Class: MarketplaceRepository

Inherits:
VmRepository show all
Defined in:
lib/ovfparse/marketplace_repository.rb

Constant Summary

Constants inherited from VmRepository

VmRepository::ALLOWABLE_PKG_TYPES, VmRepository::ALLOWABLE_PROTOCOLS, VmRepository::STRICT_CHECKING, VmRepository::USE_CACHE

Instance Attribute Summary

Attributes inherited from VmRepository

#protocol, #repo, #url

Instance Method Summary collapse

Methods inherited from VmRepository

ESXParse, FTParse, HTTParse, LSParse, create, #get, #initialize, #simplePackageConstruction, #uri

Constructor Details

This class inherits a constructor from VmRepository

Instance Method Details

#fetch ⇒ Object 



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# File 'lib/ovfparse/marketplace_repository.rb', line 26

def fetch
  #retrieve data from http server
  begin
    raw_html = open(uri)
  rescue
    if(uri.match(/\/$/) != nil)
      begin
        raw_html = open(uri[0..-2])
        @url = @url[0..-2]
      rescue Exception => e
        #something useful
        raise "Tried getting rid of the trailing slash but still no dice: " + e.message
      end
    else
      #something useful
      raise "No trailing slash so this is probably a dead URL"
    end
  end
  if (raw_html)  

    #parse out package list from index html
    package_list = parse(raw_html) 

    #construct package objects based on results
    return listPackages(package_list)
  end
end

#listPackages(package_list) ⇒ Object 



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# File 'lib/ovfparse/marketplace_repository.rb', line 54

def listPackages(package_list)
  packages = Array.new
  package_list.each { |pkg|
    fullpath = (pkg['basepath'] + pkg['filename']).to_s
    package = VmPackage.create(fullpath)
    package.base_path = pkg['basepath']
    package.name = pkg['filename']

    packages.push(package)
  }

  return packages
end

#parse(raw_html) ⇒ Object 



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# File 'lib/ovfparse/marketplace_repository.rb', line 6

def parse (raw_html) 
  file_list = Array.new
  
  xml = Nokogiri::XML(raw_html) do |config|
    config.noblanks.strict.noent
  end

  entries = xml.root.children.select { |element| element.name == 'entry' }

  entries.each { |entry|
     repository = entry.children.detect { |element| element.name == 'repository' }
     basepath = repository.children.detect { |element| element.name == 'basepath' }
     filename = repository.children.detect { |element| element.name == 'filename' }

     file_list.push( {'basepath' => basepath.content, 'filename' => filename.content} )
  }

  return file_list
end