ExtensionFilter.java

/* Copyright (c) 2001 - 2007 TOPP - www.openplans.org. All rights reserved.
 * This code is licensed under the GPL 2.0 license, availible at the root
 * application directory.
 */
package org.geoserver.platform;

/**
 * Pluggable extension that can be used to filter out an extension point implementation before it
 * gets returned by {@link GeoServerExtensions#extensions(Class)}
 * 
 * @author Andrea Aime - OpenGeo
 */
public interface ExtensionFilter {

    /**
     * If any registered {@link ExtensionFilter} returns {@code true} the bean in question will be
     * removed from the list returned by {@link GeoServerExtensions#extensions(Class)}
     * 
     * @param beanId
     *            The bean id as registered in the Spring context, or {@code null} if the bean is
     *            coming from the GeoTools SPI bridge
     * @param bean
     *            The bean itself
     */
    boolean exclude(String beanId, Object bean);
}