calais_client.rb in jakal-0.1.0

- old
+ new
@@ -2,64 +2,71 @@
 require "rest_client"
 require "calais"
 
 module Jkl
 
-  def self.get_from_calais(content)  
-    begin
-      license_id = YAML::load_file('config/keys.yml')['calais']
-      c_uri = URI.parse('http://api.opencalais.com/enlighten/rest/')
-      post_args = { 'licenseID' => license_id, 'content' => content, 
-                  'paramsXML' => paramsXML('application/json') }
-      post_to(c_uri, post_args)
-    rescue Exception => e
-      puts e
+  class << self
+    
+    #using the calais gem
+    def calais_response(key, pages)
+      Calais.process_document(
+          :content => pages,
+          :content_type => :text, 
+          :license_id => key
+      )
     end
-  end
   
-  def self.get_tag_from_json(response)
-    result = JSON.parse response
-    result.delete_if {|key, value| key == "doc" } # ditching the doc
-    cleaned_result = []
-    result.each do |key,tag| 
-      tag = Jkl::clean_unwanted_items_from_hash tag
-      cleaned_result << tag
-      yield tag if block_given?
+    def get_from_calais(content)  
+      begin
+        license_id = YAML::load_file('config/keys.yml')['calais']
+        c_uri = URI.parse('http://api.opencalais.com/enlighten/rest/')
+        post_args = { 'licenseID' => license_id, 'content' => content, 
+                    'paramsXML' => paramsXML('application/json') }
+        post_to(c_uri, post_args)
+      rescue Exception => e
+        puts e
+      end
     end
+  
+    def get_tag_from_json(response)
+      result = JSON.parse response
+      result.delete_if {|key, value| key == "doc" } # ditching the doc
+      cleaned_result = []
+      result.each do |key,tag| 
+        tag = Jkl::clean_unwanted_items_from_hash tag
+        cleaned_result << tag
+        yield tag if block_given?
+      end
 
-    cleaned_result
-  end
+      cleaned_result
+    end
 
-  def self.get_calais_metadata(key, text)
-    name_value_pairs = Jkl::tags(key, text).entities.map{|e| {e.type => [e.attributes["name"]]}}
-    nested_list = {}
-    name_value_pairs.each { |a| nested_list = nested_list.merge!(a){ |key,v1,v2| v1+v2 }}
-    nested_list
-  end
-
-  #jkl doesn't work with these aspects of the calais response, also removing blanks
-  def self.clean_unwanted_items_from_hash h
-    h.delete_if {|k, v| k == "relevance" }
-    h.delete_if {|k, v| k == "instances" }
-    h.delete_if {|k, v| v == "N/A"}
-    h.delete_if {|k, v| v == []}
-    h.delete_if {|k, v| v == ""}
-    h.delete_if {|k, v| k == "_typeGroup"}
-    h
-  end
+    #jkl doesn't work with these aspects of the calais response, also removing blanks
+    def clean_unwanted_items_from_hash h
+      h.delete_if {|k, v| k == "relevance" }
+      h.delete_if {|k, v| k == "instances" }
+      h.delete_if {|k, v| v == "N/A"}
+      h.delete_if {|k, v| v == []}
+      h.delete_if {|k, v| v == ""}
+      h.delete_if {|k, v| k == "_typeGroup"}
+      h
+    end
   
-  private
+    private
 
-  def self.paramsXML(format)
-   <<-paramsXML; 
-    <c:params xmlns:c="http://s.opencalais.com/1/pred/"
-           xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
-           <c:processingDirectives
-           c:contentType="text/txt"
-           c:outputFormat="#{format}">
-           </c:processingDirectives>  
-           <c:userDirectives />
-           <c:externalMetadata />
-           </c:params>
-    paramsXML
+    def paramsXML(format)
+     <<-paramsXML; 
+      <c:params xmlns:c="http://s.opencalais.com/1/pred/"
+             xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
+             <c:processingDirectives
+             c:contentType="text/txt"
+             c:outputFormat="#{format}">
+             </c:processingDirectives>  
+             <c:userDirectives />
+             <c:externalMetadata />
+             </c:params>
+      paramsXML
+    end
+
   end
+
 end