de.femodeling.e4.server.internal.exception.ServiceExceptionAdvice.java Source code

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Here is the source code for de.femodeling.e4.server.internal.exception.ServiceExceptionAdvice.java

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/**
 * ServiceExceptionAdvice.java created on 27.02.2009
 * 
 * Copyright (c) 2011-2012 Paul-Edouard Munch
 * All rights reserved.
 *
 * This program and the accompanying materials are proprietary information
 * of Paul-Edouard Munch. Use is subject to license terms.
 */
package de.femodeling.e4.server.internal.exception;

import org.apache.log4j.Logger;
import org.springframework.aop.ThrowsAdvice;

/**
 * An Advice that catches all {@link Throwable}s execpt the
 * {@link SessionExpiredException} and converts the to a
 * {@link ServiceException} instance.
 * 
 * @author Paul-Edouard Munch
 */
public class ServiceExceptionAdvice implements ThrowsAdvice {

    private static Logger logger = Logger.getLogger(ServiceExceptionAdvice.class);

    /**
     * @param throwable
     *            The {@link Throwable} cause
     * @throws Throwable
     */
    public void afterThrowing(Throwable throwable) throws Throwable {
        logger.info("Exception of type <" + throwable.getClass().getName() + " traced");
        if (throwable instanceof ServiceException) {
            throw throwable;
        }
        if (throwable instanceof SessionExpiredException) {
            throw throwable;
        }
        throw new ServiceException(throwable);
    }
}