LogAspect

import java.util.List; import org.aspectj.lang.JoinPoint; import org.aspectj.lang.Signature; public class LogAspect { public void before(JoinPoint joinPoint) { StringBuffer sb = new StringBuffer(); sb.append(getFullName(joinPoint)); sb.append(" (before)"); sb.append(getArgs(joinPoint)); MyLogger.debug(sb.toString()); } public void afterReturning(JoinPoint joinPoint, Object ret) {         StringBuffer sb = new StringBuffer();         sb.append(getFullName(joinPoint));         sb.append(" (afterReturning)");                  if (ret instanceof List) {             List list = (List) ret;             if (list == null) {                 sb.append("\n" + "    " + "LIST, " + "null");             } else {                 sb.append("\n" + "    " + "LIST, " + list.size() + " 건");             }         } else {             sb.append("\n" + "    " + ret);         }          MyLogger.debug(sb.toString()); } public void afterThrowing(JoinPoint joinPoint, Exception ex) { StringBuffer sb = new StringBuffer(); sb.append(getFullName(joinPoint)); sb.append(" (afterThrowing)"); sb.append(String.valueOf(ex)); MyLogger.debug(sb.toString()); } public void exceptionThrowing(JoinPoint joinPoint, Exception ex) { StringBuffer sb = new StringBuffer(); sb.append(getFullName(joinPoint)); sb.append(" (exceptionThrowing)"); sb.append(String.valueOf(ex)); MyLogger.debug(sb.toString()); } private String getFullName(JoinPoint joinPoint) { Signature signature = joinPoint.getSignature(); StringBuffer sb = new StringBuffer(); sb.append(signature.getDeclaringTypeName()); sb.append("."); sb.append(signature.getName()); return sb.toString(); } private String getArgs(JoinPoint joinPoint) { StringBuffer sb = new StringBuffer(); Object[] args = joinPoint.getArgs(); for (int i = 0; i < args.length; i++) { sb.append("\n" + "    " + i + ". " + args[i]); } return sb.toString(); } }