Class: Awsum::Ec2::VolumeParser

Inherits:
Parser show all
Defined in:
lib/ec2/volume.rb

Overview

:nodoc:

Instance Method Summary collapse

Methods inherited from Parser

#parse, #xmldecl

Constructor Details

#initialize(ec2) ⇒ VolumeParser

Returns a new instance of VolumeParser.



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# File 'lib/ec2/volume.rb', line 64

def initialize(ec2)
  @ec2 = ec2
  @volumes = []
  @text = nil
  @stack = []
end

Instance Method Details

#result ⇒ Object 



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# File 'lib/ec2/volume.rb', line 132

def result
  @volumes
end

#tag_end(tag) ⇒ Object 



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# File 'lib/ec2/volume.rb', line 96

def tag_end(tag)
  case tag
    when 'DescribeVolumesResponse'
      #no-op
    when 'volumeSet', 'attachmentSet'
      @stack.pop
    when 'item', 'CreateVolumeResponse'
      case @stack[-1]
        when 'volumeSet'
          @volumes << Volume.new(
                          @ec2,
                          @current['volumeId'], 
                          @current['instanceId'], 
                          @current['size'].to_i, 
                          @current['status'],
                          @current['createTime'].blank? ? nil :Time.parse(@current['createTime']),
                          @current['snapshotId'], 
                          @current['device'],
                          @current['attachTime'].blank? ? nil :Time.parse(@current['attachTime']),
                          @current['availabilityZone'],
                          @current['attachment_status']
                        )
      end
    else
      unless @text.nil? || @current.nil?
        text = @text.strip
        #Handle special case for attachmentSet/status
        if @stack[-1] == 'attachmentSet' && tag == 'status'
          @current['attachment_status'] = (text == '' ? nil : text)
        else
          @current[tag] = (text == '' ? nil : text)
        end
      end
  end
end

#tag_start(tag, attributes) ⇒ Object 



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# File 'lib/ec2/volume.rb', line 71

def tag_start(tag, attributes)
  #Quick hack so we can use the same parser for CreateVolume which doesn't use the item tag to wrap the volume information
  if tag == 'CreateVolumeResponse'
    @stack << 'volumeSet'
  end

  case tag
    when 'volumeSet'
      @stack << 'volumeSet'
    when 'attachmentSet'
      @stack << 'attachmentSet'
    when 'item', 'CreateVolumeResponse'
      case @stack[-1]
        when 'volumeSet'
          @current = {}
        when 'attachmentSet'
      end
  end
  @text = ''
end

#text(text) ⇒ Object 



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# File 'lib/ec2/volume.rb', line 92

def text(text)
  @text << text unless @text.nil?
end