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Thinking in Java. Edycja polska. Wydanie IV

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RFC 3380          IPP: Job and Printer Set Operations     September 2002


   "job-id" is more readily translated to and from other print protocols
   that MAY be serving as gateways into or out of the IPP
   implementation.

   The Set Printer operations are summarized in Table 1:

                     Table 1 - Operation-Id assignments

      Operation Name      Operation  Brief description
                          -Id

      Set-Printer-        0x0013     Sets attribute values of the target
      Attributes                     Printer object

      Set-Job-Attributes  0x0014     Sets attribute values of the target
                                     Job object

      Get-Printer-        0x0015     Gets values that are valid for
      Supported-Values               setting "xxx-supported" attributes
                                     using the Set-Printer-Attributes
                                     operation

4.1 Set-Printer-Attributes Operation

   This OPTIONAL operation allows a client to set the values of the
   attributes of a Printer object.  In the request, the client supplies
   the set of Printer keyword attribute names and values that are to be
   set.  In the response, the Printer object returns success or rejects
   the entire request with indications of which attribute or attributes
   could not be set.

   The Printer object validates the client-supplied attributes in the
   Set-Printer-Attributes request.  For an attribute to validate, it
   MUST meet all of the following rules:

   1. The number of attributes supplied by the client MUST NOT exceed
      the maximum number that the Printer supports in a Set-Printer-
      Attributes request.  A Printer MUST accept at least one attribute,
      but SHOULD accept a reasonable number in a single Set-Printer-
      Attributes request.

      Note: There is no way for the client to determine the maximum
      number of attributes that the Printer supports in a Set-Printer-
      Attributes request, except to try a reasonable number.

   2. The Printer MUST support the attribute.

Hastings, et. al.           Standards Track                     [Page 7]