Maven migration (first draft)

legacy/utilities/languageSupport/translateDisplayNames/display_name_common.rb

@@ -0,0 +1,47 @@
+#!/usr/bin/ruby
+=begin
+--------------------------------------------------------------------------------
+--------------------------------------------------------------------------------
+=end 
+
+require 'rubygems'
+require 'rdf'
+require 'rdf/rdfxml'
+require 'rdf/ntriples'
+require 'rdf/n3'
+
+include RDF
+
+DISPLAY_NAME_URI = RDF::URI.new("http://vitro.mannlib.cornell.edu/ns/vitro/ApplicationConfiguration#displayName")
+
+class UsageError < StandardError; end
+class FilterError < StandardError; end
+
+    
+class DisplayNameCommon
+  # ------------------------------------------------------------------------------------
+  private
+  # ------------------------------------------------------------------------------------
+
+  # ------------------------------------------------------------------------------------
+  public
+  # ------------------------------------------------------------------------------------
+
+  def self.load_filter(filter_file)
+    return lambda{|s| true} unless filter_file
+    return eval(IO.read(filter_file))
+  rescue
+    raise FilterError.new($!.message)
+  end
+  
+  def initialize(rdf_file, &filter)
+    @filter = filter.nil? ? lambda{true} : filter
+    @graph = Graph.load(rdf_file)
+  end
+  
+  def process(query, &filter)
+    solutions = query.execute(@graph)
+    solutions.filter!(&filter)
+    solutions.order(:prop)
+  end
+end