package org.sonatype.aether;

/*******************************************************************************
 * Copyright (c) 2010-2011 Sonatype, Inc.
 * 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
 *******************************************************************************/

/**
 * The base class for exceptions thrown by the repository system.
 * 
 * @author Benjamin Bentmann
 */
public class RepositoryException
    extends Exception
{

    public RepositoryException( String message )
    {
        super( message );
    }

    public RepositoryException( String message, Throwable cause )
    {
        super( message, cause );
    }

    public static String getMessage( String prefix, Throwable cause )
    {
        String msg = "";
        if ( cause != null )
        {
            msg = cause.getMessage();
            if ( msg == null || msg.length() <= 0 )
            {
                msg = cause.getClass().getSimpleName();
            }
            msg = prefix + msg;
        }
        return msg;
    }

}
