Class: MapTP::Geocoding

Inherits:
Object
  • Object
show all
Defined in:
lib/maptp-service/geocoding.rb

Overview

Provides a Ruby client to the SOAP interface of the MapTP geocoding services (version 5.1).

Should be initialized for every new geocoding request.

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Geocoding

Returns a new instance of Geocoding.



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# File 'lib/maptp-service/geocoding.rb', line 9

def initialize

  # Disable log output
  Savon::Request.log = false

  @client = Savon::Client.new "http://#{MapTP::maptp_server}.map24.com/map24/webservices1.5?soap=Map24Geocoder51"

end

Instance Method Details

#find_coordinates_by_text(query, max_number_of_alternatives = 10, response_language = "EN") ⇒ Object

Searches for addresses and their coordinates that match the provided search query.

Parameters:

query

The search query, e.g. “Times Square, New York”, “Zeil Frankfurt”, “Downing Street 10 London”

max_number_of_alternatives

The max number of alternatives returned by the service (default is 10)

response_language

The language the results shoult be localized (if possible, default is “EN” = English)

Returns either a hash containing the informations or a hash with a key :ERROR containing the error message.



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# File 'lib/maptp-service/geocoding.rb', line 30

def find_coordinates_by_text(query, max_number_of_alternatives = 10, response_language = "EN")

  begin

    response = @client.search_free! do |soap|

      soap.namespaces["xmlns:SOAP-ENV"] = "http://schemas.xmlsoap.org/soap/envelope/"
      soap.namespaces["xmlns:xsd"] = "http://www.w3.org/2001/XMLSchema"
      soap.namespaces["xmlns:xsi"] = "http://www.w3.org/2001/XMLSchema-instance"
      soap.namespaces["xmlns:wsdl"] = "Map24Geocoder51"
      soap.action = 'searchFree'
      soap.input = 'searchFree'

      soap.body = {

        "RequestHeader" => {
          "Map24ID" => MapTP::map24_id

        },
        "MapSearchFreeRequest" => {
          "SearchText" => query,
          "MaxNoOfAlternatives" => max_number_of_alternatives,
          "Properties" => {
            "item" =>
              {
                "Key" => "Language",
                "Value"  => response_language,
              }
          }
        }
	
		
      }
	
    end

    MapTP::Parser::GeocodingResult.to_hash(response)

  rescue Savon::SOAPFault => e

    { :ERROR => e.message }


  rescue Savon::HTTPError => e

    { :ERROR => "HTTP Error" }

  rescue SocketError

    { :ERROR => "No HTTP Connection" }

  rescue

    { :ERROR => "Unknown Error" }

  end
  
end