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diff --git a/libjava/gnu/classpath/jdwp/transport/ITransport.java b/libjava/gnu/classpath/jdwp/transport/ITransport.java
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+/* ITransport.java -- An interface defining JDWP transports
+   Copyright (C) 2005 Free Software Foundation
+
+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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 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
+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.classpath.jdwp.transport;
+
+import java.io.InputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.lang.IllegalArgumentException;
+import java.util.HashMap;
+
+/**
+ * A class representing a transport layer. This class serves as a generic
+ * interface for all transport types used in the JDWP back-end.
+ *
+ * @author Keith Seitz <keiths@redhat.com>
+ */
+public interface ITransport
+{
+  /**
+   * Configure the transport with the given properties
+   *
+   * @param   properties  properties of the transport configuration
+   * @throws  TransportException on configury error
+   */
+  public void configure (HashMap properties)
+    throws TransportException;
+
+  /**
+   * Initialize the transport
+   *
+   * @throws  TransportException on initialization error
+   */
+  public void initialize ()
+    throws TransportException;
+
+  /**
+   * Get the input stream for the transport
+   */
+  public InputStream getInputStream ()
+    throws IOException;
+
+  /**
+   * Get the output stream for the transport
+   */
+  public OutputStream getOutputStream ()
+    throws IOException;
+}