001/** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.activemq; 018 019import org.apache.activemq.transport.Transport; 020 021import java.io.IOException; 022 023/** 024 * @author <a href="http://hiramchirino.com">Hiram Chirino</a> 025 */ 026public class TransportLoggerSupport { 027 028 public static String defaultLogWriterName = "default"; 029 030 public static interface SPI { 031 public Transport createTransportLogger(Transport transport) throws IOException; 032 public Transport createTransportLogger(Transport transport, String logWriterName, boolean dynamicManagement, boolean startLogging, int jmxPort) throws IOException; 033 } 034 035 final static public SPI spi; 036 static { 037 SPI temp; 038 try { 039 temp = (SPI) TransportLoggerSupport.class.getClassLoader().loadClass("org.apache.activemq.transport.TransportLoggerFactorySPI").newInstance(); 040 } catch (Throwable e) { 041 temp = null; 042 } 043 spi = temp; 044 } 045 046 public static Transport createTransportLogger(Transport transport) throws IOException { 047 if( spi!=null ) { 048 return spi.createTransportLogger(transport); 049 } else { 050 return transport; 051 } 052 } 053 054 public static Transport createTransportLogger(Transport transport, String logWriterName, boolean dynamicManagement, boolean startLogging, int jmxPort) throws IOException { 055 if( spi!=null ) { 056 return spi.createTransportLogger(transport, logWriterName, dynamicManagement, startLogging, jmxPort); 057 } else { 058 return transport; 059 } 060 } 061 062}