27 

    27 

    28 import java.io.FileDescriptor;

    28 import java.io.FileDescriptor;

    29 import java.io.IOException;

    29 import java.io.IOException;

    30 import java.net.ServerSocket;

    30 import java.net.ServerSocket;

    31 import java.net.Socket;

    31 import java.net.Socket;

    32 import java.nio.channels.*;

    33 import java.nio.channels.*;

    33 import java.nio.channels.spi.*;

    34 import java.nio.channels.spi.*;

    34 

    35 

    35 

    36 

    36 public abstract class SelectorProviderImpl

    37 public abstract class SelectorProviderImpl

    37     extends SelectorProvider

    38     extends SelectorProvider

    38 {

    39 {

    39 

    40 

    40     public DatagramChannel openDatagramChannel() throws IOException {

    41     public DatagramChannel openDatagramChannel() throws IOException {

    41         return new DatagramChannelImpl(this);

    42         return new DatagramChannelImpl(this);

    42     }

    47     }

    43 

    48 

    44     public Pipe openPipe() throws IOException {

    49     public Pipe openPipe() throws IOException {

    45         return new PipeImpl(this);

    50         return new PipeImpl(this);

    46     }

    51     }

    52     }

    57     }

    53 

    58 

    54     public SocketChannel openSocketChannel() throws IOException {

    59     public SocketChannel openSocketChannel() throws IOException {

    55         return new SocketChannelImpl(this);

    60         return new SocketChannelImpl(this);

    56     }

    61     }

    58 }

    62 }