/*
* Milyn - Copyright (C) 2006 - 2010
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License (version 2.1) as published
* by the Free Software Foundation.
*
* This library 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 Lesser General Public License for more details:
* http://www.gnu.org/licenses/lgpl.txt
*/
package org.milyn.routing.file.naming;
import java.rmi.dgc.VMID;
/**
* Default file naming strategy.
* </pre>
* This implementation uses java.rmi.dgc.VMID to generate
* identifiers that are unique across all Java virtual machines.
*
* @author <a href="mailto:daniel.bevenius@gmail.com">Daniel Bevenius</a>
*
*/
public class UniqueFileNamingStrategy implements NamingStrategy
{
/**
* Will generate a String with the format
* <prefix><name><VMID.toString()><suffix>
*/
public String generateFileName( final String fileNamePattern, final Object object )
{
final StringBuilder sb = new StringBuilder();
appendString( sb, fileNamePattern );
appendString( sb, new VMID().toString() );
return sb.toString();
}
private void appendString( final StringBuilder sb, final String str )
{
if ( str != null )
{
sb.append( str );
}
}
}