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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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/**
 * 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.bytestreams;

import org.jivesoftware.smack.XMPPException;
import org.jivesoftware.smackx.bytestreams.ibb.InBandBytestreamRequest;
import org.jivesoftware.smackx.bytestreams.socks5.Socks5BytestreamRequest;

/**
 * BytestreamRequest provides an interface to handle incoming bytestream requests.
 * 
 * There are two implementations of the interface. See {@link Socks5BytestreamRequest} and
 * {@link InBandBytestreamRequest}.
 * 
 * @author Henning Staib
 */
public interface BytestreamRequest {

    /**
     * Returns the sender of the bytestream open request.
     * 
     * @return the sender of the bytestream open request
     */
    public String getFrom();

    /**
     * Returns the session ID of the bytestream open request.
     * 
     * @return the session ID of the bytestream open request
     */
    public String getSessionID();

    /**
     * Accepts the bytestream open request and returns the session to send/receive data.
     * 
     * @return the session to send/receive data
     * @throws XMPPException if an error occurred while accepting the bytestream request
     * @throws InterruptedException if the thread was interrupted while waiting in a blocking
     *         operation
     */
    public BytestreamSession accept() throws XMPPException, InterruptedException;

    /**
     * Rejects the bytestream request by sending a reject error to the initiator.
     */
    public void reject();

}