001/*
002 *  Copyright 2012 Anyware Services
003 *
004 *  Licensed under the Apache License, Version 2.0 (the "License");
005 *  you may not use this file except in compliance with the License.
006 *  You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 *  Unless required by applicable law or agreed to in writing, software
011 *  distributed under the License is distributed on an "AS IS" BASIS,
012 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *  See the License for the specific language governing permissions and
014 *  limitations under the License.
015 */
016package org.ametys.core.version;
017
018import java.util.Collection;
019
020/**
021 * Administrator component able to determine the content of the "Versions" panel in the administrator area.<br>
022 * It may includes plugins versions, Runtime version, application version, ...
023 */
024public interface VersionsHandler
025{
026    /** Avalon Role */
027    public static final String ROLE = VersionsHandler.class.getName();
028    
029    /**
030     * Returns all Versions to be displayed in the administrator area
031     * @return all Versions to be displayed in the administrator area
032     */
033    public Collection<Version> getVersions();
034}