Class: GwtRpc::Request

Inherits:
Object
  • Object
show all
Defined in:
lib/gwt_rpc/request.rb

Instance Method Summary collapse

Constructor Details

#initialize(client, options = {}) ⇒ Request

Returns a new instance of Request.



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# File 'lib/gwt_rpc/request.rb', line 2

def initialize(client, options = {})
  @client = client
  @procedure = options[:procedure]
  @parameters = options[:parameters]
  @body = options[:body]
end

Instance Method Details

#body ⇒ Object 



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# File 'lib/gwt_rpc/request.rb', line 37

def body
  if @body
    body = @body
  else
    string_table, payload = stringtablize(data)
    body = (header + [string_table.size] + string_table + payload).join("|")  + "|"
  end
end

#call ⇒ Object 



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# File 'lib/gwt_rpc/request.rb', line 9

def call
  @client.num_attempts.times do
    begin
      response = Typhoeus::Request.post(url,
            :body          => body,
            :headers       => {
              'Content-Type' => "text/x-gwt-rpc; charset=utf-8",
              'X-GWT-Module-Base' => @client.js_url,
              'X-GWT-Permutation' => @client.gwt_permutation,
            },
            :timeout       => @client.timeout,
            :cache_timeout => 60)
      return GwtRpc::Response.new(@client, response).content
    rescue GwtRpc::Error::NoResponse
      # prevent random hiccups
    end
  end
  return nil
end

#data ⇒ Object 



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# File 'lib/gwt_rpc/request.rb', line 46

def data
  [
    @client.js_url,
    @procedure.identifier,
    @procedure.namespace,
    @procedure.method,
    @parameters.size,
    parameter_classes,
    parameter_values.flatten
  ].flatten
end

#header ⇒ Object 



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# File 'lib/gwt_rpc/request.rb', line 33

def header
  [5,0]
end

#parameter_classes ⇒ Object 



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# File 'lib/gwt_rpc/request.rb', line 58

def parameter_classes
  @parameters.map{|p| @client.class.ruby_class_to_java(p.class)}
end

#parameter_values ⇒ Object 



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# File 'lib/gwt_rpc/request.rb', line 62

def parameter_values
  @parameters.map{|p| p.gwt_serialize }.flatten
end

#stringtablize(data) ⇒ Object 



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# File 'lib/gwt_rpc/request.rb', line 66

def stringtablize(data)
  string_table = data.select{|v| v.class == String }.uniq
  vals = data.map do |v|
    if v.class == String
      string_table.index(v) + 1
    else
      v
    end
  end
  return string_table, vals
end

#url ⇒ Object 



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# File 'lib/gwt_rpc/request.rb', line 29

def url
  'http://' + @client.domain + @procedure.path
end