Module: Gzr::FileHelper

Included in:
Commands::Alert::Cat, Commands::Alert::Import, Commands::Attribute::Cat, Commands::Attribute::Import, Commands::Connection::Cat, Commands::Connection::Import, Commands::Connection::Rm, Commands::Dashboard::Cat, Commands::Dashboard::Import, Commands::Folder::Cat, Commands::Folder::Export, Commands::Look::Cat, Commands::Look::Import, Commands::Model::Cat, Commands::Model::Import, Commands::Model::Set::Cat, Commands::Model::Set::Import, Commands::Permission::Set::Cat, Commands::Permission::Set::Import, Commands::Plan::Cat, Commands::Plan::Import, Commands::Project::Cat, Commands::Project::Import, Commands::Project::Update, Commands::Role::Cat, Commands::User::Cat
Defined in:
lib/gzr/modules/filehelper.rb

Instance Method Summary collapse

Instance Method Details

#read_file(file_name) {|data_hash || {}| ... } ⇒ Object

Yields:

  • (data_hash || {}) 


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# File 'lib/gzr/modules/filehelper.rb', line 78

def read_file(file_name)
  file = nil
  data_hash = nil
  begin
    file = (file_name.kind_of? StringIO) ? file_name : File.open(file_name)
    data_hash = JSON.parse(file.read,{:symbolize_names => true})
  ensure
    file.close if file
  end
  return (data_hash || {}) unless block_given?

  yield data_hash || {}
end

#write_file(file_name = nil, base_dir = nil, path = nil, output = $stdout) ⇒ Object 



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# File 'lib/gzr/modules/filehelper.rb', line 30

def write_file(file_name=nil,base_dir=nil,path=nil,output=$stdout)
  f = nil
  if base_dir.respond_to?(:mkdir)&& (base_dir.respond_to?(:add_file) || base_dir.respond_to?(:get_output_stream)) then
    if path then
      @archived_paths ||= Array.new
      begin
        base_dir.mkdir(path.to_path, 0755) unless @archived_paths.include?(path.to_path)
      rescue Errno::EEXIST => e
        nil
      end
      @archived_paths << path.to_path
    end
    fn = Pathname.new(file_name.gsub('/',"\u{2215}"))
    fn = path + fn if path
    if base_dir.respond_to?(:add_file)
      base_dir.add_file(fn.to_path, 0644) do |tf|
        yield tf
      end
    elsif base_dir.respond_to?(:get_output_stream)
      base_dir.get_output_stream(fn.to_path, 0644) do |zf|
        yield zf
      end
    end
    return
  end

  base = Pathname.new(File.expand_path(base_dir)) if base_dir
  begin
    p = Pathname.new(path) if path
    p.descend do |path_part|
      test_dir = base + Pathname.new(path_part)
      Dir.mkdir(test_dir) unless (test_dir.exist? && test_dir.directory?)
    end if p
    file = Pathname.new(file_name.gsub('/',"\u{2215}").gsub(':','')) if file_name
    file = p + file if p
    file = base + file if base
    f = File.open(file, "wt") if file
  end if base

  return ( f || output ) unless block_given?
  begin
    yield ( f || output )
  ensure
    f.close if f
  end
  nil
end