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/*
* Copyright (c) 2004 - 2012 Eike Stepper (Berlin, Germany) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.net4j.protocol;
import org.eclipse.net4j.Net4jUtil;
/**
* An exception that indicates mismatch between the versions of two protocol peer implementations.
*
* @author Eike Stepper
* @since 4.2
*/
public class ProtocolVersionException extends IllegalStateException
{
private static final long serialVersionUID = 1L;
public ProtocolVersionException()
{
}
public ProtocolVersionException(String s)
{
super(s);
}
public ProtocolVersionException(Throwable cause)
{
super(cause);
}
public ProtocolVersionException(String message, Throwable cause)
{
super(message, cause);
}
public static void checkVersion(IProtocol<?> protocol, int expectedVersion) throws ProtocolVersionException
{
int actualVersion = Net4jUtil.getProtocolVersion(protocol);
if (actualVersion != expectedVersion)
{
throw new ProtocolVersionException("Protocol version " + actualVersion + " does not match expected version "
+ expectedVersion);
}
}
}
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