/*
 * Copyright 2002-2004 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 org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.util.ClassLoaderUtils;

/**
 * Trivial classloader analyzer interceptor.
 * @version $Id: ClassLoaderAnalyzerInterceptor.java,v 1.2 2004/03/18 02:46:09 trisberg Exp $
 * @author Rod Johnson
 * @author Dmitriy Kopylenko
 */
public class ClassLoaderAnalyzerInterceptor implements MethodInterceptor {

	protected final Log logger = LogFactory.getLog(getClass());

	public Object invoke(MethodInvocation pInvocation) throws Throwable {
		logger.debug("Begin class loader analysis");

		logger.info(ClassLoaderUtils.showClassLoaderHierarchy(
			pInvocation.getThis(),
			pInvocation.getThis().getClass().getName(),
			"\n",
			"-"));
		Object rval = pInvocation.proceed();

		logger.debug("End class loader analysis");
		return rval;
	}

}