constructs the in-reply-to header . the form is '' &lt;topicfirstpostid.topicid.forumid.randomnumber@jforum&gt; '' . concode_field_sep int topicId concode_elem_sep Random random concode_field_sep int getTopicId concode_elem_sep String buildMessageId concode_elem_sep MessageId parse
String function ( Topic arg0 ) { return buildMessageId ( arg0 . getFirstPostId ( ) , arg0 . getId ( ) , arg0 . getForumId ( ) ) ; }