MB-28756 Princely::Pdf: add pdf_from_list_to_file to generate from so…

…urce file list

lib/princely/pdf.rb

@@ -85,6 +85,13 @@ def pdf_from_string_to_file(string, output_file)
       end
     end
 
+    def pdf_from_list_to_file(input_file, output_file)
+      with_timeout do
+        pdf = initialize_pdf_from_file_list(input_file, output_file)
+        pdf.close
+      end
+    end
+
   protected
 
     def with_timeout(&block)
@@ -112,6 +119,22 @@ def initialize_pdf_from_string(string, output_file, options = {})
       pdf
     end
 
+    def initialize_pdf_from_file_list(input_file, output_file, options = {})
+      options = {:log_command => true, :output_to_log_file => true}.merge(options)
+      path = exe_path
+      # Don't spew errors to the standard out...and set up to take IO
+      # as input and output
+      path << " --input-list=#{input_file}"
+      path << " --media=#{media}" if media
+      path << " --silent - -o #{output_file}"
+      path << " >> '#{log_file}' 2>> '#{log_file}'" if options[:output_to_log_file]
+
+      log_command path if options[:log_command]
+
+      # Actually call the prince command, and pass the entire data stream back.
+      IO.popen(path, "w+")
+    end
+
     def log_command(path)
       logger.info "\n\nPRINCE XML PDF COMMAND"
       logger.info path