/*
* 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 com.facebook.presto.plugin.mysql;
import com.facebook.presto.plugin.jdbc.BaseJdbcConfig;
import com.facebook.presto.plugin.jdbc.JdbcClient;
import com.google.inject.Binder;
import com.google.inject.Scopes;
import com.mysql.jdbc.Driver;
import io.airlift.configuration.AbstractConfigurationAwareModule;
import java.sql.SQLException;
import java.util.Properties;
import static com.google.common.base.Preconditions.checkArgument;
import static io.airlift.configuration.ConfigBinder.configBinder;
public class MySqlClientModule
extends AbstractConfigurationAwareModule
{
@Override
protected void setup(Binder binder)
{
binder.bind(JdbcClient.class).to(MySqlClient.class).in(Scopes.SINGLETON);
ensureCatalogIsEmpty(buildConfigObject(BaseJdbcConfig.class).getConnectionUrl());
configBinder(binder).bindConfig(MySqlConfig.class);
}
private static void ensureCatalogIsEmpty(String connectionUrl)
{
try {
Driver driver = new Driver();
Properties urlProperties = driver.parseURL(connectionUrl, null);
checkArgument(urlProperties != null, "Invalid JDBC URL for MySQL connector");
checkArgument(driver.database(urlProperties) == null, "Database (catalog) must not be specified in JDBC URL for MySQL connector");
}
catch (SQLException e) {
throw new RuntimeException(e);
}
}
}