/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This 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 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.resource.adapter.jdbc;
import java.io.Serializable;
import java.sql.Connection;
import java.sql.Statement;
import java.sql.SQLException;
/**
* Implements check valid connection sql
*
* @author <a href="mailto:adrian@jboss.org">Adrian Brock</a>
* @version $Revision: 71554 $
*/
public class CheckValidConnectionSQL
implements ValidConnectionChecker, Serializable
{
private static final long serialVersionUID = -222752863430216887L;
String sql;
public CheckValidConnectionSQL()
{
}
public CheckValidConnectionSQL(String sql)
{
this.sql = sql;
}
public SQLException isValidConnection(Connection c)
{
try
{
Statement s = c.createStatement();
try
{
s.execute(sql);
return null;
}
finally
{
s.close();
}
}
catch (SQLException e)
{
return e;
}
}
}