/*
* Copyright (c) 2013, OpenCloudDB/MyCAT and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software;Designed and Developed mainly by many Chinese
* opensource volunteers. you can redistribute it and/or modify it under the
* terms of the GNU General Public License version 2 only, as published by the
* Free Software Foundation.
*
* This code 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 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Any questions about this component can be directed to it's project Web address
* https://code.google.com/p/opencloudb/.
*
*/
package org.opencloudb.server.handler;
import org.opencloudb.server.ServerConnection;
import org.opencloudb.server.parser.ServerParse;
import org.opencloudb.server.parser.ServerParseShow;
import org.opencloudb.server.response.ShowCobarCluster;
import org.opencloudb.server.response.ShowCobarStatus;
import org.opencloudb.server.response.ShowDatabases;
import org.opencloudb.util.StringUtil;
/**
* @author mycat
*/
public final class ShowHandler {
public static void handle(String stmt, ServerConnection c, int offset) {
// 排除 “ ` ” 符号
stmt = StringUtil.replaceChars(stmt, "`", null);
switch (ServerParseShow.parse(stmt, offset)) {
case ServerParseShow.DATABASES:
ShowDatabases.response(c);
break;
case ServerParseShow.COBAR_STATUS:
ShowCobarStatus.response(c);
break;
case ServerParseShow.COBAR_CLUSTER:
ShowCobarCluster.response(c);
break;
default:
c.execute(stmt, ServerParse.SHOW);
}
}
}