource.class)
047@AutoConfigureAfter(DataSourceAutoConfiguration.class)
048public class JdbcTemplateAutoConfiguration {
049
050        private final DataSource dataSource;
051
052        public JdbcTemplateAutoConfiguration(DataSource dataSource) {
053                this.dataSource = dataSource;
054        }
055
056        @Bean
057        @Primary
058        @ConditionalOnMissingBean(JdbcOperations.class)
059        public JdbcTemplate jdbcTemplate() {
060                return new JdbcTemplate(this.dataSource);
061        }
062
063        @Bean
064        @Primary
065        @ConditionalOnMissingBean(NamedParameterJdbcOperations.class)
066        public NamedParameterJdbcTemplate namedParameterJdbcTemplate() {
067                return new NamedParameterJdbcTemplate(this.dataSource);
068        }
069
070}