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Smack extensions. Classes and methods that implement support for the various XMPP XEPs (Multi-User Chat, PubSub, …) and other XMPP extensions.

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/**
 *
 * Copyright the original author or authors
 *
 * 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.pubsub;

/**
 * This enumeration represents the access models for the PubSub node
 * as defined in the PubSub specification section 16.4.3.
 *
 * @author Robin Collier
 */
public enum AccessModel {

    /** Anyone may subscribe and retrieve items.     */
    open,

    /** Subscription request must be approved and only subscribers may retrieve items. */
    authorize,

    /** Anyone with a presence subscription of both or from may subscribe and retrieve items. */
    presence,

    /** Anyone in the specified roster group(s) may subscribe and retrieve items. */
    roster,

    /** Only those on a whitelist may subscribe and retrieve items. */
    whitelist;
}