Class: MemoryFileManager

Inherits:
FileManager show all
Defined in:
lib/memory_file_manager.rb

Instance Attribute Summary

Attributes inherited from FileManager

#options

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ MemoryFileManager

Returns a new instance of MemoryFileManager.



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# File 'lib/memory_file_manager.rb', line 5

def initialize(options)
  super
  @data = {}
end

Instance Method Details

#copy_file(source_file_name, target_file_name) ⇒ Object 



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# File 'lib/memory_file_manager.rb', line 44

def copy_file source_file_name, target_file_name
  @data["#{target_file_name}"] = @data["#{source_file_name}"] || (raise FileNotFoundError.new("No such file '#{source_file_name}'"))
end

#delete_file(file_name) ⇒ Object 



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# File 'lib/memory_file_manager.rb', line 26

def delete_file file_name
  @data.delete "#{file_name}"
end

#download_to_temp_file(file_name) ⇒ Object 



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# File 'lib/memory_file_manager.rb', line 30

def download_to_temp_file(file_name)
  Dir.mktmpdir do |dir|
    temp_file = "#{dir}/#{Pathname(file_name).basename}"
    content = read_file(file_name)
    File.open(temp_file, 'w') { |file| file.write(content) }
    yield(temp_file)
  end
end

#list_files(prefix = '', file_extension = '*') ⇒ Object 



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# File 'lib/memory_file_manager.rb', line 18

def list_files(prefix = '', file_extension = '*')
  if prefix == '' && file_extension == '*'
    return @data.keys
  end

  @data.keys.select{|key| key.start_with?(prefix) && key.end_with?(".#{file_extension}")}
end

#read_file(file_name) ⇒ Object 



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# File 'lib/memory_file_manager.rb', line 10

def read_file file_name
  @data["#{file_name}"] || (raise FileNotFoundError.new("No such file '#{file_name}'"))
end

#rename_file(original_file_name, target_file_name) ⇒ Object 



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# File 'lib/memory_file_manager.rb', line 39

def rename_file original_file_name, target_file_name
  @data["#{target_file_name}"] = @data["#{original_file_name}"] || (raise FileNotFoundError.new("No such file '#{original_file_name}'"))
  @data.delete "#{original_file_name}"
end

#save_file(file_name, file_contents, write_options = {}) ⇒ Object 



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# File 'lib/memory_file_manager.rb', line 14

def save_file(file_name, file_contents, write_options = {})
  @data["#{file_name}"] = file_contents.to_s
end