FileTransferInterceptor.java 1.53 KB
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/**
 * $RCSfile:  $
 * $Revision:  $
 * $Date:  $
 *
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 * Copyright (C) 2005-2008 Jive Software. All rights reserved.
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 * This software is the proprietary information of Jive Software. Use is subject to license terms.
 */
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package org.jivesoftware.openfire.filetransfer;
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/**
 * Interface used to capture a file transfer before it begins.
 *
 * @author Alexander Wenckus
 */
public interface FileTransferInterceptor {
    /**
     * Invokes the interceptor on the specified file transfer. The interceptor can either modify
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     * the file transfer or throw a FileTransferRejectedException. The file transfer went sent to
     * the interceptor can be in two states, ready and not ready. The not ready state indicates
     * that this event was fired when the file transfer request was sent by the initatior. The ready
     * state indicates that the file transfer is ready to begin, and the channels can be
     * manipulated by the interceptor.
     * <p>
     * It is recommended for the the sake of user experience that
     * when in the not ready state, any processing done on the file transfer should be quick.
     *
     * @param transfer the transfer being intercepted
     * @param isReady true if the transfer is ready to commence or false if this is related to the
     * initial file transfer request. An exception at this point will cause the transfer to
     * not go through.
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     *
     */
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    void interceptFileTransfer(FileTransfer transfer, boolean isReady)
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            throws FileTransferRejectedException;
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}