# File lib/www/mechanize/chain/connection_resolver.rb, line 7
 7:         def initialize( connection_cache,
 8:                         keep_alive,
 9:                         proxy_addr,
10:                         proxy_port,
11:                         proxy_user,
12:                         proxy_pass )
13: 
14:           @connection_cache = connection_cache
15:           @keep_alive = keep_alive
16:           @proxy_addr = proxy_addr
17:           @proxy_port = proxy_port
18:           @proxy_user = proxy_user
19:           @proxy_pass = proxy_pass
20:         end

    # File lib/www/mechanize/chain/connection_resolver.rb, line 22
22:         def handle(ctx, params)
23:           uri = params[:uri]
24:           http_obj = nil
25: 
26:           case uri.scheme.downcase
27:           when 'http', 'https'
28:             cache_obj = (@connection_cache["#{uri.host}:#{uri.port}"] ||= {
29:               :connection         => nil,
30:               :keep_alive_options => {},
31:             })
32:             http_obj = cache_obj[:connection]
33:             if http_obj.nil? || ! http_obj.started?
34:               http_obj = cache_obj[:connection] =
35:                   Net::HTTP.new( uri.host,
36:                           uri.port,
37:                           @proxy_addr,
38:                           @proxy_port,
39:                           @proxy_user,
40:                           @proxy_pass
41:                         )
42:               cache_obj[:keep_alive_options] = {}
43:             end
44: 
45:             # If we're keeping connections alive and the last request time is too
46:             # long ago, stop the connection.  Or, if the max requests left is 1,
47:             # reset the connection.
48:             if @keep_alive && http_obj.started?
49:               opts = cache_obj[:keep_alive_options]
50:               if((opts[:timeout] &&
51:                  Time.now.to_i - cache_obj[:last_request_time] > opts[:timeout].to_i) ||
52:                   opts[:max] && opts[:max].to_i == 1)
53:   
54:                 Mechanize.log.debug('Finishing stale connection') if Mechanize.log
55:                 http_obj.finish
56:   
57:               end
58:             end
59: 
60:             cache_obj[:last_request_time] = Time.now.to_i
61:           when 'file'
62:             http_obj = Object.new
63:             class << http_obj
64:               def started?; true; end
65:               def request(request, *args, &block)
66:                 response = FileResponse.new(request.uri.path)
67:                 yield response
68:               end
69:             end
70:           end
71: 
72:           params[:connection] = http_obj
73:           super
74:         end