Class: RXFHelper

Inherits:
Object
  • Object
show all
Defined in:
lib/rxfhelper.rb

Overview

Read XML File Helper

Class Method Summary collapse

Class Method Details

.absolute_url(page_url, item_location) ⇒ Object 



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# File 'lib/rxfhelper.rb', line 110

def self.absolute_url(page_url, item_location)

  case item_location

    when /^\//
      URL.join page_url[/https?:\/\/[^\/]+/], item_location

    when /^http/
      item_location

    else
      File.join page_url[/.*\//], item_location
  end
end

.read(x, opt = {}) ⇒ Object

Raises:



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# File 'lib/rxfhelper.rb', line 23

def self.read(x, opt={})   

  raise RXFHelperException, 'nil found, expected a string' if x.nil?
  
  if x.class.to_s =~ /Rexle$/ then
    
    [x.xml, :rexle]
    
  elsif x.strip[/^<(\?xml|[^\?])/] then
    
    [x, :xml]
    
  elsif x.lines.length == 1 then
    
    if x[/\bhttps?:\/\//] then
      
      r = GPDRequest.new(opt[:username], opt[:password]).get(x)
      
      case r.code
      when '404'          
        raise(RXFHelperException, "404 %s not found" % x)
      when '401'          
        raise(RXFHelperException, "401 %s unauthorized access" % x)        
      end
      
      [r.body, :url]
      
    elsif  x[/^dfs:\/\//] then
      
      host = x[/(?<=^dfs:\/\/)[^\/:]+/]
      port = x[/(?<=^dfs:\/\/)[^:]+:(\d+)/,1]  || '61010'
      filename = x[/(?<=^dfs:\/\/)[^\/]+\/(.*)/,1]

      # read the file using the drb_fileclient
      file = DRbFileClient.new host: host, port: port
      
      [file.read(filename), :dfs]        
              
    elsif x[/^file:\/\//] or File.exists?(x) then
      [File.read(File.expand_path(x.sub(%r{^file://}, ''))), :file]
    elsif x =~ /\s/
      [x, :text]
    else
      [x, :unknown]
    end
    
  else

    [x, :unknown]
  end
end

.write(uri, s) ⇒ Object 



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# File 'lib/rxfhelper.rb', line 75

def self.write(uri, s)
  
  case uri
  when /^dfs:\/\//
    
    host = uri[/(?<=^dfs:\/\/)[^\/:]+/]
    port = uri[/(?<=^dfs:\/\/)[^:]+:(\d+)/,1]  || '61010'
    filename = uri[/(?<=^dfs:\/\/)[^\/]+\/(.*)/,1]

    # write the file using the drb_fileclient
    file = DRbFileClient.new host: host, port: port
    file.write filename, s

  else
    File.write(uri, s)
  end
end

.writeable?(source) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rxfhelper.rb', line 93

def self.writeable?(source)

  return false if source.lines.length > 1
  
  if not source =~ /:\/\// then
    
    return true if File.exists? source
    
  else
    
    return true if source =~ /^dfs:/
    
  end
  
  return false
end