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diff --git a/libjava/java/nio/channels/spi/AbstractInterruptibleChannel.java b/libjava/java/nio/channels/spi/AbstractInterruptibleChannel.java
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-/* AbstractInterruptibleChannel.java --
- Copyright (C) 2002, 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 java.nio.channels.spi;
-
-import java.io.IOException;
-import java.nio.channels.AsynchronousCloseException;
-import java.nio.channels.Channel;
-import java.nio.channels.InterruptibleChannel;
-
-
-/**
- * @author Michael Koch
- * @since 1.4
- */
-public abstract class AbstractInterruptibleChannel
- implements Channel, InterruptibleChannel
-{
- private boolean closed;
-
- /**
- * Initializes the channel.
- */
- protected AbstractInterruptibleChannel()
- {
- }
-
- /**
- * Marks the beginning of an I/O operation that might block indefinitely.
- */
- protected final void begin()
- {
- }
-
- /**
- * Closes the channel.
- *
- * @exception IOException If an error occurs
- */
- public final void close() throws IOException
- {
- if (! closed)
- {
- closed = true;
- implCloseChannel();
- }
- }
-
- /**
- * Marks the end of an I/O operation that might block indefinitely.
- *
- * @param completed true if the task completed successfully,
- * false otherwise
- *
- * @exception IOException if an error occurs
- * @exception AsynchronousCloseException If the channel was asynchronously
- * closed.
- * @exception ClosedByInterruptException If the thread blocked in the
- * I/O operation was interrupted.
- */
- protected final void end(boolean completed)
- throws AsynchronousCloseException
- {
- // FIXME: check more here.
-
- if (closed) throw new AsynchronousCloseException();
- }
-
- /**
- * Closes the channel.
- *
- * @exception IOException If an error occurs
- */
- protected abstract void implCloseChannel() throws IOException;
-
- /**
- * Tells whether or not this channel is open.
- *
- * @return true if the channel is open, false otherwise
- */
- public final boolean isOpen()
- {
- return ! closed;
- }
-}
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