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Diffstat (limited to 'libjava/gnu/java/net/protocol/ftp/ActiveModeDTP.java')
-rw-r--r-- | libjava/gnu/java/net/protocol/ftp/ActiveModeDTP.java | 251 |
1 files changed, 0 insertions, 251 deletions
diff --git a/libjava/gnu/java/net/protocol/ftp/ActiveModeDTP.java b/libjava/gnu/java/net/protocol/ftp/ActiveModeDTP.java deleted file mode 100644 index 3755e8beb8d..00000000000 --- a/libjava/gnu/java/net/protocol/ftp/ActiveModeDTP.java +++ /dev/null @@ -1,251 +0,0 @@ -/* ActiveModeDTP.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 -along with GNU Classpath; see the file COPYING. If not, write to the -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 -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package gnu.java.net.protocol.ftp; - -import java.io.IOException; -import java.io.InputStream; -import java.io.OutputStream; -import java.net.InetAddress; -import java.net.ServerSocket; -import java.net.Socket; - -/** - * An active mode FTP data transfer process. - * This starts a server on the specified port listening for a data - * connection. It converts the socket input into a file stream for reading. - * - * @author Chris Burdess (dog@gnu.org) - */ -final class ActiveModeDTP - implements DTP, Runnable -{ - - ServerSocket server; - Socket socket; - DTPInputStream in; - DTPOutputStream out; - boolean completed; - boolean inProgress; - int transferMode; - IOException exception; - Thread acceptThread; - int connectionTimeout; - - ActiveModeDTP(InetAddress localhost, int port, - int connectionTimeout, int timeout) - throws IOException - { - completed = false; - inProgress = false; - server = new ServerSocket(port, 1, localhost); - if (timeout > 0) - { - server.setSoTimeout(timeout); - } - if (connectionTimeout <= 0) - { - connectionTimeout = 20000; - } - this.connectionTimeout = connectionTimeout; - acceptThread = new Thread(this, "ActiveModeDTP"); - acceptThread.start(); - } - - /** - * Start listening. - */ - public void run() - { - try - { - socket = server.accept(); - //System.err.println("Accepted connection from "+socket.getInetAddress()+":"+socket.getPort()); - } - catch (IOException e) - { - exception = e; - } - } - - /** - * Waits until a client has connected. - */ - public void waitFor() - throws IOException - { - try - { - acceptThread.join(connectionTimeout); - } - catch (InterruptedException e) - { - } - if (exception != null) - { - throw exception; - } - if (socket == null) - { - server.close(); - throw new IOException("client did not connect before timeout"); - } - acceptThread = null; - } - - /** - * Returns an input stream from which a remote file can be read. - */ - public InputStream getInputStream() - throws IOException - { - if (inProgress) - { - throw new IOException("Transfer in progress"); - } - if (acceptThread != null) - { - waitFor(); - } - switch (transferMode) - { - case FTPConnection.MODE_STREAM: - in = new StreamInputStream(this, socket.getInputStream()); - break; - case FTPConnection.MODE_BLOCK: - in = new BlockInputStream(this, socket.getInputStream()); - break; - case FTPConnection.MODE_COMPRESSED: - in = new CompressedInputStream(this, socket.getInputStream()); - break; - default: - throw new IllegalStateException("invalid transfer mode"); - } - in.setTransferComplete(false); - return in; - } - - /** - * Returns an output stream to which a local file can be written for - * upload. - */ - public OutputStream getOutputStream() throws IOException - { - if (inProgress) - { - throw new IOException("Transfer in progress"); - } - if (acceptThread != null) - { - waitFor(); - } - switch (transferMode) - { - case FTPConnection.MODE_STREAM: - out = new StreamOutputStream(this, socket.getOutputStream()); - break; - case FTPConnection.MODE_BLOCK: - out = new BlockOutputStream(this, socket.getOutputStream()); - break; - case FTPConnection.MODE_COMPRESSED: - out = new CompressedOutputStream(this, socket.getOutputStream()); - break; - default: - throw new IllegalStateException("invalid transfer mode"); - } - out.setTransferComplete(false); - return out; - } - - public void setTransferMode(int mode) - { - transferMode = mode; - } - - public void complete() - { - completed = true; - if (!inProgress) - { - transferComplete(); - } - } - - public boolean abort() - { - completed = true; - transferComplete(); - return inProgress; - } - - public void transferComplete() - { - if (socket == null) - { - return; - } - if (in != null) - { - in.setTransferComplete(true); - } - if (out != null) - { - out.setTransferComplete(true); - } - completed = completed || (transferMode == FTPConnection.MODE_STREAM); - if (completed && socket != null) - { - try - { - socket.close(); - } - catch (IOException e) - { - } - try - { - server.close(); - } - catch (IOException e) - { - } - } - } - -} - |