logafteradvisor.java

Spring + DWR2 实现的Sina天气抓取

package org.signalon.weather.log;

import java.lang.reflect.Method;

import org.apache.log4j.Logger;
import org.springframework.aop.AfterReturningAdvice;

public class LogAfterAdvisor implements AfterReturningAdvice {

	public void afterReturning(Object returnValue, Method method, Object[] args, Object target) throws Throwable {
		Logger log = Logger.getLogger(target.getClass());

		StringBuffer buffer = new StringBuffer();

		if (args.length > 0) {

			for (int i = 0; i < args.length; i++) {

				Object arg = args[i];

				if (arg.getClass() == String.class) {
					buffer.append("\"").append(arg).append("\"");
				}

				if (i < args.length - 1) {
					buffer.append(", ");
				}
			}
		}

		log.info(target.getClass().getName() + "." + method.getName() + "(" + buffer.toString() + ") Finished!");
	}
}