g is set to false.  When
 the data for the body parts are needed, the parser extracts the
 "boundary" parameter from the content type of this DataSource,
 skips the 'preamble' and reads bytes till the terminating
 boundary and creates MimeBodyParts for each part of the stream.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>ds</code> - DataSource, can be a MultipartDataSource</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="ParseException.html" title="class