Module: VORuby::Simple::HTTPGetQuery

Included in:
ConeSearch, ImageAccess, SpectralAccess
Defined in:
lib/voruby/simple/sap.rb

Overview

Mixin a generic GET-type HTTP query. Requires that the main object has a query_uri() method defined that returns a valid URI as a string.

Instance Method Summary collapse

Instance Method Details

#fetch ⇒ Object

Using an HTTP get, fetch the response that corresponds to the query parameters.



91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
 
# File 'lib/voruby/simple/sap.rb', line 91

def fetch
  uri = URI.parse(query_uri())

  http = Net::HTTP.new(uri.host, uri.port)
  http.read_timeout = query_timeout()

  uri_params = required_parameters()
  # Other parameters
  parameters().each do |param, value|
  uri_params.push(URI.escape("#{param.to_s().upcase()}=#{value}"))
  end

  res = http.start {|http|
    http.get(uri.path + '?' + uri_params.join('&'))
  }
  self.response = res.body
end

#query_uri ⇒ Object

Convert to a form suitable for use in a URL. The required_parameters and parameters methods must exist.



111
112
113
114
115
116
117
118
119
120
 
# File 'lib/voruby/simple/sap.rb', line 111

def query_uri
  uri_params = required_parameters()

  # Other parameters
  parameters().each do |param, value|
  uri_params.push(URI.escape("#{param.to_s().upcase()}=#{value}"))
  end

  "#{uri()}?" + uri_params.join('&')
end