Class: XRD::ResourceDescriptor

Inherits:
Object
  • Object
show all
Includes:
SAXMachine, Properties
Defined in:
lib/xrd/resource_descriptor.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Properties

included, #properties

Instance Attribute Details

#expires ⇒ Object

Returns the value of attribute expires.



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# File 'lib/xrd/resource_descriptor.rb', line 53

def expires
  @expires
end

#subject ⇒ Object

Returns the value of attribute subject.



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# File 'lib/xrd/resource_descriptor.rb', line 63

def subject
  @subject
end

Class Method Details

.fetch_and_parse(uri, adapter = HTTPAdapter::NetHTTPRequestAdapter, connection = nil) ⇒ Object 



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# File 'lib/xrd/resource_descriptor.rb', line 27

def self.fetch_and_parse(
    uri, adapter=HTTPAdapter::NetHTTPRequestAdapter, connection=nil)
  resource_descriptor = XRD::ResourceDescriptor.new
  resource_descriptor.base_uri = uri
  request = [
    'GET', resource_descriptor.base_uri.to_str,
    [['Accept', 'application/xrd+xml,application/xml;q=0.9,*/*;q=0.9']],
    ['']
  ]
  response = HTTPAdapter.transmit(request, adapter, connection)
  status, headers, body = response
  xrd_content = ""
  body.each do |chunk|
    xrd_content += chunk
  end
  return self.parse(xrd_content)
end

Instance Method Details

#add_aliases(new_alias) ⇒ Object 



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# File 'lib/xrd/resource_descriptor.rb', line 73

def add_aliases(new_alias)
  return self.aliases << Addressable::URI.parse(new_alias)
end

#aliases ⇒ Object 



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# File 'lib/xrd/resource_descriptor.rb', line 69

def aliases
  return @aliases ||= []
end

#base_uri ⇒ Object 



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# File 'lib/xrd/resource_descriptor.rb', line 45

def base_uri
  return @base_uri ||= nil
end

#base_uri=(new_base_uri) ⇒ Object 



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# File 'lib/xrd/resource_descriptor.rb', line 49

def base_uri=(new_base_uri)
  @base_uri = Addressable::URI.parse(new_base_uri)
end

#inspect ⇒ String

Returns a String representation of the resource descriptor object’s state.

Returns:

  • (String) —

    The resource descriptor object’s state, as a String.



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# File 'lib/xrd/resource_descriptor.rb', line 115

def inspect
  sprintf(
    "#<%s:%#0x SUBJECT:%s>",
    self.class.to_s, self.object_id, self.subject
  )
end

#links(query = {}) ⇒ Object 



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# File 'lib/xrd/resource_descriptor.rb', line 77

def links(query={})
  @links ||= []
  if query.empty?
    return @links
  else
    result_set = []
    for link in @links
      matched = query.all? do |field, condition|
        case field
        when :rel
          condition === link.rel
        when :media_type, :type
          if link.media_type.kind_of?(String) &&
              !condition.include?('/')
            link.media_type.to_s.index(condition) == 0
          else
            condition === link.media_type
          end
        when :href, :uri
          if condition.respond_to?(:match)
            condition.match(link.href)
          else
            condition === link.href
          end
        end
      end
      result_set << link if matched
    end
    return result_set
  end
end