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EWF/library/server/ewsgi/specification/response/wgi_response.e

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note
description: "Summary description for {WGI_RESPONSE}."
date: "$Date$"
revision: "$Revision$"
deferred class
WGI_RESPONSE
feature {WGI_CONNECTOR, WGI_SERVICE} -- Commit
commit
-- Commit the current response
deferred
ensure
status_is_set: status_is_set
header_committed: header_committed
message_committed: message_committed
end
feature -- Status report
status_committed: BOOLEAN
-- Is status code set and committed?
-- i.e: sent to the client and could not be changed anymore
deferred
ensure
committed_implies_set: Result implies status_is_set
end
header_committed: BOOLEAN
-- Header committed?
deferred
end
message_committed: BOOLEAN
-- Message committed?
deferred
end
message_writable: BOOLEAN
-- Can message be written?
deferred
end
feature {WGI_RESPONSE} -- Core output operation
write (s: READABLE_STRING_8)
-- Send the string `s'
-- this can be used for header and body
deferred
end
feature -- Status setting
status_is_set: BOOLEAN
-- Is status set?
deferred
end
set_status_code (a_code: INTEGER)
-- Set response status code
-- Should be done before sending any data back to the client
require
status_not_set: not status_committed
header_not_committed: not header_committed
deferred
ensure
status_code_set: status_code = a_code
status_set: status_is_set
end
status_code: INTEGER
-- Response status
deferred
end
feature -- Header output operation
put_header_text (a_text: READABLE_STRING_8)
-- Write http header string `a_text'
-- It should not contain the ending CR LF CR LF
-- since it is the duty of `put_header_text' to write it.
require
a_text_does_not_has_ending_crlf_crlf: a_text.count > 4 implies not a_text.substring (a_text.count - 4, a_text.count).same_string ("%R%N%R%N")
status_set: status_is_set
header_not_committed: not header_committed
deferred
ensure
status_set: status_is_set
header_committed: header_committed
message_writable: message_writable
end
put_header_lines (a_lines: ITERABLE [TUPLE [name: READABLE_STRING_8; value: READABLE_STRING_8]])
require
status_set: status_is_set
header_not_committed: not header_committed
deferred
ensure
status_set: status_is_set
header_committed: header_committed
message_writable: message_writable
end
feature -- Output operation
put_string (s: READABLE_STRING_8)
-- Send the string `s'
require
message_writable: message_writable
deferred
end
put_substring (s: READABLE_STRING_8; a_begin_index, a_end_index: INTEGER)
-- Send the substring `s[a_begin_index:a_end_index]'
require
message_writable: message_writable
deferred
end
flush
-- Flush if it makes sense
deferred
end
note
copyright: "2011-2012, Eiffel Software and others"
license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
source: "[
Eiffel Software
5949 Hollister Ave., Goleta, CA 93117 USA
Telephone 805-685-1006, Fax 805-685-6869
Website http://www.eiffel.com
Customer support http://support.eiffel.com
]"
end