protected String getIndent(int depth, int size) {
        final int length = depth * size;
        String indent = indentCache.get(length);
        if (indent == null) {
            indent = getLineSeparator() + StringUtils.repeat(" ", length);
            indentCache.put(length, indent);
        }
        return indent;
    }
protected String getIndent ( int depth , int size ) { final int length = depth * size ; String indent = indentCache . get ( length ) ; if ( indent == null ) { indent = getLineSeparator ( ) + StringUtils . repeat ( " " , length ) ; indentCache . put ( length , indent ) ; } return indent ; }
Generate an indentation string for the specified depth and indent size