ExtendableResourceRemovalListenerService.java

/*
 * Copyright (c) 2002-2016, Mairie de Paris
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  1. Redistributions of source code must retain the above copyright notice
 *     and the following disclaimer.
 *
 *  2. Redistributions in binary form must reproduce the above copyright notice
 *     and the following disclaimer in the documentation and/or other materials
 *     provided with the distribution.
 *
 *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
 *     contributors may be used to endorse or promote products derived from
 *     this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 *
 * License 1.0
 */
package fr.paris.lutece.portal.service.resource;

import java.util.ArrayList;
import java.util.List;

/**
 * Extendable Resource Removal Listener Service
 */
public final class ExtendableResourceRemovalListenerService
{
    private static List<IExtendableResourceRemovalListener> _listListeners = new ArrayList<IExtendableResourceRemovalListener>( );

    /** Private Constructor */
    private ExtendableResourceRemovalListenerService( )
    {
    }

    /**
     * Register an extendable resource removal listener.
     * 
     * @param removalListener
     *            The listener to register.
     */
    public static synchronized void registerListener( IExtendableResourceRemovalListener removalListener )
    {
        _listListeners.add( removalListener );
    }

    /**
     * Notify listeners that they must remove extensions of a given resource.
     * 
     * @param strExtendableResourceType
     *            The extendable resource type of the resource to remove the extensions of.
     * @param strExtendableResourceId
     *            The id of the extendable resource to remove the extensions of.
     */
    public static void doRemoveResourceExtentions( String strExtendableResourceType, String strExtendableResourceId )
    {
        for ( IExtendableResourceRemovalListener removalListener : _listListeners )
        {
            removalListener.doRemoveResourceExtentions( strExtendableResourceType, strExtendableResourceId );
        }
    }
}