Class: ConsoleAgent::Storage::FileStorage

Inherits:
Base
  • Object
show all
Defined in:
lib/console_agent/storage/file_storage.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(root_path = nil) ⇒ FileStorage

Returns a new instance of FileStorage.



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# File 'lib/console_agent/storage/file_storage.rb', line 9

def initialize(root_path = nil)
  @root_path = root_path || default_root
end

Instance Attribute Details

#root_path ⇒ Object (readonly)

Returns the value of attribute root_path.



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# File 'lib/console_agent/storage/file_storage.rb', line 7

def root_path
  @root_path
end

Instance Method Details

#delete(key) ⇒ Object 



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# File 'lib/console_agent/storage/file_storage.rb', line 38

def delete(key)
  path = full_path(key)
  return false unless File.exist?(path)
  File.delete(path)
  true
rescue Errno::EACCES, Errno::EROFS, IOError => e
  raise StorageError, "Cannot delete #{key}: #{e.message}"
end

#exists?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/console_agent/storage/file_storage.rb', line 34

def exists?(key)
  File.exist?(full_path(key))
end

#list(pattern) ⇒ Object 



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# File 'lib/console_agent/storage/file_storage.rb', line 28

def list(pattern)
  Dir.glob(File.join(@root_path, pattern)).sort.map do |path|
    path.sub("#{@root_path}/", '')
  end
end

#read(key) ⇒ Object 



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# File 'lib/console_agent/storage/file_storage.rb', line 13

def read(key)
  path = full_path(key)
  return nil unless File.exist?(path)
  File.read(path)
end

#write(key, content) ⇒ Object 



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# File 'lib/console_agent/storage/file_storage.rb', line 19

def write(key, content)
  path = full_path(key)
  FileUtils.mkdir_p(File.dirname(path))
  File.write(path, content)
  true
rescue Errno::EACCES, Errno::EROFS, IOError => e
  raise StorageError, "Cannot write #{key}: #{e.message}"
end