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Contents
require 'zip'
# This is a simple example which uses rubyzip to
# recursively generate a zip file from the contents of
# a specified directory. The directory itself is not
# included in the archive, rather just its contents.
#
# Usage:
# directory_to_zip = "/tmp/input"
# output_file = "/tmp/out.zip"
# zf = ZipFileGenerator.new(directory_to_zip, output_file)
# zf.write()
module PolicyManager
class ZipGenerator
# Initialize with the directory to zip and the location of the output archive.
def initialize(input_dir, output_file)
@input_dir = input_dir
@output_file = output_file
end
# Zip the input directory.
def write
entries = Dir.entries(@input_dir) - %w(. ..)
::Zip::File.open(@output_file, ::Zip::File::CREATE) do |zipfile|
write_entries entries, '', zipfile
end
end
private
# A helper method to make the recursion work.
def write_entries(entries, path, zipfile)
entries.each do |e|
zipfile_path = path == '' ? e : File.join(path, e)
disk_file_path = File.join(@input_dir, zipfile_path)
puts "Deflating #{disk_file_path}"
if File.directory? disk_file_path
recursively_deflate_directory(disk_file_path, zipfile, zipfile_path)
else
put_into_archive(disk_file_path, zipfile, zipfile_path)
end
end
end
def recursively_deflate_directory(disk_file_path, zipfile, zipfile_path)
zipfile.mkdir zipfile_path
subdir = Dir.entries(disk_file_path) - %w(. ..)
write_entries subdir, zipfile_path, zipfile
end
def put_into_archive(disk_file_path, zipfile, zipfile_path)
zipfile.get_output_stream(zipfile_path) do |f|
f.write(File.open(disk_file_path, 'rb').read)
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems