com.mysql.cj.jdbc.util.ResultSetUtil Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of mysql-connector-java
Show all versions of mysql-connector-java
JDBC Type 4 driver for MySQL
/*
* Copyright (c) 2002, 2018, Oracle and/or its affiliates. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 2.0, as published by the
* Free Software Foundation.
*
* This program is also distributed with certain software (including but not
* limited to OpenSSL) that is licensed under separate terms, as designated in a
* particular file or component or in included license documentation. The
* authors of MySQL hereby grant you an additional permission to link the
* program and your derivative works with the separately licensed software that
* they have included with MySQL.
*
* Without limiting anything contained in the foregoing, this file, which is
* part of MySQL Connector/J, is also subject to the Universal FOSS Exception,
* version 1.0, a copy of which can be found at
* http://oss.oracle.com/licenses/universal-foss-exception.
*
* 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 General Public License, version 2.0,
* for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package com.mysql.cj.jdbc.util;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Map;
/**
* Utilities for dealing with result sets (used in testcases and profiler).
*/
public class ResultSetUtil {
@SuppressWarnings({ "rawtypes", "unchecked" })
public static void resultSetToMap(Map mappedValues, ResultSet rs) throws SQLException {
while (rs.next()) {
mappedValues.put(rs.getObject(1), rs.getObject(2));
}
}
@SuppressWarnings({ "rawtypes", "unchecked" })
public static void resultSetToMap(Map mappedValues, java.sql.ResultSet rs, int key, int value) throws SQLException {
while (rs.next()) {
mappedValues.put(rs.getObject(key), rs.getObject(value));
}
}
/**
* Given a ResultSet and an index into the columns of that ResultSet, read
* binary data from the column which represents a serialized object, and
* re-create the object.
*
* @param resultSet
* the ResultSet to use.
* @param index
* an index into the ResultSet.
* @return the object if it can be de-serialized
* @throws IOException
* if an error occurs
* @throws SQLException
* if an error occurs
* @throws ClassNotFoundException
* if an error occurs
*/
// TODO not used ?
public static Object readObject(java.sql.ResultSet resultSet, int index) throws IOException, SQLException, ClassNotFoundException {
ObjectInputStream objIn = new ObjectInputStream(resultSet.getBinaryStream(index));
Object obj = objIn.readObject();
objIn.close();
return obj;
}
}