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DatabaseCharsetChecker.java
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/
DatabaseCharsetChecker.java
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/*
* SonarQube
* Copyright (C) 2009-2016 SonarSource SA
* mailto:contact AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.db.charset;
import com.google.common.annotations.VisibleForTesting;
import java.sql.Connection;
import java.sql.SQLException;
import javax.annotation.CheckForNull;
import org.sonar.db.Database;
import org.sonar.db.dialect.Dialect;
import org.sonar.db.dialect.H2;
import org.sonar.db.dialect.MsSql;
import org.sonar.db.dialect.MySql;
import org.sonar.db.dialect.Oracle;
import org.sonar.db.dialect.PostgreSql;
/**
* On fresh installations, checks that all db columns are UTF8. On all installations on MySQL or MSSQL,
* whatever fresh or upgrade, fixes case-insensitive columns by converting them to
* case-sensitive.
*
* See SONAR-6171 and SONAR-7549
*/
public class DatabaseCharsetChecker {
public enum State {
FRESH_INSTALL, UPGRADE, STARTUP
}
private final Database db;
private final SqlExecutor sqlExecutor;
public DatabaseCharsetChecker(Database db) {
this(db, new SqlExecutor());
}
@VisibleForTesting
DatabaseCharsetChecker(Database db, SqlExecutor sqlExecutor) {
this.db = db;
this.sqlExecutor = sqlExecutor;
}
public void check(State state) {
try (Connection connection = db.getDataSource().getConnection()) {
CharsetHandler handler = getHandler(db.getDialect());
if (handler != null) {
handler.handle(connection, state);
}
} catch (SQLException e) {
throw new IllegalStateException(e);
}
}
@VisibleForTesting
@CheckForNull
CharsetHandler getHandler(Dialect dialect) {
switch (dialect.getId()) {
case H2.ID:
// nothing to check
return null;
case Oracle.ID:
return new OracleCharsetHandler(sqlExecutor);
case PostgreSql.ID:
return new PostgresCharsetHandler(sqlExecutor, new PostgresMetadataReader(sqlExecutor));
case MySql.ID:
return new MysqlCharsetHandler(sqlExecutor);
case MsSql.ID:
return new MssqlCharsetHandler(sqlExecutor, new MssqlMetadataReader(sqlExecutor));
default:
throw new IllegalArgumentException("Database not supported: " + dialect.getId());
}
}
}