org.springframework.aop.interceptor.JamonPerformanceMonitorInterceptor Maven / Gradle / Ivy
/*
* Copyright 2002-2005 the original author or authors.
*
* 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.springframework.aop.interceptor;
import java.io.Serializable;
import com.jamonapi.Monitor;
import com.jamonapi.MonitorFactory;
import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Performance monitor interceptor that uses JAMon library
* to perfom the performance mesurment on the intercepted method
* and output the stats.
*
* This code is inspired by Thierry Templier's blog.
*
* @author Dmitriy Kopylenko
* @author Juergen Hoeller
* @since 1.1.3
*/
public class JamonPerformanceMonitorInterceptor implements MethodInterceptor, Serializable {
/** Static to avoid serializing the logger */
protected static final Log logger = LogFactory.getLog(JamonPerformanceMonitorInterceptor.class);
public Object invoke(MethodInvocation invocation) throws Throwable {
String name = invocation.getMethod().getDeclaringClass().getName() + "." + invocation.getMethod().getName();
Monitor mon = MonitorFactory.start(name);
try {
return invocation.proceed();
}
finally {
mon.stop();
if (logger.isInfoEnabled()) {
logger.info("JAMon performance statistics for method [" + name + "]:\n" + mon);
}
}
}
}