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JDBC Type 4 driver for MySQL
/*
* Copyright (c) 2017, 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.mysqla.io;
import com.mysql.cj.api.mysqla.io.NativeProtocol.IntegerDataType;
import com.mysql.cj.api.mysqla.io.NativeProtocol.StringLengthDataType;
import com.mysql.cj.api.mysqla.io.PacketPayload;
import com.mysql.cj.core.util.StringUtils;
import com.mysql.cj.mysqla.MysqlaConstants;
public class CommandBuilder {
// TODO unify CommandBuilder and MessageBuilder
public CommandBuilder() {
}
public PacketPayload buildComQuery(PacketPayload sharedPacket, byte[] query) {
PacketPayload packet = sharedPacket != null ? sharedPacket : new Buffer(query.length + 1);
packet.writeInteger(IntegerDataType.INT1, MysqlaConstants.COM_QUERY);
packet.writeBytes(StringLengthDataType.STRING_FIXED, query);
return packet;
}
public PacketPayload buildComQuery(PacketPayload sharedPacket, String query) {
return buildComQuery(sharedPacket, StringUtils.getBytes(query));
}
public PacketPayload buildComQuery(PacketPayload sharedPacket, String query, String encoding) {
return buildComQuery(sharedPacket, StringUtils.getBytes(query, encoding));
}
public PacketPayload buildComInitDb(PacketPayload sharedPacket, byte[] dbName) {
PacketPayload packet = sharedPacket != null ? sharedPacket : new Buffer(dbName.length + 1);
packet.writeInteger(IntegerDataType.INT1, MysqlaConstants.COM_INIT_DB);
packet.writeBytes(StringLengthDataType.STRING_FIXED, dbName);
return packet;
}
public PacketPayload buildComInitDb(PacketPayload sharedPacket, String dbName) {
return buildComInitDb(sharedPacket, StringUtils.getBytes(dbName));
}
public PacketPayload buildComShutdown(PacketPayload sharedPacket) {
PacketPayload packet = sharedPacket != null ? sharedPacket : new Buffer(1);
packet.writeInteger(IntegerDataType.INT1, MysqlaConstants.COM_SHUTDOWN);
return packet;
}
public PacketPayload buildComSetOption(PacketPayload sharedPacket, int val) {
PacketPayload packet = sharedPacket != null ? sharedPacket : new Buffer(3);
packet.writeInteger(IntegerDataType.INT1, MysqlaConstants.COM_SET_OPTION);
packet.writeInteger(IntegerDataType.INT2, val);
return packet;
}
public PacketPayload buildComPing(PacketPayload sharedPacket) {
PacketPayload packet = sharedPacket != null ? sharedPacket : new Buffer(1);
packet.writeInteger(IntegerDataType.INT1, MysqlaConstants.COM_PING);
return packet;
}
public PacketPayload buildComQuit(PacketPayload sharedPacket) {
PacketPayload packet = sharedPacket != null ? sharedPacket : new Buffer(1);
packet.writeInteger(IntegerDataType.INT1, MysqlaConstants.COM_QUIT);
return packet;
}
public PacketPayload buildComStmtPrepare(PacketPayload sharedPacket, byte[] query) {
PacketPayload packet = sharedPacket != null ? sharedPacket : new Buffer(query.length + 1);
packet.writeInteger(IntegerDataType.INT1, MysqlaConstants.COM_STMT_PREPARE);
packet.writeBytes(StringLengthDataType.STRING_FIXED, query);
return packet;
}
public PacketPayload buildComStmtPrepare(PacketPayload sharedPacket, String queryString, String characterEncoding) {
return buildComStmtPrepare(sharedPacket, StringUtils.getBytes(queryString, characterEncoding));
}
public PacketPayload buildComStmtClose(PacketPayload sharedPacket, long serverStatementId) {
PacketPayload packet = sharedPacket != null ? sharedPacket : new Buffer(5);
packet.writeInteger(IntegerDataType.INT1, MysqlaConstants.COM_STMT_CLOSE);
packet.writeInteger(IntegerDataType.INT4, serverStatementId);
return packet;
}
public PacketPayload buildComStmtReset(PacketPayload sharedPacket, long serverStatementId) {
PacketPayload packet = sharedPacket != null ? sharedPacket : new Buffer(5);
packet.writeInteger(IntegerDataType.INT1, MysqlaConstants.COM_STMT_RESET);
packet.writeInteger(IntegerDataType.INT4, serverStatementId);
return packet;
}
public PacketPayload buildComStmtFetch(PacketPayload sharedPacket, long serverStatementId, long numRowsToFetch) {
PacketPayload packet = sharedPacket != null ? sharedPacket : new Buffer(9);
packet.writeInteger(IntegerDataType.INT1, MysqlaConstants.COM_STMT_FETCH);
packet.writeInteger(IntegerDataType.INT4, serverStatementId);
packet.writeInteger(IntegerDataType.INT4, numRowsToFetch);
return packet;
}
public PacketPayload buildComStmtSendLongData(PacketPayload sharedPacket, long serverStatementId, int parameterIndex, byte[] longData) {
PacketPayload packet = sharedPacket != null ? sharedPacket : new Buffer(9);
packet.writeInteger(IntegerDataType.INT1, MysqlaConstants.COM_STMT_SEND_LONG_DATA);
packet.writeInteger(IntegerDataType.INT4, serverStatementId);
packet.writeInteger(IntegerDataType.INT2, parameterIndex);
packet.writeBytes(StringLengthDataType.STRING_FIXED, longData);
return packet;
}
}