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DataSourceInitializationConfiguration.java
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DataSourceInitializationConfiguration.java
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/*
* Copyright 2012-2021 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.boot.autoconfigure.sql.init;
import javax.sql.DataSource;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnSingleCandidate;
import org.springframework.boot.jdbc.DataSourceBuilder;
import org.springframework.boot.jdbc.init.DataSourceScriptDatabaseInitializer;
import org.springframework.boot.sql.init.AbstractScriptDatabaseInitializer;
import org.springframework.boot.sql.init.DatabaseInitializationSettings;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.jdbc.datasource.SimpleDriverDataSource;
import org.springframework.util.StringUtils;
@Configuration(proxyBeanMethods = false)
@ConditionalOnMissingBean(AbstractScriptDatabaseInitializer.class)
@ConditionalOnSingleCandidate(DataSource.class)
class DataSourceInitializationConfiguration {
@Bean
DataSourceScriptDatabaseInitializer dataSourceScriptDatabaseInitializer(DataSource dataSource,
SqlInitializationProperties initializationProperties) {
DatabaseInitializationSettings settings = SettingsCreator.createFrom(initializationProperties);
return new DataSourceScriptDatabaseInitializer(determineDataSource(dataSource,
initializationProperties.getUsername(), initializationProperties.getPassword()), settings);
}
private static DataSource determineDataSource(DataSource dataSource, String username, String password) {
if (StringUtils.hasText(username) && StringUtils.hasText(password)) {
return DataSourceBuilder.derivedFrom(dataSource).username(username).password(password)
.type(SimpleDriverDataSource.class).build();
}
return dataSource;
}
}