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jeremybenn |
/* DTP.java --
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Copyright (C) 2003, 2004 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.java.net.protocol.ftp;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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/**
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* An FTP data transfer process.
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*
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* @author Chris Burdess (dog@gnu.org)
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*/
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interface DTP
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{
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/**
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* Returns an input stream from which a remote file can be read.
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*/
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InputStream getInputStream()
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throws IOException;
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/**
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* Returns an output stream to which a local file can be written for
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* upload.
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*/
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OutputStream getOutputStream()
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throws IOException;
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/**
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* Sets the transfer mode to be used with this DTP.
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*/
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void setTransferMode(int mode);
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/**
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* Marks this DTP completed.
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* When the current transfer has finished, any resources will be released.
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*/
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void complete();
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/**
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* Aborts any current transfer and releases all resources held by this
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* DTP.
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* @return true if a transfer was interrupted, false otherwise
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*/
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boolean abort();
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/**
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* Used to notify the DTP that its current transfer is complete.
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* This occurs either when end-of-stream is reached or a 226 response is
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* received.
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*/
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void transferComplete();
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}
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