Java tutorial
/* * Copyright (c) 2008-2016 Haulmont. * * 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 com.haulmont.cuba.core.sys; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.aspectj.lang.ProceedingJoinPoint; /** * Intercepts invocations of methods defined in {@code *MBean} interfaces. * <br> Sets the thread context classloader to the webapp classloader and logs exceptions. */ public class MBeanInterceptor { private static final Logger log = LoggerFactory.getLogger(MBeanInterceptor.class); @SuppressWarnings("UnusedDeclaration") private Object aroundInvoke(ProceedingJoinPoint ctx) throws Throwable { Thread.currentThread().setContextClassLoader(getClass().getClassLoader()); if (log.isTraceEnabled()) log.trace("Invoking: " + ctx.getSignature()); try { Object res = ctx.proceed(); return res; } catch (Throwable e) { log.error("MBeanInterceptor caught exception: ", e); throw e; } } }