Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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.commons.dbcp2; import org.apache.commons.logging.Log; import org.apache.commons.pool2.SwallowedExceptionListener; /** * Class for logging swallowed exceptions. * @version $Id: SwallowedExceptionLogger.java 1651275 2015-01-13 04:11:09Z psteitz $ * @since 2.0 */ public class SwallowedExceptionLogger implements SwallowedExceptionListener { private final Log log; private final boolean logExpiredConnections; /** * Create a SwallowedExceptionLogger with the given logger. By default, * expired connection logging is turned on. * * @param log logger */ public SwallowedExceptionLogger(Log log) { this(log, true); } /** * Create a SwallowedExceptionLogger with the given logger and expired * connection logging property. * * @param log logger * @param logExpiredConnections false suppresses logging of expired connection events */ public SwallowedExceptionLogger(Log log, boolean logExpiredConnections) { this.log = log; this.logExpiredConnections = logExpiredConnections; } @Override public void onSwallowException(Exception e) { if (logExpiredConnections || !(e instanceof LifetimeExceededException)) { log.warn(Utils.getMessage("swallowedExceptionLogger.onSwallowedException"), e); } } }