# File lib/atom/service.rb, line 92
 92:     def initialize(service_url = "", http = Atom::HTTP.new)
 93:       super("service")
 94:       
 95:       @http = http
 96: 
 97:       return if service_url.empty?
 98: 
 99:       base = URI.parse(service_url)
100: 
101:       rxml = nil
102: 
103:       res = @http.get(base, "Accept" => "application/atomserv+xml")
104:       res.validate_content_type(["application/atomserv+xml"])
105: 
106:       unless res.code == "200" # XXX needs to handle redirects, &c.
107:         raise WrongResponse, "service document URL responded with unexpected code #{res.code}"
108:       end
109: 
110:       parse(res.body, base)
111:     end

     # File lib/atom/service.rb, line 114
114:     def parse xml, base = ""
115:       rxml = if xml.is_a? REXML::Document
116:         xml.root
117:       elsif xml.is_a? REXML::Element
118:         xml
119:       else 
120:         REXML::Document.new(xml)
121:       end
122: 
123:       unless rxml.root.namespace == PP_NS
124:         raise WrongNamespace, "this isn't an atom service document!"
125:       end
126: 
127:       REXML::XPath.match( rxml, "/app:service/app:workspace", {"app" => Atom::PP_NS} ).each do |ws_el|
128:         self.workspaces << Atom::Workspace.parse(ws_el, base, @http)
129:       end
130: 
131:       self
132:     end

     # File lib/atom/service.rb, line 135
135:     def to_xml
136:       doc = REXML::Document.new
137:       
138:       root = REXML::Element.new "service"
139:       root.add_namespace Atom::PP_NS
140:       root.add_namespace "atom", Atom::NS
141: 
142:       self.workspaces.each do |ws|
143:         root << ws.to_element
144:       end
145: 
146:       doc << root
147:       doc
148:     end