Class: HP::Cloud::LocalResource

Inherits:
Resource
  • Object
show all
Defined in:
lib/hpcloud/local_resource.rb

Instance Attribute Summary

Attributes inherited from Resource

#container, #cstatus, #destination, #fname, #ftype, #path, #public, #public_url, #readers, #restart, #writers

Instance Method Summary collapse

Methods inherited from Resource

#container_head, #copy, #copy_all, #get_destination, #get_mime_type, #grant, #head, #initialize, #isDirectory, #isFile, #isLocal, #isMulti, #isObject, #isRemote, #is_container?, #is_object_store?, #is_shared?, #is_valid?, #not_implemented, #parse, #remove, #revoke, #set_error, #set_mime_type, #set_restart, #tempurl, #to_hash

Constructor Details

This class inherits a constructor from HP::Cloud::Resource

Instance Method Details

#close ⇒ Object 



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# File 'lib/hpcloud/local_resource.rb', line 119

def close()
  @pbar.increment(@lastread) unless @pbar.nil?
  @pbar.finish unless @pbar.nil?
  @lastread = 0
  @pbar = nil
  @file.close unless @file.nil?
  @file = nil
  return true
end

#copy_file(from) ⇒ Object 



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# File 'lib/hpcloud/local_resource.rb', line 129

def copy_file(from)
  if from.isLocal()
    @disable_pbar = true
  end

  return false unless open(true, from.get_size())

  result = true
  if from.isLocal()
    if (from.open() == true)
      while ((chunk = from.read()) != nil) do
        if chunk.empty?
          break
        end
        if ! write(chunk.to_s) then result = false end
      end
      result = false if ! from.close()
    else
      result = false
    end
  else
    from.read() { |chunk|
      if ! write(chunk) 
        result = false
        break
      end
    }
    result = false unless from.close()
    unless from.is_valid?
      set_error(from)
      result = false
    end
  end
  return false unless close()
  return result
end

#foreach(&block) ⇒ Object 



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# File 'lib/hpcloud/local_resource.rb', line 166

def foreach(&block)
  if (isDirectory() == false)
     yield self
    return
  end
  begin
    Dir.foreach(path) { |x|
      if ((x != '.') && (x != '..')) then
        ResourceFactory.create_any(@storage, path + '/' + x).foreach(&block)
      end
    }
  rescue Errno::EACCES
    @cstatus  = CliStatus.new("You don't have permission to access '#{path}'.", :permission_denied)
  end
end

#get_size ⇒ Object 



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# File 'lib/hpcloud/local_resource.rb', line 26

def get_size()
  begin
    return File.size(@fname)
  rescue
    return 0
  end
end

#open(output = false, siz = 0) ⇒ Object 



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# File 'lib/hpcloud/local_resource.rb', line 82

def open(output=false, siz=0)
  close()
  @lastread = 0
  begin
    if (output == true)
      @pbar = Progress.new(@destination, siz)
      @file = File.open(@destination, 'w')
    else
      if (@disable_pbar == false)
        @pbar = Progress.new(@fname, get_size())
      end
      @file = File.open(@fname, 'r')
    end
  rescue Exception => e
    @cstatus = CliStatus.new(e.to_s, :permission_denied)
    return false
  end
  return true
end

#read(siz = Excon::CHUNK_SIZE) ⇒ Object 



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# File 'lib/hpcloud/local_resource.rb', line 102

def read(siz = Excon::CHUNK_SIZE)
  @pbar.increment(@lastread) unless @pbar.nil?
  if siz == 0
    @lastread = 0
    return ''
  end
  val = @file.read(siz).to_s
  @lastread = val.length
  return val
end

#set_destination(name) ⇒ Object 



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# File 'lib/hpcloud/local_resource.rb', line 59

def set_destination(name)
  if (@path.nil?)
    @destination = name
  else
    @destination = File.expand_path(@path)
    if isDirectory()
      @destination = "#{@destination}/#{name}"
      dir_path = File.dirname(File.expand_path(@destination))
    else
      dir_path = File.dirname(@destination)
    end
    if !File.directory?(dir_path)
      begin
        FileUtils.mkpath(dir_path)
      rescue Exception => e
        @cstatus = CliStatus.new("Error creating target directory '#{dir_path}'.", :general_error)
        return false
      end
    end
  end
  return true
end

#valid_destination(source) ⇒ Object 



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# File 'lib/hpcloud/local_resource.rb', line 42

def valid_destination(source)
  if isDirectory()
    dir_path = File.expand_path(@path)
  else
    if source.isMulti() == true
      @cstatus = CliStatus.new("Invalid target for directory/multi-file copy '#{@fname}'.", :incorrect_usage)
      return false
    end
    dir_path = File.expand_path(File.dirname(@path))
  end
  if !File.directory?(dir_path)
    @cstatus = CliStatus.new("No directory exists at '#{dir_path}'.", :not_found)
    return false
  end
  return true
end

#valid_source ⇒ Object 



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# File 'lib/hpcloud/local_resource.rb', line 34

def valid_source()
  if !File.exists?(@fname)
    @cstatus = CliStatus.new("File not found at '#{@fname}'.", :not_found)
    return false
  end
  return true
end

#write(data) ⇒ Object 



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# File 'lib/hpcloud/local_resource.rb', line 113

def write(data)
  @pbar.increment(data.length) unless @pbar.nil?
  @file.write(data)
  return true
end