server/core/src/main/java/org/apache/vysper/xmpp/protocol/StateAwareProtocolWorker.java

/*
 *  Licensed to the Apache Software Foundation (ASF) under one
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 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you 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
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package org.apache.vysper.xmpp.protocol;

import org.apache.vysper.xmpp.server.InternalSessionContext;
import org.apache.vysper.xmpp.stanza.Stanza;

/**
 * this handler is aware of the session state and can act accordingly.
 * for every session state, a dedicated implementation exists.
 * the most interesting case is "authenticated", where the "common" XMPP happens (iq, message, presence)
 * special treatment has to be given to other states, which cover session handshake and shutdown.
 *
 * @author The Apache MINA Project (dev@mina.apache.org)
 */
public interface StateAwareProtocolWorker {

    void processStanza(InternalSessionContext sessionContext, SessionStateHolder sessionStateHolder, Stanza stanza,
					   StanzaHandler stanzaHandler);
}