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SocketSecrets.java

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/*

* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.

* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.

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*/

package java.net;

import java.io.IOException;

class SocketSecrets {

/* accessed by reflection from jdk.net.Sockets */

/* obj must be a Socket or ServerSocket */

private static <T> void setOption(Object obj, SocketOption<T> name, T value) throws IOException {

SocketImpl impl;

if (obj instanceof Socket) {

impl = ((Socket)obj).getImpl();

} else if (obj instanceof ServerSocket) {

impl = ((ServerSocket)obj).getImpl();

} else {

throw new IllegalArgumentException();

}

impl.setOption(name, value);

}

private static <T> T getOption(Object obj, SocketOption<T> name) throws IOException {

SocketImpl impl;

if (obj instanceof Socket) {

impl = ((Socket)obj).getImpl();

} else if (obj instanceof ServerSocket) {

impl = ((ServerSocket)obj).getImpl();

} else {

throw new IllegalArgumentException();

}

return impl.getOption(name);

}

private static <T> void setOption(DatagramSocket s, SocketOption<T> name, T value) throws IOException {

s.getImpl().setOption(name, value);

}

private static <T> T getOption(DatagramSocket s, SocketOption<T> name) throws IOException {

return s.getImpl().getOption(name);

}

}