* lib/webrick: imported.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4130 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/webrick/httpservlet/abstract.rb

@@ -0,0 +1,71 @@
+#
+# httpservlet.rb -- HTTPServlet Module
+#
+# Author: IPR -- Internet Programming with Ruby -- writers
+# Copyright (c) 2000 TAKAHASHI Masayoshi, GOTOU Yuuzou
+# Copyright (c) 2002 Internet Programming with Ruby writers. All rights
+# reserved.
+#
+# $IPR: abstract.rb,v 1.24 2003/07/11 11:16:46 gotoyuzo Exp $
+
+require 'thread'
+
+require 'webrick/htmlutils'
+require 'webrick/httputils'
+require 'webrick/httpstatus'
+
+module WEBrick
+  module HTTPServlet
+    class HTTPServletError < StandardError; end
+
+    class AbstractServlet
+      def self.get_instance(config, *options)
+        self.new(config, *options)
+      end
+
+      def initialize(server, *options)
+        @server = @config = server
+        @logger = @server[:Logger]
+        @options = options
+      end
+
+      def service(req, res)
+        method_name = "do_" + req.request_method.gsub(/-/, "_")
+        if respond_to?(method_name)
+          __send__(method_name, req, res)
+        else
+          raise HTTPStatus::MethodNotAllowed,
+                "unsupported method `#{req.request_method}'."
+        end
+      end
+
+      def do_GET(req, res)
+        raise HTTPStatus::NotFound, "not found."
+      end
+
+      def do_HEAD(req, res)
+        do_GET(req, res)
+      end
+
+      def do_OPTIONS(req, res)
+        m = self.methods.grep(/^do_[A-Z]+$/)
+        m.collect!{|i| i.sub(/do_/, "") }
+        m.sort!
+        res["allow"] = m.join(",")
+      end
+
+      private
+
+      def redirect_to_directory_uri(req, res)
+        if req.path[-1] != ?/
+          location = req.path + "/"
+          if req.query_string && req.query_string.size > 0
+            location << "?" << req.query_string
+          end
+          res.set_redirect(HTTPStatus::MovedPermanently, location)
+        end
+      end
+    end
+
+  end
+end