addons/httprox/common/src/main/java/org/commonjava/indy/httprox/handler/AbstractProxyRepositoryCreator.java
public String getNextName( List<String> names )
    {
        if ( names.isEmpty() )
        {
            return null;
        }
        String name0 = names.get( 0 );
        if ( names.size() == 1 )
        {
            return name0 + "_1";
        }
        Collections.sort( names );
        String last = names.get( names.size() - 1 );
        String index = last.substring( last.lastIndexOf( "_" ) + 1 );
        return name0 + "_" + ( Integer.parseInt( index ) + 1 );
    }
public String getNextName( List<String> names )
    {
        if ( names.isEmpty() )
        {
            return null;
        }
        String name0 = names.get( 0 );
        if ( names.size() == 1 )
        {
            return name0 + "_1";
        }
        Collections.sort( names );
        String last = names.get( names.size() - 1 );
        String index = last.substring( last.lastIndexOf( "_" ) + 1 );
        return name0 + "_" + ( Integer.parseInt( index ) + 1 );
    }
Get the next distinct name based on the query result by filter of getNameFilter
@param names
@return