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module EventMachine
# A simple hash is returned for each request made by HttpClient with the
# headers that were given by the server for that request.
class HttpResponseHeader < Hash
# The reason returned in the http response ("OK","File not found",etc.)
attr_accessor :http_reason
# The HTTP version returned.
attr_accessor :http_version
# The status code (as a string!)
attr_accessor :http_status
# Raw headers
attr_accessor :raw
# E-Tag
def etag
self[HttpClient::ETAG]
end
def last_modified
self[HttpClient::LAST_MODIFIED]
end
# HTTP response status as an integer
def status
@status ||= Integer(http_status) rescue 0
end
# Length of content as an integer, or nil if chunked/unspecified
def content_length
@content_length ||= ((s = self[HttpClient::CONTENT_LENGTH]) &&
(s =~ /^(\d+)$/)) ? $1.to_i : nil
end
# Cookie header from the server
def cookie
self[HttpClient::SET_COOKIE]
end
# Is the transfer encoding chunked?
def chunked_encoding?
/chunked/i === self[HttpClient::TRANSFER_ENCODING]
end
def keepalive?
/keep-alive/i === self[HttpClient::KEEP_ALIVE]
end
def compressed?
/gzip|compressed|deflate/i === self[HttpClient::CONTENT_ENCODING]
end
def location
self[HttpClient::LOCATION]
end
def [](key)
super(key) || super(key.upcase.gsub('-','_'))
end
def informational?
100 <= status && 200 > status
end
def successful?
200 <= status && 300 > status
end
def redirection?
300 <= status && 400 > status
end
def client_error?
400 <= status && 500 > status
end
def server_error?
500 <= status && 600 > status
end
end
end
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