net.sf.log4jdbc.SpyLogFactory Maven / Gradle / Ivy
/**
* Copyright 2007-2010 Arthur Blake
*
* 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 net.sf.log4jdbc;
/**
* A provider for a SpyLogDelegator. This allows a single switch point to abstract
* away which logging system to use for spying on JDBC calls.
*
* The SLF4J logging facade is used, which is a very good general purpose facade for plugging into
* numerous java logging systems, simply and easily.
*
* @author Arthur Blake
* @author Tim Azzopardi Allow the SpyLogDelegator to be set
*/
public class SpyLogFactory
{
/**
* Do not allow instantiation. Access is through static method.
*/
private SpyLogFactory() {}
/**
* The logging system of choice.
*/
private static SpyLogDelegator logger = new Slf4jSpyLogDelegator();
//new Log4jSpyLogDelegator();
/**
* Get the default SpyLogDelegator for logging to the logger.
*
* @return the default SpyLogDelegator for logging to the logger.
*/
public static SpyLogDelegator getSpyLogDelegator()
{
return logger;
}
/**
* Optionally override the {@link SpyLogDelegator} implementation
* and thus take more control over the logging.
* Note: It is the caller's responsibility to make sure this is set before
* JDBC activity occurs and to ensure thread safety.
*
* @param logDelegator the log delegator responsible for actually logging
* JDBC events.
*/
public static void setSpyLogDelegator(SpyLogDelegator logDelegator) {
if (logDelegator == null) {
throw new IllegalArgumentException("log4jdbc: logDelegator cannot be null.");
}
logger = logDelegator;
}
}