* java/net/DatagramSocket.java
	(factory): Made private.
	(closed): Removed.
	(DatagramSocket): Check impl argument, use constructor with
	SocketAddress argument.
	(close): Set impl to null, use isClosed().
	(isClosed): Check for impl == null.
	(getLocalAddress): Use isClosed().
	(getLocalPort): Check if socket is closed.
	(getSoTimeout): Likewise.
	(setSoTimeout): Likewise.
	(getSendBufferSize): Likewise.
	(setSendBufferSize): Likewise.
	(getReceiveBufferSize): Likewise.
	(setReceiveBufferSize): Likewise.
	(receive): Likewise.
	(send): Likewise.
	(bind): Likewise.
	(connect): Likewise.
	(setReuseAddress): Likewise.
	(getReuseAddress): Likewise.
	(setBroadcast): Likewise.
	(getBroadcast): Likewise.
	(setTrafficClass): Likewise.
	(getTrafficClass): Likewise.
	* java/net/MulticastSocket.java
	(getInterface): Check if socket is closed.
	(getTTL): Likewise.
	(getTimeToLive): Likewise.
	(setInterface): Likewise.
	(setNetworkInterface): Likewise.
	(getNetworkInterface): Likewise.
	(setLoopbackMode): Likewise.
	(setTTL): Likewise.
	(setTimeToLive): Likewise.
	(joinGroup): Likewise.
	(leaveGroup): Likewise.
	(send): Likewise.
	* java/net/ServerSocket.java
	(closed): Removed.
	(close): Check if socket is closed, set impl to null.
	(isClosed): Check impl == null;
	(ServerSocket): Check impl argument.
	(getInetAddress): Check if socket is bound.
	(getLocalPort): Likewise.
	(getLocalSocketAddress): Likewise.
	(bind): Check if socket is closed.
	(implAccept): Likewise.
	(setSoTimeout): Likewise.
	(getSoTimeout): Likewise.
	(setReuseAddress): Likewise.
	(getReuseAddress): Likewise.
	(setReceiveBufferSize): Likewise.
	(getReceiveBufferSize): Likewise.
	(toString): Make output compliant to JDK 1.4.2.
	* java/net/Socket.java
	(closed): Removed.
	(Socket): Fixed documentation.
	(connect): Check if socket is closed, changed exception text,
	fixed documentation.
	(getInputStream): Check of socket is closed  and connected.
	(getOutputStream): Likewise.
	(bind): Check if socket is closed.
	(setTcpNoDelay): Likewise.
	(getTcpNoDelay): Likewise.
	(setSoLinger): Likewise.
	(getSoLinger): Likewise.
	(sendUrgentData): Likewise.
	(setOOBInline): Likewise.
	(getOOBInline): Likewise.
	(setSoTimeout): Likewise.
	(getSoTimeout): Likewise.
	(setSendBufferSize): Likewise.
	(getSendBufferSize): Likewise.
	(setReceiveBufferSize): Likewise.
	(getReceiveBufferSize): Likewise.
	(setKeepAlive): Likewise.
	(getKeepAlive): Likewise.
	(close): Likewise.
	(shutdownInput): Likewise.
	(shutdownOutput): Likewise.
	(getReuseAddress): Likewise.
	(getTrafficClass): Likewise.
	(setTrafficClass): Likewise.
	(isClosed): Check impl == null.
	(toString): Added missing ']'.

From-SVN: r73918