Class Jabber::Version::Responder
In: lib/xmpp4r/version/helper/responder.rb
Parent: Object

A class to answer version requests using IqQueryVersion

If you don‘t need the flexibility of dynamic responses with the callback you can register with add_version_callback, take a look at SimpleResponder

Methods

Public Class methods

Initialize a new version responder

Registers it‘s callback (prio = 180, ref = self)

stream:[Stream] Where to register callback handlers

[Source]

    # File lib/xmpp4r/version/helper/responder.rb, line 22
22:       def initialize(stream)
23:         @stream = stream
24:         @versioncbs = CallbackList.new
25: 
26:         stream.add_iq_callback(180, self) { |iq|
27:           iq_callback(iq)
28:         }
29:       end

Public Instance methods

Add a callback for Iq stanzas with IqQueryVersion

First argument passed to block is the Iq stanza, second argument is a block, which can be called with software name, version and os

Example:

  my_version_helper.add_version_callback { |iq,block|
    block.call('Cool client', '6.0', 'Cool OS')
  }

[Source]

    # File lib/xmpp4r/version/helper/responder.rb, line 42
42:       def add_version_callback(priority = 0, ref = nil, &block)
43:         @versioncbs.add(priority, ref, block)
44:       end

<iq/> callback handler to answer Software Version queries (registered by constructor and used internally only)

Used internally

[Source]

    # File lib/xmpp4r/version/helper/responder.rb, line 51
51:       def iq_callback(iq)
52:         if iq.type == :get
53:           if iq.query.kind_of?(IqQueryVersion)
54:             replyblock = lambda { |name,version,os|
55:               answer = iq.answer
56:               answer.type = :result
57:               answer.query.set_iname(name).set_version(version).set_os(os)
58: 
59:               @stream.send(answer)
60:               true
61:             }
62:             @versioncbs.process(iq, replyblock)
63:           else
64:             false
65:           end
66:         else
67:           false
68:         end
69:       end

[Validate]