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Contents
module Blather
##
# Stream Errors
# RFC3920 Section 9.3 (http://xmpp.org/rfcs/rfc3920.html#streams-error-rules)
class StreamError < BlatherError
STREAM_ERR_NS = 'urn:ietf:params:xml:ns:xmpp-streams'
register :stream_error
attr_reader :text, :extras
##
# Factory method for instantiating the proper class
# for the error
def self.import(node)
name = node.find_first('descendant::*[name()!="text"]', STREAM_ERR_NS).element_name
text = node.find_first 'descendant::*[name()="text"]', STREAM_ERR_NS
text = text.content if text
extras = node.find("descendant::*[namespace-uri()!='#{STREAM_ERR_NS}']").map { |n| n }
self.new name, text, extras
end
##
# <tt>text</tt> is the (optional) error message.
# <tt>extras</tt> should be an array of nodes to attach to the error
# each extra should be in an application specific namespace
# see RFC3920 Section 4.7.2 (http://xmpp.org/rfcs/rfc3920.html#rfc.section.4.7.2)
def initialize(name, text = nil, extras = [])
@name = name
@text = text
@extras = extras
end
def name
@name.gsub('-','_').to_sym
end
##
# Creates an XML node from the error
def to_node
node = XMPPNode.new('stream:error')
node << (err = XMPPNode.new(@name, node.document))
err.namespace = 'urn:ietf:params:xml:ns:xmpp-streams'
if self.text
node << (text = XMPPNode.new('text', node.document))
text.namespace = 'urn:ietf:params:xml:ns:xmpp-streams'
text.content = self.text
end
self.extras.each { |extra| node << extra.dup }
node
end
##
# Turns the object into XML fit to be sent over the stream
def to_xml
to_node.to_s
end
def inspect # :nodoc:
"Stream Error (#{@name}): #{self.text}" + (self.extras.empty? ? '' : " [#{self.extras}]")
end
alias_method :to_s, :inspect # :nodoc:
end #StreamError
end #Blather
Version data entries
13 entries across 13 versions & 2 rubygems