com.caucho.quercus.lib.db.StatementType Maven / Gradle / Ivy
/*
* Copyright (c) 1998-2012 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Nam Nguyen
*/
package com.caucho.quercus.lib.db;
public enum StatementType
{
SELECT, UPDATE, DELETE, INSERT, CREATE, DROP,
ALTER, BEGIN, DECLARE, ROLLBACK, SET, UNKNOWN;
public static StatementType getStatementType(String query)
{
int len = query.length();
int i = 0;
while (i < len && Character.isWhitespace(query.charAt(i))) {
i++;
}
if (i + 1 >= len) {
return UNKNOWN;
}
int start = i;
while (i < len && ! Character.isWhitespace(query.charAt(i))) {
i++;
}
String token = query.substring(start, i);
if ("SELECT".equalsIgnoreCase(token)) {
return SELECT;
}
else if ("UPDATE".equalsIgnoreCase(token)) {
return UPDATE;
}
else if ("DELETE".equalsIgnoreCase(token)) {
return DELETE;
}
else if ("INSERT".equalsIgnoreCase(token)) {
return INSERT;
}
else if ("CREATE".equalsIgnoreCase(token)) {
return CREATE;
}
else if ("DROP".equalsIgnoreCase(token)) {
return DROP;
}
else if ("ALTER".equalsIgnoreCase(token)) {
return ALTER;
}
else if ("BEGIN".equalsIgnoreCase(token)) {
return BEGIN;
}
else if ("DECLARE".equalsIgnoreCase(token)) {
return DECLARE;
}
else if ("ROLLBACK".equalsIgnoreCase(token)) {
return ROLLBACK;
}
else if ("SET".equalsIgnoreCase(token)) {
return SET;
}
else {
return UNKNOWN;
}
}
}