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@---+ Package ==

%TOC%
---+!! package TWiki::Response

Class to encapsulate response data.

Fields:
    * =status=  - response status
    * =headers= - hashref to response headers
    * =body=    - response body
    * =cookies= - hashref to response cookies


---++ ClassMethod *new* <tt>() -> $response</tt>

Constructs a TWiki::Response object.



---++ ObjectMethod *status* <tt>($status) -> $status</tt>

Gets/Sets response status.
   * =$status= is a three digit code, optionally followed by a status string



---++ ObjectMethod *charset* <tt>([$charset]) -> $charset</tt>

Gets/Sets response charset. If not defined, defaults to ISO-8859-1, 
just like CGI.pm



---++ ObjectMethod *header* <tt>(-type=>$type,</tt>
                          -status     => $status,
                          -cookie     => $cookie || \@@cookies,
                          -attachment => $attachName,
                          -charset    => $charset,
                          -expires    => $expires,
                          -HeaderN    => ValueN )

Sets response header. Resonably compatible with CGI. 
Doesn't support -nph, -target and -p3p.



---++ ObjectMethod *_header* <tt>(-type=>$type,</tt>
                          -status     => $status,
                          -cookie     => $cookie || \@@cookies,
                          -attachment => $attachName,
                          -charset    => $charset,
                          -expires    => $expires,
                          -HeaderN    => ValueN )

Private method to set response header like above 
that doesn't include fix for Item6602. Resonably compatible with CGI. 
Doesn't support -nph, -target and -p3p. 



---++ ObjectMethod *headers* <tt>({...}) -> $headersHashRef</tt>

Gets/Sets all response headers. Keys are headers name and values
are scalars for single-valued headers or arrayref for multivalued ones.



---++ ObjectMethod *getHeader* <tt>([$name]) -> $value</tt>

If called without parameters returns all present header names,
otherwise returns a list (maybe with a single element) of values
associated with $name.



---++ ObjectMethod *deleteHeader* <tt>($h1,$h2,...)</tt>

Deletes headers whose names are passed.



---++ ObjectMethod *pushHeader* <tt>($name,$value)</tt>

Adds $value to list of values associated with header $name.



---++ ObjectMethod *cookies* <tt>([\@@cookies]) -> @@cookies</tt>

Gets/Sets response cookies. Parameter, if passed, *must* be an arrayref.

Elements may be CGI::Cookie objects or raw cookie strings.



---++ ObjectMethod *body* <tt>([$body]) -> $body</tt>

Gets/Sets response body.



---++ ObjectMethod *redirect* <tt>($uri,$status,$cookies|</tt>
                             -Location => $uri, 
                             -Status   => $status, 
                             -Cookies  => $cookies )

Populate object with redirect response headers.

=$uri= *must* be passed. Others are optional.

CGI Compatibility Note: It doesn't support -target or -nph



---++ ObjectMethod *setDefaultHeaders* <tt>({$name=>$value,...})</tt>

Sets the header, this does not modify the existing key=>value from  
$this->{headers}. Sets only new values.
 


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