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8036979: Support java.net.SocketOption<> in java.net socket types

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Reviewed-by: alanb, chegar
This commit is contained in:
Michael McMahon 2014-04-12 20:21:09 +01:00
parent 87a0f4a044
commit e90c029bad
27 changed files with 2223 additions and 7 deletions
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90
jdk/src/share/classes/java/net/ServerSocket.java
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@ -30,6 +30,8 @@ import java.io.IOException;
import java.nio.channels.ServerSocketChannel;
import java.security.AccessController;
import java.security.PrivilegedExceptionAction;
import java.util.Set;
import java.util.Collections;
/**
* This class implements server sockets. A server socket waits for
@ -919,4 +921,92 @@ class ServerSocket implements java.io.Closeable {
/* Not implemented yet */
}
/**
* Sets the value of a socket option.
*
* @param name The socket option
* @param value The value of the socket option. A value of {@code null}
* may be valid for some options.
* @return this ServerSocket
*
* @throws UnsupportedOperationException if the server socket does not
* support the option.
*
* @throws IllegalArgumentException if the value is not valid for
* the option.
*
* @throws IOException if an I/O error occurs, or if the socket is closed.
*
* @throws NullPointerException if name is {@code null}
*
* @throws SecurityException if a security manager is set and if the socket
* option requires a security permission and if the caller does
* not have the required permission.
* {@link java.net.StandardSocketOptions StandardSocketOptions}
* do not require any security permission.
*
* @since 1.9
*/
public <T> ServerSocket setOption(SocketOption<T> name, T value)
throws IOException
{
getImpl().setOption(name, value);
return this;
}
/**
* Returns the value of a socket option.
*
* @param name The socket option
*
* @return The value of the socket option.
*
* @throws UnsupportedOperationException if the server socket does not
* support the option.
*
* @throws IOException if an I/O error occurs, or if the socket is closed.
*
* @throws NullPointerException if name is {@code null}
*
* @throws SecurityException if a security manager is set and if the socket
* option requires a security permission and if the caller does
* not have the required permission.
* {@link java.net.StandardSocketOptions StandardSocketOptions}
* do not require any security permission.
*
* @since 1.9
*/
public <T> T getOption(SocketOption<T> name) throws IOException {
return getImpl().getOption(name);
}
private static Set<SocketOption<?>> options;
private static boolean optionsSet = false;
/**
* Returns a set of the socket options supported by this server socket.
*
* This method will continue to return the set of options even after
* the socket has been closed.
*
* @return A set of the socket options supported by this socket. This set
* may be empty if the socket's SocketImpl cannot be created.
*
* @since 1.9
*/
public Set<SocketOption<?>> supportedOptions() {
synchronized (ServerSocket.class) {
if (optionsSet) {
return options;
}
try {
SocketImpl impl = getImpl();
options = Collections.unmodifiableSet(impl.supportedOptions());
} catch (IOException e) {
options = Collections.emptySet();
}
optionsSet = true;
return options;
}
}
}