Framework EDI Reference. Constants
Mail Header Type Constants

Mail Header Type Constants identifies the data type of the internet mail header.  The data type indicates the syntax that the value of the header must follow in order to be valid.

• HeaderType_Date (0) – Date data type.  The Date type syntax is parsed into the mailDate object. 
• The Date type follows the syntax:
• Date Type ::= [<day-of-week> ","] <date> <time>
• <day-of-week> ::= “Mon” | “Tue” | “Wed” | “Thu” | “Fri” | “Sat” | “Sun”
• <date> ::= <day> <month> <year>
• <day> ::= "01" | "02" | ... | "31"
• <month> ::= "Jan" | "Feb" | "Mar" | "Apr" | “May" | "Jun" | "Jul" | "Aug" | "Sep" | "Oct" | "Nov" | "Dec"
• <year> ::= <digit><digit> | <century><digit><digit>
• <century> ::= <digit><digit>
• <time> ::= <hour> “:” <minute> [ “:” <seconds>] <zone>
• <hour> ::= "00" | "01" | "02" | ... | "23"
• <minute> ::= "00" | "01" | "02" | ... | "59"
• <seconds> ::= "00" | "01" | "02" | ... | "59"
• <zone> ::= <local-diff> | <zone-str>
• <local-diff> ::= < “+” | “-” > <digit><digit><digit><digit>
• <zone-str> ::= "UT" | "GMT” |  "EST” | “EDT” | “CST” | “CDT” | “MST” | “MDT” | “PST” | “PDT” | <alphabet>
• Examples of Date type syntax:
• Mon, 19 Apr 1997 10:32:21 –0600
• 26 Aug 76 1932 EDT
• HeaderType_FieldText (11) – Text data type.
• HeaderType_Parameters (12) – Parameters data type.  The Parameters syntax is parsed into the mailParameters object:
• The Parameters type follows the syntax:
• Parameters Type ::= <parameter> {“;” <parameter>}
• <parameter> ::= <name> “=” <value>
• <name> ::= <string>
• <value> ::= <string>
• Examples of Parameters type:
• US=red,white,blue; KENYA=red,green,black
• Pi=3.14; boundary=“fredi.boundary.string”
• HeaderType_ContentDisposition (14) – Content disposition type.  The Content disposition syntax is parsed into the mail mailContentDisposition object.
  • Content disposition follows the syntax:
  • Disposition ::= "Content-Disposition" ":" <disposition-type> {";" disposition-parm}
  • <disposition-type> ::= "inline" | "attachment" | <extension-token>
  • <disposition-parm> ::= <filename-parm> | <creation-date-parm> | <modification-date-parm> | <read-date-parm> | <size-parm> | <parameter>
  • <filename-parm> ::= "filename" "=" <value>
  • <creation-date-parm> ::= "creation-date" "=" <quoted-date-time>
  • <modification-date-parm> ::= "modification-date" "=" <quoted-date-time>
  • <read-date-parm> ::= "read-date" "=" <quoted-date-time>
  • <size-parm> ::= "size" "=" <digits>
  • <quoted-date-time> ::= quoted-string
    
• HeaderType_URI (25) – Uniform resource identifier.