/* DTP.java --
Copyright (C) 2003, 2004 Free Software Foundation, Inc.
This file is part of GNU Classpath.
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Classpath is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
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As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
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package gnu.java.net.protocol.ftp;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
/**
* An FTP data transfer process.
*
* @author Chris Burdess (dog@gnu.org)
*/
interface DTP
{
/**
* Returns an input stream from which a remote file can be read.
*/
InputStream getInputStream()
throws IOException;
/**
* Returns an output stream to which a local file can be written for
* upload.
*/
OutputStream getOutputStream()
throws IOException;
/**
* Sets the transfer mode to be used with this DTP.
*/
void setTransferMode(int mode);
/**
* Marks this DTP completed.
* When the current transfer has finished, any resources will be released.
*/
void complete();
/**
* Aborts any current transfer and releases all resources held by this
* DTP.
* @return true if a transfer was interrupted, false otherwise
*/
boolean abort();
/**
* Used to notify the DTP that its current transfer is complete.
* This occurs either when end-of-stream is reached or a 226 response is
* received.
*/
void transferComplete();
}