/*
* Copyright (C) 2004-2006 Jive Software. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jivesoftware.xmpp.workgroup.disco;
import java.util.Collection;
/**
* DiscoFeaturesProvider are responsible for answering features offered by the workgroup service.
* Whenever a disco request is received IQDiscoInfoHandler will ask all the registered
* DiscoFeaturesProvider for their features. Each DiscoFeaturesProvider may decide to return
* a given feature based on its state.<p>
*
* The email service is a good example of a supported feature that may or may not be available
* depending on whether it was properly configured or not.
*
* @author Gaston Dombiak
*/
public interface DiscoFeaturesProvider {
/**
* Returns a collection of Strings with the supported features. The list may vary in time
* since different features may be related to valid configurations or users activating or
* deactivating a given feature.
*
* @return a collection of Strings with the supported features.
*/
public abstract Collection<String> getFeatures();
}