aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.4.3/libjava/classpath/gnu/java/net/protocol/ftp/PassiveModeDTP.java
diff options
context:
space:
mode:
Diffstat (limited to 'gcc-4.4.3/libjava/classpath/gnu/java/net/protocol/ftp/PassiveModeDTP.java')
-rw-r--r--gcc-4.4.3/libjava/classpath/gnu/java/net/protocol/ftp/PassiveModeDTP.java201
1 files changed, 201 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/net/protocol/ftp/PassiveModeDTP.java b/gcc-4.4.3/libjava/classpath/gnu/java/net/protocol/ftp/PassiveModeDTP.java
new file mode 100644
index 000000000..6f4fd6341
--- /dev/null
+++ b/gcc-4.4.3/libjava/classpath/gnu/java/net/protocol/ftp/PassiveModeDTP.java
@@ -0,0 +1,201 @@
+/* PassiveModeDTP.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.InetSocketAddress;
+import java.net.Socket;
+
+/**
+ * A passive mode FTP data transfer process.
+ * This connects to the host specified and proxies the resulting socket's
+ * input and output streams.
+ *
+ * @author Chris Burdess (dog@gnu.org)
+ */
+final class PassiveModeDTP
+ implements DTP
+{
+
+ final String address;
+ final int port;
+ Socket socket;
+ DTPInputStream in;
+ DTPOutputStream out;
+ boolean completed;
+ boolean inProgress;
+ int transferMode;
+
+ PassiveModeDTP(String address, int port, InetAddress localhost,
+ int connectionTimeout, int timeout)
+ throws IOException
+ {
+ this.address = address;
+ this.port = port;
+ completed = false;
+ inProgress = false;
+ socket = new Socket();
+ InetSocketAddress remote = new InetSocketAddress(address, port);
+ InetSocketAddress local = new InetSocketAddress(localhost, port + 1);
+ socket.bind(local);
+ if (connectionTimeout > 0)
+ {
+ socket.connect(remote, connectionTimeout);
+ }
+ else
+ {
+ socket.connect(remote);
+ }
+ if (timeout > 0)
+ {
+ socket.setSoTimeout(timeout);
+ }
+ }
+
+ /**
+ * 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");
+ }
+ 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");
+ }
+ 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;
+ }
+
+ /*
+ * Called by DTPInputStream or DTPOutputStream when end of
+ * stream is reached.
+ */
+ public void transferComplete()
+ {
+ if (in != null)
+ {
+ in.setTransferComplete(true);
+ }
+ if (out != null)
+ {
+ out.setTransferComplete(true);
+ }
+ inProgress = false;
+ completed = completed ||(transferMode == FTPConnection.MODE_STREAM);
+ if (completed && socket != null)
+ {
+ try
+ {
+ socket.close();
+ }
+ catch (IOException e)
+ {
+ }
+ }
+ }
+
+}
+