/*
* RHQ Management Platform
* Copyright (C) 2005-2008 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package org.rhq.enterprise.communications.util;
import java.net.ConnectException;
import org.jboss.remoting.CannotConnectException;
import org.jboss.remoting.transport.http.WebServerError;
/**
* Just a place where basic comm utility methods are placed for use by anything
* that needs to use the comm layer.
*
* @author John Mazzitelli
*/
public abstract class CommUtils {
/**
* Examines the given exception and determines if failing over to another server might help.
* Typically, this method will look for "cannot connect" type exceptions.
*
* @param t the exception to examine
*
* @return <code>true</code> if failing over to another server might help; <code>false</code> if
* there is nothing about the exception that would lead us to believe another server would produce
* a different result.
*/
public static boolean isExceptionFailoverable(Throwable t) {
return (t instanceof CannotConnectException || t instanceof ConnectException
|| t instanceof NotProcessedException || t instanceof WebServerError);
}
}