Printer

gistfile1.java

    private String append(Object... objects)
    {
        StringBuffer buffer = new StringBuffer();
        for (int i = 0; i < objects.length; i += 2) {
            String key = (String) objects[i];
            Object value = objects[i + 1];
            if (value instanceof List) {
                appendList(buffer, key, (List) value);
            } else {
                appendLiteral(buffer, key, value);
            }
            if (i != objects.length - 2) {
                append(' ');
            }
        }
        return buffer.toString();
    }

    private void appendLiteral(StringBuffer buffer, String key, Object value)
    {
        buffer.append(String.format("%s = [%s]", key, value));
    }

    private void appendList(StringBuffer buffer, String key, List values)
    {
        buffer.append(key);
        buffer.append(' ');
        buffer.append('=');
        buffer.append(' ');
        buffer.append('[');

        Iterator<String> it = values.listIterator();
        while (it.hasNext()) {
            Object value = it.next();
            buffer.append('[');
            buffer.append(value);
            buffer.append(']');
            if (it.hasNext()) {
                buffer.append(',');
                buffer.append(' ');
            }
        }

        buffer.append(']');
    }