800 /**
801 * Tests if {@link SocketOptions#SO_REUSEADDR SO_REUSEADDR} is enabled.
802 *
803 * @return a {@code boolean} indicating whether or not
804 * {@link SocketOptions#SO_REUSEADDR SO_REUSEADDR} is enabled.
805 * @exception SocketException if there is an error
806 * in the underlying protocol, such as a TCP error.
807 * @since 1.4
808 * @see #setReuseAddress(boolean)
809 */
810 public boolean getReuseAddress() throws SocketException {
811 if (isClosed())
812 throw new SocketException("Socket is closed");
813 return ((Boolean) (getImpl().getOption(SocketOptions.SO_REUSEADDR))).booleanValue();
814 }
815
816 /**
817 * Returns the implementation address and implementation port of
818 * this socket as a {@code String}.
819 * <p>
820 * If there is a security manager set, its {@code checkConnect} method is
821 * called with the local address and {@code -1} as its arguments to see
822 * if the operation is allowed. If the operation is not allowed,
823 * an {@code InetAddress} representing the
824 * {@link InetAddress#getLoopbackAddress loopback} address is returned as
825 * the implementation address.
826 *
827 * @return a string representation of this socket.
828 */
829 public String toString() {
830 if (!isBound())
831 return "ServerSocket[unbound]";
832 InetAddress in;
833 if (System.getSecurityManager() != null)
834 in = InetAddress.getLoopbackAddress();
835 else
836 in = impl.getInetAddress();
837 return "ServerSocket[addr=" + in +
838 ",localport=" + impl.getLocalPort() + "]";
839 }
840
841 /**
842 * The factory for all server sockets.
843 */
844 private static volatile SocketImplFactory factory;
845
846 /**
847 * Sets the server socket implementation factory for the
848 * application. The factory can be specified only once.
849 * <p>
850 * When an application creates a new server socket, the socket
851 * implementation factory's {@code createSocketImpl} method is
852 * called to create the actual socket implementation.
853 * <p>
854 * Passing {@code null} to the method is a no-op unless the factory
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800 /**
801 * Tests if {@link SocketOptions#SO_REUSEADDR SO_REUSEADDR} is enabled.
802 *
803 * @return a {@code boolean} indicating whether or not
804 * {@link SocketOptions#SO_REUSEADDR SO_REUSEADDR} is enabled.
805 * @exception SocketException if there is an error
806 * in the underlying protocol, such as a TCP error.
807 * @since 1.4
808 * @see #setReuseAddress(boolean)
809 */
810 public boolean getReuseAddress() throws SocketException {
811 if (isClosed())
812 throw new SocketException("Socket is closed");
813 return ((Boolean) (getImpl().getOption(SocketOptions.SO_REUSEADDR))).booleanValue();
814 }
815
816 /**
817 * Returns the implementation address and implementation port of
818 * this socket as a {@code String}.
819 * <p>
820 * If there is a security manager set, and this socket is
821 * {@linkplain #isBound bound}, its {@code checkConnect} method is
822 * called with the local address and {@code -1} as its arguments to see
823 * if the operation is allowed. If the operation is not allowed,
824 * an {@code InetAddress} representing the
825 * {@link InetAddress#getLoopbackAddress loopback} address is returned as
826 * the implementation address.
827 *
828 * @return a string representation of this socket.
829 */
830 public String toString() {
831 if (!isBound())
832 return "ServerSocket[unbound]";
833 InetAddress in;
834 if (System.getSecurityManager() != null)
835 in = getInetAddress();
836 else
837 in = impl.getInetAddress();
838 return "ServerSocket[addr=" + in +
839 ",localport=" + impl.getLocalPort() + "]";
840 }
841
842 /**
843 * The factory for all server sockets.
844 */
845 private static volatile SocketImplFactory factory;
846
847 /**
848 * Sets the server socket implementation factory for the
849 * application. The factory can be specified only once.
850 * <p>
851 * When an application creates a new server socket, the socket
852 * implementation factory's {@code createSocketImpl} method is
853 * called to create the actual socket implementation.
854 * <p>
855 * Passing {@code null} to the method is a no-op unless the factory
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