/*
* Copyright 1999,2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package org.apache.log4j.jdbcplus;
import org.apache.log4j.spi.LoggingEvent;
/**
* This interface has to be implemented to provide dynamic sql-statements and
* its used in class JDBCLogger.
*
* @author
* <a href="mailto:t.fenner@klopotek.de">Thomas Fenner</a>
* @since 1.0
* @version see jdbcappender.jar/META-INF/MANIFEST.MF for version information
*/
public interface JDBCSqlHandler {
/**
* Get a sql-statement.
* Return null or empty string if nothing should be logged.
*
* @return The SQL statement. Null if there is nothing to log.
* @exception Exception
* Any Exception
*/
String getStatement(LoggingEvent event) throws Exception;
}