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require 'net/https'
require 'date'
require 'time'
require 'uri'
module ActiveResource
class ConnectionError < StandardError
attr_reader :response
def initialize(response, message = nil)
@response = response
@message = message
end
def to_s
"Failed with #{response.code}"
end
end
class ClientError < ConnectionError; end # 4xx Client Error
class ResourceNotFound < ClientError; end # 404 Not Found
class ResourceConflict < ClientError; end # 409 Conflict
class ServerError < ConnectionError; end # 5xx Server Error
class Connection
attr_accessor :site
class << self
def requests
@@requests ||= []
end
def default_header
class << self ; attr_reader :default_header end
@default_header = { 'Content-Type' => 'application/xml' }
end
end
def initialize(site)
@site = site
end
def get(path)
Hash.create_from_xml(request(:get, path).body)
end
def delete(path)
request(:delete, path, self.class.default_header)
end
def put(path, body = '')
request(:put, path, body, self.class.default_header)
end
def post(path, body = '')
request(:post, path, body, self.class.default_header)
end
private
def request(method, *arguments)
handle_response(http.send(method, *arguments))
end
def handle_response(response)
case response.code.to_i
when 200...400
response
when 404
raise(ResourceNotFound.new(response))
when 400
raise(ResourceInvalid.new(response))
when 409
raise(ResourceConflict.new(response))
when 401...500
raise(ClientError.new(response))
when 500...600
raise(ServerError.new(response))
else
raise(ConnectionError.new(response, "Unknown response code: #{response.code}"))
end
end
def http
unless @http
@http = Net::HTTP.new(@site.host, @site.port)
@http.use_ssl = @site.is_a?(URI::HTTPS)
@http.verify_mode = OpenSSL::SSL::VERIFY_NONE if @http.use_ssl
end
@http
end
end
end
|
