# File lib/www/mechanize/chain/header_resolver.rb, line 6
 6:         def initialize(keep_alive, keep_alive_time, cookie_jar, user_agent, headers)
 7:           @keep_alive = keep_alive
 8:           @keep_alive_time = keep_alive_time
 9:           @cookie_jar = cookie_jar
10:           @user_agent = user_agent
11:           @headers = headers
12:         end

    # File lib/www/mechanize/chain/header_resolver.rb, line 14
14:         def handle(ctx, params)
15:           uri = params[:uri]
16:           referer = params[:referer]
17:           request = params[:request]
18: 
19:           if @keep_alive
20:             request['Connection'] = 'keep-alive'
21:             request['Keep-Alive'] = @keep_alive_time.to_s
22:           else
23:             request['Connection'] = 'close'
24:           end
25:           request['Accept-Encoding'] = 'gzip,identity'
26:           request['Accept-Language'] = 'en-us,en;q=0.5'
27:           host = "#{uri.host}#{[80, 443].include?(uri.port.to_i) ? '' : ':' + uri.port.to_s}"
28:           request['Host'] = host
29:           request['Accept-Charset'] = 'ISO-8859-1,utf-8;q=0.7,*;q=0.7'
30:   
31:           unless @cookie_jar.empty?(uri)
32:             cookies = @cookie_jar.cookies(uri)
33:             cookie = cookies.length > 0 ? cookies.join("; ") : nil
34:             request.add_field('Cookie', cookie)
35:           end
36:   
37:           # Add Referer header to request
38:           if referer && referer.uri
39:             request['Referer'] = referer.uri.to_s
40:           end
41:   
42:           # Add User-Agent header to request
43:           request['User-Agent'] = @user_agent if @user_agent 
44: 
45:           @headers.each do |k,v|
46:             request[k] = v
47:           end if request
48:           super
49:         end