/*
* Copyright 2002-2009 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
*
* http://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.jdbc.datasource.embedded;
import java.sql.Driver;
import org.springframework.util.ClassUtils;
/**
* Initializes an HSQL embedded database instance.
* Call {@link #getInstance()} to get the singleton instance of this class.
*
* @author Keith Donald
* @author Oliver Gierke
* @since 3.0
*/
final class HsqlEmbeddedDatabaseConfigurer extends AbstractEmbeddedDatabaseConfigurer {
private static HsqlEmbeddedDatabaseConfigurer INSTANCE;
private final Class<? extends Driver> driverClass;
/**
* Get the singleton {@link HsqlEmbeddedDatabaseConfigurer} instance.
* @return the configurer
* @throws ClassNotFoundException if HSQL is not on the classpath
*/
@SuppressWarnings("unchecked")
public static synchronized HsqlEmbeddedDatabaseConfigurer getInstance() throws ClassNotFoundException {
if (INSTANCE == null) {
INSTANCE = new HsqlEmbeddedDatabaseConfigurer(
(Class<? extends Driver>) ClassUtils.forName("org.hsqldb.jdbcDriver", HsqlEmbeddedDatabaseConfigurer.class.getClassLoader()));
}
return INSTANCE;
}
private HsqlEmbeddedDatabaseConfigurer(Class<? extends Driver> driverClass) {
this.driverClass = driverClass;
}
public void configureConnectionProperties(ConnectionProperties properties, String databaseName) {
properties.setDriverClass(this.driverClass);
properties.setUrl("jdbc:hsqldb:mem:" + databaseName);
properties.setUsername("sa");
properties.setPassword("");
}
}
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