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* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file 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.as.ejb3.component.interceptors;
import java.lang.reflect.Method;
import org.jboss.as.ee.component.Component;
import org.jboss.as.ejb3.logging.EjbLogger;
import org.jboss.as.ejb3.component.EJBComponent;
import org.jboss.as.ejb3.tx.ApplicationExceptionDetails;
import org.jboss.invocation.ImmediateInterceptorFactory;
import org.jboss.invocation.Interceptor;
import org.jboss.invocation.InterceptorContext;
import org.jboss.invocation.InterceptorFactory;
/**
* Logs any exceptions/errors that happen during invocation of EJB methods, as specified by the
* EJB3 spec, section 14.3
* <p/>
* Note: This should be the near the start of interceptor in the chain of interceptors, for this to be able to
* catch all kinds of errors/exceptions.
*
* It should also be run inside the exception transforming interceptor, to make sure that the original exception is logged
*
* @author Jaikiran Pai
*/
public class LoggingInterceptor implements Interceptor {
public static final InterceptorFactory FACTORY = new ImmediateInterceptorFactory(new LoggingInterceptor());
private LoggingInterceptor() {
}
@Override
public Object processInvocation(InterceptorContext interceptorContext) throws Exception {
try {
// we just pass on the control and do our work only when an exception occurs
return interceptorContext.proceed();
} catch (Throwable t) {
final EJBComponent component = (EJBComponent) interceptorContext.getPrivateData(Component.class);
final Method invokedMethod = interceptorContext.getMethod();
// check if it's an application exception. If yes, then *don't* log
final ApplicationExceptionDetails appException = component.getApplicationException(t.getClass(), invokedMethod);
if (appException == null) {
EjbLogger.EJB3_INVOCATION_LOGGER.invocationFailed(component.getComponentName(), invokedMethod, t);
}
if (t instanceof Exception) {
throw (Exception) t;
}
// Typically, this interceptor (which would be the first one in the chain) would catch Exception and not Throwable since the other EJB interceptors
// down the chain would have already wrapped the Throwable accordingly. However, if for some reason,
// the failure happened even before those interceptors could come into play, then we just wrap the throwable
// here and return it as an exception
throw new Exception(t);
}
}
}