Represents a subpart of an email message. It shares many similar attributes of ActionMailer::Base. Although you can create parts manually and add them to the parts list of the mailer, it is easier to use the helper methods in ActionMailer::PartContainer.

Methods
Included Modules
Public Class methods
new(params)

Create a new part from the given params hash. The valid params keys correspond to the accessors.

[ show source ]

    # File lib/action_mailer/part.rb, line 43
43:     def initialize(params)
44:       @content_type = params[:content_type]
45:       @content_disposition = params[:disposition] || "inline"
46:       @charset = params[:charset]
47:       @body = params[:body]
48:       @filename = params[:filename]
49:       @transfer_encoding = params[:transfer_encoding] || "quoted-printable"
50:       @headers = params[:headers] || {}
51:       @parts = []
52:     end
Public Instance methods
to_mail(defaults)

Convert the part to a mail object which can be included in the parts list of another mail object.

[ show source ]

     # File lib/action_mailer/part.rb, line 56
 56:     def to_mail(defaults)
 57:       part = TMail::Mail.new
 58: 
 59:       real_content_type, ctype_attrs = parse_content_type(defaults)
 60: 
 61:       if @parts.empty?
 62:         part.content_transfer_encoding = transfer_encoding || "quoted-printable"
 63:         case (transfer_encoding || "").downcase
 64:           when "base64" then
 65:             part.body = TMail::Base64.folding_encode(body)
 66:           when "quoted-printable"
 67:             part.body = [Utils.normalize_new_lines(body)].pack("M*")
 68:           else
 69:             part.body = body
 70:         end
 71: 
 72:         # Always set the content_type after setting the body and or parts!
 73:         # Also don't set filename and name when there is none (like in
 74:         # non-attachment parts)
 75:         if content_disposition == "attachment"
 76:           ctype_attrs.delete "charset"
 77:           part.set_content_type(real_content_type, nil,
 78:             squish("name" => filename).merge(ctype_attrs))
 79:           part.set_content_disposition(content_disposition,
 80:             squish("filename" => filename).merge(ctype_attrs))
 81:         else
 82:           part.set_content_type(real_content_type, nil, ctype_attrs)
 83:           part.set_content_disposition(content_disposition) 
 84:         end        
 85:       else
 86:         if String === body
 87:           part = TMail::Mail.new
 88:           part.body = body
 89:           part.set_content_type(real_content_type, nil, ctype_attrs)
 90:           part.set_content_disposition "inline"
 91:           m.parts << part
 92:         end
 93:           
 94:         @parts.each do |p|
 95:           prt = (TMail::Mail === p ? p : p.to_mail(defaults))
 96:           part.parts << prt
 97:         end
 98:         
 99:         part.set_content_type(real_content_type, nil, ctype_attrs) if real_content_type =~ /multipart/
100:       end
101: 
102:       headers.each { |k,v| part[k] = v }
103: 
104:       part
105:     end
Private Instance methods
squish(values={})

[ show source ]

     # File lib/action_mailer/part.rb, line 109
109:       def squish(values={})
110:         values.delete_if { |k,v| v.nil? }
111:       end