* gnu/java/nio/DatagramChannelImpl.java
(DatagramChannelImpl): Made class final.
(blocking): Made private.
(socket): Made it a NIODatagramSocket and private.
(DatagramChannelImpl): create NIODatagramSocket instead of
DatagramSocket.
(implConfigureBlocking): Set socket timeout.
(connect): Check that channel is not closed.
(write): Implemented.
(write): Rewritten.
(read): Implemented.
(read): Rewritten.
(receive): Implemented.
(send): Implemented.
* gnu/java/nio/SelectionKeyImpl.java
(readyOps): Made private.
(interestOps): Made private.
(impl): Made private.
(ch): Made private.
(readyOps): Check if selection key is valid.
(interestOps): Likewise.
* gnu/java/nio/SelectorImpl.java
(closed): Removed.
(keys): Made private.
(selected): Made private.
(finalize): New method.
(implCloseSelector): Rewritten.
(keys): Return unmodifiable Set.
(deregisterCancelledKeys): Fixed typo in method name.
* gnu/java/nio/SocketChannelImpl.java
(SocketChannelImpl): Made class final.
(socket): Made it a NIOSocket and private.
(blocking): Made private.
(connected): Made private.
(connectionPending): New member variable.
(SocketChannelImpl): New implementation.
(finalizer): Use isConnected().
(connect): Rewritten.
(finishConnect): Throws IOException, implemented.
(isConnectionPending): Return connectionPending.
(read): Rewritten.
(write): Rewritten.
* gnu/java/nio/NIOConstants.java: New file.
* Makefile.am (ordinary_java_source_files):
Added gnu/java/nio/NIOConstants.java.
* Makefile.in: Regenerated.
From-SVN: r71769
