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DataSourceScriptDatabaseInitializer.java
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DataSourceScriptDatabaseInitializer.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.jdbc.init;
import java.nio.charset.Charset;
import java.util.List;
import javax.sql.DataSource;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.boot.jdbc.EmbeddedDatabaseConnection;
import org.springframework.boot.sql.init.AbstractScriptDatabaseInitializer;
import org.springframework.boot.sql.init.DatabaseInitializationSettings;
import org.springframework.core.io.Resource;
import org.springframework.jdbc.datasource.init.DatabasePopulatorUtils;
import org.springframework.jdbc.datasource.init.ResourceDatabasePopulator;
/**
* {@link InitializingBean} that performs {@link DataSource} initialization using schema
* (DDL) and data (DML) scripts.
*
* @author Andy Wilkinson
* @since 2.5.0
*/
public class DataSourceScriptDatabaseInitializer extends AbstractScriptDatabaseInitializer {
private final DataSource dataSource;
/**
* Creates a new {@link DataSourceScriptDatabaseInitializer} that will initialize the
* given {@code DataSource} using the given settings.
* @param dataSource data source to initialize
* @param settings initialization settings
*/
public DataSourceScriptDatabaseInitializer(DataSource dataSource, DatabaseInitializationSettings settings) {
super(settings);
this.dataSource = dataSource;
}
/**
* Returns the {@code DataSource} that will be initialized.
* @return the initialization data source
*/
protected final DataSource getDataSource() {
return this.dataSource;
}
@Override
protected boolean isEmbeddedDatabase() {
return EmbeddedDatabaseConnection.isEmbedded(this.dataSource);
}
@Override
protected void runScripts(List<Resource> resources, boolean continueOnError, String separator, Charset encoding) {
ResourceDatabasePopulator populator = new ResourceDatabasePopulator();
populator.setContinueOnError(continueOnError);
populator.setSeparator(separator);
if (encoding != null) {
populator.setSqlScriptEncoding(encoding.name());
}
for (Resource resource : resources) {
populator.addScript(resource);
}
DatabasePopulatorUtils.execute(populator, this.dataSource);
}
}