83 lines
3.1 KiB
Java
83 lines
3.1 KiB
Java
/* RegisterableService.java -- An interface for service providers.
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Copyright (C) 2004, 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.imageio.spi;
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/**
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* An interface which service providers may optionally implement in
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* order to get notified when they are added or removed from a {@link
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* ServiceRegistry}.
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*
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* @since 1.4
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*
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* @author Sascha Brawer (brawer@dandelis.ch)
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*/
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public interface RegisterableService
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{
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/**
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* Informs this service provider that it has been registered in a
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* {@link ServiceRegistry}. If this provider gets registered as an
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* implementor for several service categories, its
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* <code>onRegistration</code> method will be called multiple times.
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*
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* @param registry the registry to which this service provider has
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* been added.
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*
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* @param category the service category for which this provider has
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* been registered as an implementor.
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*/
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void onRegistration(ServiceRegistry registry, Class<?> category);
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/**
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* Informs this service provider that it has been de-registered from
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* a {@link ServiceRegistry}. If this provider had been registered
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* as an implementor for several service categories, its
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* <code>onDeregistration</code> method will be called multiple
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* times.
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*
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* @param registry the registry from which this service provider has
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* been removed.
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*
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* @param category the service category for which this provider has
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* been registered as an implementor.
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*/
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void onDeregistration(ServiceRegistry registry, Class<?> category);
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}
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