org.jivesoftware.smackx.NodeInformationProvider Maven / Gradle / Ivy

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Smack is an Open Source XMPP (Jabber) client library for instant messaging and presence. This library provides the client side functionality as specified in the core XMPP specifications as related to the client side of said specifications.

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/**
 * $RCSfile$
 * $Revision: 7071 $
 * $Date: 2007-02-11 18:59:05 -0600 (Sun, 11 Feb 2007) $
 *
 * Copyright 2003-2007 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.smackx;

import org.jivesoftware.smackx.packet.DiscoverInfo;
import org.jivesoftware.smackx.packet.DiscoverItems;

import java.util.List;


/**
 * The NodeInformationProvider is responsible for providing supported indentities, features
 * and hosted items (i.e. DiscoverItems.Item) about a given node. This information will be
 * requested each time this XMPPP client receives a disco info or items requests on the
 * given node. each time this XMPPP client receives a disco info or items requests on the
 * given node.
 *
 * @author Gaston Dombiak
 */
public interface NodeInformationProvider {
    
    /**
     * Returns a list of the Items {@link org.jivesoftware.smackx.packet.DiscoverItems.Item}
     * defined in the node. For example, the MUC protocol specifies that an XMPP client should 
     * answer an Item for each joined room when asked for the rooms where the use has joined.
     *  
     * @return a list of the Items defined in the node.
     */
    public abstract List getNodeItems();

    /**
     * Returns a list of the features defined in the node. For
     * example, the entity caps protocol specifies that an XMPP client
     * should answer with each feature supported by the client version
     * or extension.
     *
     * @return a list of the feature strings defined in the node.
     */
    public abstract List getNodeFeatures();

    /**
     * Returns a list of the indentites defined in the node. For
     * example, the x-command protocol must provide an identity of
     * category automation and type command-node for each command.
     *
     * @return a list of the Identities defined in the node.
     */
    public abstract List getNodeIdentities();

}