Class: Geonames::WebService

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

Class Method Summary collapse

Class Method Details

.country_code(lat, long) ⇒ Object 



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# File 'lib/web_service.rb', line 224

def WebService.country_code ( lat, long )
   
    url = Geonames::GEONAMES_SERVER + "/countrycode?a=a"
    
    url = url + "&lat=" + lat.to_s
    url = url + "&lng=" + long.to_s

    uri = URI.parse(url)

    req = Net::HTTP::Get.new(uri.path + '?' + uri.query)

    res = Net::HTTP.start( uri.host, uri.port ) { |http|
        http.request( req )
    }

    doc = REXML::Document.new res.body

    return res.body.strip
  
end

.country_subdivision(lat, long) ⇒ Object 



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# File 'lib/web_service.rb', line 195

def WebService.country_subdivision ( lat, long )
    country_subdivision = CountrySubdivision.new
   
    url = Geonames::GEONAMES_SERVER + "/countrySubdivision?a=a"
    
    url = url + "&lat=" + lat.to_s
    url = url + "&lng=" + long.to_s

    uri = URI.parse(url)

    req = Net::HTTP::Get.new(uri.path + '?' + uri.query)

    res = Net::HTTP.start( uri.host, uri.port ) { |http|
        http.request( req )
    }

    doc = REXML::Document.new res.body

    doc.elements.each("geonames/countrySubdivision") do |element|
        country_subdivision.country_code    = WebService::get_element_child_text( element, 'countryCode' )
        country_subdivision.country_name    = WebService::get_element_child_text( element, 'countryName' )
        country_subdivision.admin_code_1    = WebService::get_element_child_text( element, 'adminCode1' )
        country_subdivision.admin_name_1    = WebService::get_element_child_text( element, 'adminName1' )
    end

    return country_subdivision
  
end

.element_to_postal_code(element) ⇒ Object 



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# File 'lib/web_service.rb', line 40

def WebService.element_to_postal_code ( element )
    postal_code = PostalCode.new
    
    postal_code.admin_code_1    = WebService::get_element_child_text( element, 'adminCode1' )
    postal_code.admin_code_2    = WebService::get_element_child_text( element, 'adminCode2' )
    postal_code.admin_name_1    = WebService::get_element_child_text( element, 'adminName1' )
    postal_code.admin_name_2    = WebService::get_element_child_text( element, 'adminName2' )
    postal_code.country_code    = WebService::get_element_child_text( element, 'countryCode' )
    postal_code.distance        = WebService::get_element_child_float( element, 'distance' )
    postal_code.longitude       = WebService::get_element_child_float( element, 'lat' )
    postal_code.latitude        = WebService::get_element_child_float( element, 'lng' )
    postal_code.place_name      = WebService::get_element_child_text( element, 'name' )
    postal_code.postal_code     = WebService::get_element_child_text( element, 'postalcode' )
    
    return postal_code

end

.element_to_toponym(element) ⇒ Object 



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# File 'lib/web_service.rb', line 58

def WebService.element_to_toponym ( element )
    toponym = Toponym.new

    toponym.name                = WebService::get_element_child_text( element, 'name' )
    toponym.alternate_names     = WebService::get_element_child_text( element, 'alternateNames' )
    toponym.latitude            = WebService::get_element_child_float( element, 'lat' )
    toponym.longitude           = WebService::get_element_child_float( element, 'lng' )
    toponym.geoname_id          = WebService::get_element_child_text( element, 'geonameId' )
    toponym.country_code        = WebService::get_element_child_text( element, 'countryCode' )
    toponym.country_name        = WebService::get_element_child_text( element, 'countryName' )
    toponym.feature_class       = WebService::get_element_child_text( element, 'fcl' )
    toponym.feature_code        = WebService::get_element_child_text( element, 'fcode' )
    toponym.feature_class_name  = WebService::get_element_child_text( element, 'fclName' )
    toponym.feature_code_name   = WebService::get_element_child_text( element, 'fCodeName' )
    toponym.population          = WebService::get_element_child_int( element, 'population' )
    toponym.elevation           = WebService::get_element_child_text( element, 'elevation' )
    toponym.distance            = WebService::get_element_child_float( element, 'distance' )
    
    return toponym

end

.find_nearby_place_name(lat, long) ⇒ Object 



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# File 'lib/web_service.rb', line 139

def WebService.find_nearby_place_name( lat, long )
    places = Array.new
    
    url = Geonames::GEONAMES_SERVER + "/findNearbyPlaceName?a=a"
    
    url = url + "&lat=" + lat.to_s
    url = url + "&lng=" + long.to_s

    uri = URI.parse(url)

    req = Net::HTTP::Get.new(uri.path + '?' + uri.query)

    res = Net::HTTP.start( uri.host, uri.port ) { |http|
        http.request( req )
    }

    doc = REXML::Document.new res.body
    
    doc.elements.each("geonames/geoname") do |element|

        places << WebService::element_to_toponym( element )
    
    end

    return places
  
end

.find_nearby_postal_codes(search_criteria) ⇒ Object 



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# File 'lib/web_service.rb', line 114

def WebService.find_nearby_postal_codes( search_criteria )
    # postal codes to reutrn
    postal_codes = Array.new
    
