CodeFormatter.java 文件源码

public static Iterable<String> toDumpLines(final String code) {
    return new Iterable<String>() {
        @Override
        public Iterator<String> iterator() {
            return new AbstractIterator<String>() {
                StringTokenizer tok = new StringTokenizer(code, "\n");
                int line = 0;

                @Override
                protected String computeNext() {
                    if (tok.hasMoreTokens()) {
                        return String.format("%3d: %s", ++line, tok.nextToken());
                    }
                    return endOfData();
                }
            };
        }
    };
}