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Class HeaderTokenizer

java.lang.Object  |  +--javax.mail.internet.HeaderTokenizer

public classHeaderTokenizer

extends java.lang.Object

This class tokenizes RFC822 and MIME headers into the basic symbols specified by RFC822 and MIME.

This class handles folded headers (ie headers with embedded CRLF SPACE sequences). The folds are removed in the returned tokens.

RFC822

public static final java.lang.StringRFC822

RFC822 specials

MIME

public static final java.lang.StringMIME

MIME specials

HeaderTokenizer

publicHeaderTokenizer(java.lang.String header,                       java.lang.String delimiters,                       boolean skipComments)

Constructor that takes a rfc822 style header.

Parameters:

header - The rfc822 header to be tokenized

delimiters - Set of delimiter characters to be used to delimit ATOMS. Theseare usuallyRFC822 orMIME

skipComments - If true, comments are skipped andnot returned as tokens

HeaderTokenizer

publicHeaderTokenizer(java.lang.String header,                       java.lang.String delimiters)

Constructor. Comments are ignored and not returned as tokens

Parameters:

header - The header that is tokenized

delimiters - The delimiters to be used

HeaderTokenizer

publicHeaderTokenizer(java.lang.String header)

Constructor. The RFC822 defined delimiters - RFC822 - are used to delimit ATOMS. Also comments are skipped and not returned as tokens

next

publicHeaderTokenizer.Tokennext()                           throwsParseException

Parses the next token from this String.

Clients sit in a loop calling next() to parse successive tokens until an EOF Token is returned.

Returns:

the next Token

Throws:

ParseException - if the parse fails

peek

publicHeaderTokenizer.Tokenpeek()                           throwsParseException

Peek at the next token, without actually removing the token from the parse stream. Invoking this method multiple times will return successive tokens, untilnext() is called.

Returns:

the next Token

Throws:

ParseException - if the parse fails

getRemainder

public java.lang.StringgetRemainder()

Return the rest of the Header.

Returns:

Stringrest of header. null is returned if we arealready at end of header