package org.xnio.http;
import java.io.IOException;
import java.util.Map;
/**
* A class that can decide if a HTTP upgrade handshake is valid. If not it should
* throw an {@link java.io.IOException}
*/
public interface HandshakeChecker {
/**
* Checks a handshake, and throws an exception if it is invalid
*
* @param headers The response headers, keyed by lowercase name
* @throws java.io.IOException If the handshake is not valid
*/
void checkHandshake(final Map<String, String> headers) throws IOException;
}