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diff --git a/jni/ruby/lib/xmlrpc/utils.rb b/jni/ruby/lib/xmlrpc/utils.rb
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+++ b/jni/ruby/lib/xmlrpc/utils.rb
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+#
+# Copyright (C) 2001, 2002, 2003 by Michael Neumann (mneumann@ntecs.de)
+#
+# $Id: utils.rb 36958 2012-09-13 02:22:10Z zzak $
+#
+module XMLRPC # :nodoc:
+
+
+  # This module enables a user-class to be marshalled
+  # by XML-RPC for Ruby into a Hash, with one additional
+  # key/value pair <code>___class___ => ClassName</code>
+  #
+  module Marshallable
+  end
+
+
+  # Defines ParserWriterChooseMixin, which makes it possible to choose a
+  # different XMLWriter and/or XMLParser then the default one.
+  #
+  # The Mixin is used in client.rb (class XMLRPC::Client)
+  # and server.rb (class XMLRPC::BasicServer)
+  module ParserWriterChooseMixin
+
+    # Sets the XMLWriter to use for generating XML output.
+    #
+    # Should be an instance of a class from module XMLRPC::XMLWriter.
+    #
+    # If this method is not called, then XMLRPC::Config::DEFAULT_WRITER is used.
+    def set_writer(writer)
+      @create = Create.new(writer)
+      self
+    end
+
+    # Sets the XMLParser to use for parsing XML documents.
+    #
+    # Should be an instance of a class from module XMLRPC::XMLParser.
+    #
+    # If this method is not called, then XMLRPC::Config::DEFAULT_PARSER is used.
+    def set_parser(parser)
+      @parser = parser
+      self
+    end
+
+    private
+
+    def create
+      # if set_writer was not already called then call it now
+      if @create.nil? then
+        set_writer(Config::DEFAULT_WRITER.new)
+      end
+      @create
+    end
+
+    def parser
+      # if set_parser was not already called then call it now
+      if @parser.nil? then
+        set_parser(Config::DEFAULT_PARSER.new)
+      end
+      @parser
+    end
+
+  end # module ParserWriterChooseMixin
+
+
+  module Service
+
+  # Base class for XMLRPC::Service::Interface definitions, used
+  # by XMLRPC::BasicServer#add_handler
+  class BasicInterface
+    attr_reader :prefix, :methods
+
+    def initialize(prefix)
+      @prefix = prefix
+      @methods = []
+    end
+
+    def add_method(sig, help=nil, meth_name=nil)
+      mname = nil
+      sig = [sig] if sig.kind_of? String
+
+      sig = sig.collect do |s|
+        name, si = parse_sig(s)
+        raise "Wrong signatures!" if mname != nil and name != mname
+        mname = name
+        si
+      end
+
+      @methods << [mname, meth_name || mname, sig, help]
+    end
+
+    private
+
+    def parse_sig(sig)
+      # sig is a String
+      if sig =~ /^\s*(\w+)\s+([^(]+)(\(([^)]*)\))?\s*$/
+        params = [$1]
+        name   = $2.strip
+        $4.split(",").each {|i| params << i.strip} if $4 != nil
+        return name, params
+      else
+        raise "Syntax error in signature"
+      end
+    end
+
+  end # class BasicInterface
+
+  #
+  # Class which wraps a XMLRPC::Service::Interface definition, used
+  # by XMLRPC::BasicServer#add_handler
+  #
+  class Interface < BasicInterface
+    def initialize(prefix, &p)
+      raise "No interface specified" if p.nil?
+      super(prefix)
+      instance_eval(&p)
+    end
+
+    def get_methods(obj, delim=".")
+      prefix = @prefix + delim
+      @methods.collect { |name, meth, sig, help|
+        [prefix + name.to_s, obj.method(meth).to_proc, sig, help]
+      }
+    end
+
+    private
+
+    def meth(*a)
+      add_method(*a)
+    end
+
+  end # class Interface
+
+  class PublicInstanceMethodsInterface < BasicInterface
+    def initialize(prefix)
+      super(prefix)
+    end
+
+    def get_methods(obj, delim=".")
+      prefix = @prefix + delim
+      obj.class.public_instance_methods(false).collect { |name|
+        [prefix + name.to_s, obj.method(name).to_proc, nil, nil]
+      }
+    end
+  end
+
+
+  end # module Service
+
+
+  #
+  # Short-form to create a XMLRPC::Service::Interface
+  #
+  def self.interface(prefix, &p)
+    Service::Interface.new(prefix, &p)
+  end
+
+  # Short-cut for creating a XMLRPC::Service::PublicInstanceMethodsInterface
+  def self.iPIMethods(prefix)
+    Service::PublicInstanceMethodsInterface.new(prefix)
+  end
+
+
+  module ParseContentType
+    def parse_content_type(str)
+      a, *b = str.split(";")
+      return a.strip.downcase, *b
+    end
+  end
+
+end # module XMLRPC
+