/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.jms.server.container;
import org.jboss.aop.advice.Interceptor;
import org.jboss.aop.joinpoint.Invocation;
import org.jboss.aop.joinpoint.MethodInvocation;
import org.jboss.logging.Logger;
import java.lang.reflect.Method;
/**
* @author <a href="mailto:ovidiu@jboss.org">Ovidiu Feodorov</a>
* @version <tt>$Revision: 731 $</tt>
*/
public class ServerLogInterceptor implements Interceptor
{
// Constants -----------------------------------------------------
private static final Logger log = Logger.getLogger(ServerLogInterceptor.class);
// Static --------------------------------------------------------
// Attributes ----------------------------------------------------
private boolean trace = log.isTraceEnabled();
// Constructors --------------------------------------------------
// Public --------------------------------------------------------
// Interceptor implementation ------------------------------------
public String getName()
{
return "ServerLogInterceptor";
}
public Object invoke(Invocation invocation) throws Throwable
{
Method method = null;
String methodName = null;
Object target = null;
if (trace)
{
target = invocation.getTargetObject();
if (!(invocation instanceof MethodInvocation))
{
log.trace("invoking non-method invocation: " + invocation + " on " + target);
}
else
{
MethodInvocation mi = (MethodInvocation)invocation;
method = mi.getMethod();
methodName = method.getName();
StringBuffer sb = new StringBuffer();
sb.append("invoking ").append(target).append('.').append(methodName).append('(');
Object[] args = mi.getArguments();
if (args != null)
{
for(int i = 0; i < args.length; i++)
{
// take special precautions to hide passwords
if ("createConnectionDelegate".equals(methodName) && i == 1)
{
sb.append("*****");
}
else
{
sb.append(args[i]);
}
if (i < args.length - 1)
{
sb.append(", ");
}
}
}
sb.append(')');
log.trace(sb.toString());
}
}
Object result = invocation.invokeNext();
if (trace)
{
if (method == null)
{
log.trace(invocation + " successfully invoked on " + target);
}
else
{
if (method.getReturnType() != Void.TYPE)
{
log.trace(target + "." + methodName + "() returned " + result);
}
else
{
log.trace(target + "." + methodName + "() OK");
}
}
}
return result;
}
// Package protected ---------------------------------------------
// Protected -----------------------------------------------------
// Private -------------------------------------------------------
// Inner classes -------------------------------------------------
}