* lib/webrick: imported.

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

lib/webrick/httpservlet/erbhandler.rb

@@ -0,0 +1,53 @@
+# 
+# erbhandler.rb -- ERBHandler Class
+# 
+# Author: IPR -- Internet Programming with Ruby -- writers
+# Copyright (c) 2001 TAKAHASHI Masayoshi, GOTOU Yuuzou
+# Copyright (c) 2002 Internet Programming with Ruby writers. All rights
+# reserved.
+# 
+# $IPR: erbhandler.rb,v 1.25 2003/02/24 19:25:31 gotoyuzo Exp $
+
+require 'webrick/httpservlet/abstract.rb'
+
+require 'erb'
+
+module WEBrick
+  module HTTPServlet
+
+    class ERBHandler < AbstractServlet
+      def initialize(server, name)
+        super
+        @script_filename = name
+      end
+
+      def do_GET(req, res)
+        unless defined?(ERB)
+          @logger.warn "#{self.class}: ERB not defined."
+          raise HTTPStatus::Forbidden, "ERBHandler cannot work."
+        end
+        begin
+          data = open(@script_filename){|io| io.read }
+          res.body = evaluate(ERB.new(data), req, res)
+          res['content-type'] = "text/html"
+        rescue StandardError => ex
+          raise
+        rescue Exception => ex
+          @logger.error(ex)
+          raise HTTPStatus::InternalServerError, ex.message
+        end
+      end
+
+      alias do_POST do_GET
+
+      private
+      def evaluate(erb, servlet_request, servlet_response)
+        Module.new.module_eval{
+          meta_vars = servlet_request.meta_vars
+          query = servlet_request.query
+          erb.result(binding)
+        }
+      end
+    end
+  end
+end