    url = Geonames::GEONAMES_SERVER + "/findNearbyPostalCodes?a=a"
    url = url + search_criteria.to_query_params_string
    
    uri = URI.parse(url)

    req = Net::HTTP::Get.new(uri.path + '?' + uri.query)

    res = Net::HTTP.start( uri.host, uri.port ) { |http|
        http.request( req )
    }

    doc = REXML::Document.new res.body
    
    doc.elements.each("geonames/code") do |element|
        postal_codes << WebService::element_to_postal_code( element )
    end

    postal_codes
    
end

.get_element_child_float(element, child) ⇒ Object 



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# File 'lib/web_service.rb', line 28

def WebService.get_element_child_float( element, child )
    if !element.elements[child].nil? 
        element.elements[child][0].to_s.to_f
    end
end

.get_element_child_int(element, child) ⇒ Object 



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# File 'lib/web_service.rb', line 34

def WebService.get_element_child_int( element, child )
    if !element.elements[child].nil? 
        element.elements[child][0].to_s.to_i
    end
end

.get_element_child_text(element, child) ⇒ Object 



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# File 'lib/web_service.rb', line 22

def WebService.get_element_child_text( element, child )
    if !element.elements[child].nil? 
        element.elements[child][0].to_s
    end
end

.postal_code_search(search_criteria) ⇒ Object 



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# File 'lib/web_service.rb', line 80

def WebService.postal_code_search( postal_code, place_name, country_code )
    postal_code_sc = PostalCodeSearchCriteria.new
    postal_code_sc.postal_code = postal_code
    postal_code_sc.place_name = place_name
    postal_code_sc.coutry_code = country_code
    
    WebService.postal_code_search postal_code_sc
end

.search(search_criteria) ⇒ Object 



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# File 'lib/web_service.rb', line 245

def WebService.search( search_criteria )
    #toponym search results to return
    toponym_sr = ToponymSearchResult.new

    url = Geonames::GEONAMES_SERVER + "/search?a=a"

    if !search_criteria.q.nil? 
      url = url + "&q=" + CGI::escape( search_criteria.q )
    end

    if !search_criteria.name_equals.nil? 
      url = url + "&name_equals=" + CGI::escape( search_criteria.name_equals )
    end

    if !search_criteria.name_starts_with.nil? 
      url = url + "&name_startsWith=" + CGI::escape( search_criteria.name_starts_with )
    end

    if !search_criteria.name.nil? 
      url = url + "&name=" + CGI::escape( search_criteria.name )
    end

    if !search_criteria.tag.nil? 
      url = url + "&tag=" + CGI::escape( search_criteria.tag )
    end

    if !search_criteria.country_code.nil? 
      url = url + "&country=" + CGI::escape( search_criteria.country_code )
    end

    if !search_criteria.admin_code_1.nil? 
      url = url + "&adminCode1=" + CGI::escape( search_criteria.admin_code_1 )
    end

    if !search_criteria.language.nil? 
      url = url + "&lang=" + CGI::escape( search_criteria.language )
    end

    if !search_criteria.feature_class.nil? 
      url = url + "&featureClass=" + CGI::escape( search_criteria.feature_class )
    end

    if !search_criteria.feature_codes.nil?
      for feature_code in search_criteria.feature_codes
        url = url + "&fcode=" + CGI::escape( feature_code )
      end
    end

    if !search_criteria.max_rows.nil? 
      url = url + "&maxRows=" + CGI::escape( search_criteria.max_rows )
    end

    if !search_criteria.start_row.nil? 
      url = url + "&startRow=" + CGI::escape( search_criteria.start_row )
    end

    if !search_criteria.style.nil? 
      url = url + "&style=" + CGI::escape( search_criteria.style )
    end

    uri = URI.parse(url)

    req = Net::HTTP::Get.new(uri.path + '?' + uri.query)

    res = Net::HTTP.start( uri.host, uri.port ) { |http|
        http.request( req )
    }

    doc = REXML::Document.new res.body
    
    toponym_sr.total_results_count = doc.elements["geonames/totalResultsCount"].text
    
    doc.elements.each("geonames/geoname") do |element|

        toponym_sr.toponyms << WebService::element_to_toponym( element )
    
    end

    return toponym_sr
end

.timezone(lat, long) ⇒ Object 



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# File 'lib/web_service.rb', line 167

def WebService.timezone( lat, long )
    timezone = Timezone.new
    
    url = Geonames::GEONAMES_SERVER + "/timezone?a=a"
    
    url = url + "&lat=" + lat.to_s
    url = url + "&lng=" + long.to_s

    uri = URI.parse(url)

    req = Net::HTTP::Get.new(uri.path + '?' + uri.query)

    res = Net::HTTP.start( uri.host, uri.port ) { |http|
        http.request( req )
    }

    doc = REXML::Document.new res.body
    
    doc.elements.each("geonames/timezone") do |element|
        timezone.timezone_id    = WebService::get_element_child_text( element, 'timezoneId' )
        timezone.gmt_offset     = WebService::get_element_child_float( element, 'gmtOffset' )
        timezone.dst_offset     = WebService::get_element_child_float( element, 'dstOffset' )
    end

    return timezone
  
end