in src/main/java/org/apache/commons/mail/MultiPartEmail.java [187:212]
public Email setMsg(final String msg) throws EmailException
{
// throw exception on null message
if (EmailUtils.isEmpty(msg))
{
throw new EmailException("Invalid message supplied");
}
try
{
final BodyPart primary = getPrimaryBodyPart();
if (primary instanceof MimePart && EmailUtils.isNotEmpty(charset))
{
((MimePart) primary).setText(msg, charset);
}
else
{
primary.setText(msg);
}
}
catch (final MessagingException me)
{
throw new EmailException(me);
}
return this;
}