Class: RXFHelper

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

Overview

Read XML File Helper

Class Method Summary collapse

Class Method Details

.call(s, val = nil) ⇒ Object 



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# File 'lib/rxfhelper.rb', line 46

def self.call(s, val=nil)

  if s.start_with? 'odrb' then

    if s =~ /^odrb:\/\/[^:]+:\d+/ then
      return OneDrb::Client.call(s)
    else
      return OneDrb::Client.call(s, port: '57844')
    end

  end

  if val then

    name = s =~ /^sps:/ ? :pub : :set
    self.method(name).call(s, val)

  elsif s =~ /=/

    uri, val = s.split(/=/)
    self.set uri, val

  else

    self.get s

  end

end

.exists?(filename) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rxfhelper.rb', line 76

def self.exists?(filename)

  type = self.filetype(filename)

  filex = case type
  when :file
    File
  when :dfs
    DfsFile
  when :sqlite
    host = filename[/(?<=^sqlite:\/\/)[^\/]+/]
    DRbObject.new nil, "druby://#{host}:57000"
  else
    nil
  end

  return nil unless filex

  filex.exists? filename

end

.filetype(x) ⇒ Object 



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# File 'lib/rxfhelper.rb', line 98

def self.filetype(x)

  return :string if x.lines.length > 1

  case x
  when /^rse:\/\//
    :rse
  when /^https?:\/\//
    :http
  when /^dfs:\/\//
    :dfs
  when /^sqlite:\/\//
    :sqlite
  when /^file:\/\//
    :file
  else

    if File.exists?(x) then
      :file
    else
      :text
    end

  end
end

.get(x) ⇒ Object

Raises:



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# File 'lib/rxfhelper.rb', line 125

def self.get(x)

  raise RXFHelperException, 'nil found, expected a string' if x.nil?

  if x[/^rse:\/\//] then

    RSC.new.get x

  elsif x[/^reg:\/\//] then

    r = DRbRegClient.new.get(x)
    r.is_a?(Rexle::Element::Value) ? r.to_s : r

  else
    [x, :unknown]
  end

end

.objectize(contents) ⇒ Object

used by self.read



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# File 'lib/rxfhelper.rb', line 146

def self.objectize(contents)

  doctype = contents.lines.first[/(?<=^<\?)\w+/]

  if doctype == 'xml' then
    doc = Rexle.new(contents)
    e = doc.root.element('summary/recordx_type')
    doctype = e.text.to_s if e
  end

  reg = RemoteDwsRegistry.new domain: 'reg.lookup', port: '9292'
  r = reg.get_key 'hkey_gems/doctype/' + doctype

  return contents unless r

  require r.text('require')

  obj = Object.const_get(r.text('class')).new
  obj.import contents
  obj
end

.post(uri, x = nil) ⇒ Object

# 20th February 2022 # JR

# the following code has been commented out because it appears to be redundant

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

Raises:



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# File 'lib/rxfhelper.rb', line 314

def self.post(uri, x=nil)

  raise RXFHelperException, 'nil found, expected a string' if uri.nil?

  if uri[/^rse:\/\//] then
    RSC.new.post uri, x

  elsif uri[/^reg:\/\//]

    DRbRegClient.new.set(uri, x)
  else
    [uri, :unknown]
  end

end

.pub(s, value) ⇒ Object 



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# File 'lib/rxfhelper.rb', line 168

def self.pub(s, value)

  r = s.match(/(?<=sps:\/\/)(?<host>[^\/:]+):?(?<port>\d+)?\/(?<topic>.*)/)
  SPSPub.notice "%s: %s" % [r[:topic], value], host: r[:host],
      port: r[:port] || '59000'

end

.read(x, h = {}) ⇒ Object

Raises:



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# File 'lib/rxfhelper.rb', line 176

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

  opt = {debug: false, auto: false}.merge(h)

  debug = opt[:debug]

  puts 'x: ' + x.inspect if opt[:debug]
  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

    puts 'x.lines == 1'.info if debug

    if x[/^https?:\/\//] then

      puts 'before GPDRequest'.info if debug

      r = if opt[:username] and opt[:password] then
        GPDRequest.new(opt[:username], opt[:password]).get(x)
      else
        response = RestClient.get(x)
      end

      case r.code
      when '404'
        raise(RXFHelperException, "404 %s not found" % x)
      when '401'
        raise(RXFHelperException, "401 %s unauthorized access" % x)
      end

      obj = opt[:auto] ? objectize(r.body) :   r.body

      [obj, :url]

    elsif  x[/^dfs:\/\//] then

      r = DfsFile.read(x).force_encoding('UTF-8')
      [opt[:auto] ? objectize(r) : r, :dfs]

    elsif  x[/^ftp:\/\//] then

      [MyMediaFTP.read(x), :ftp]

    elsif x[/^rse:\/\//] then

       [RSC.new.get(x), :rse]

    elsif x[/^reg:\/\//] then

      r = DRbRegClient.new.get(x)
      [r.is_a?(Rexle::Element::Value) ? r.to_s : r, :reg]

    elsif x[/^file:\/\//] or File.exists?(x) then

      puts 'RXFHelper.read before File.read' if opt[:debug]
      contents = File.read(File.expand_path(x.sub(%r{^file://}, '')))

      puts 'contents2: ' + contents.inspect if opt[:debug]

      puts 'opt: ' + opt.inspect if opt[:debug]

      obj = opt[:auto] ? objectize(contents) :   contents

      [obj, :file]

    elsif x =~ /\s/
      [x, :text]
    elsif DfsFile.exists?(x)
      [DfsFile.read(x).force_encoding('UTF-8'), :dfs]
    else
      [x, :unknown]
    end

  else

    [x, :unknown]
  end
end

.set(uri, x = nil) ⇒ Object

Raises:



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# File 'lib/rxfhelper.rb', line 330

def self.set(uri, x=nil)

  raise RXFHelperException, 'nil found, expected a string' if uri.nil?
  puts 'uri: ' + uri.inspect

  if uri[/^rse:\/\//] then
    RSC.new.post uri, x

  elsif uri[/^reg:\/\//]

    DRbRegClient.new.set(uri, x)
  else
    [uri, :unknown]
  end

end

.write(location, s = nil) ⇒ Object 



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# File 'lib/rxfhelper.rb', line 263

def self.write(location, s=nil)

  case location
  when /^dfs:\/\//

    DfsFile.write location, s

  when  /^ftp:\/\// then

    MyMediaFTP.write location, s

  when /^rse:\/\//

    RSC.new.post(location, s)

  when /^reg:\/\//

    DRbRegClient.new.set(location, s)

  else

    if DfsFile.exists?(File.dirname(location)) then
      DfsFile.write location, s
    else
      File.write(location, s)
    end

  end

end