Class: Zip::ZipStreamableStream

Inherits:

ZipEntry

• Object
• ZipEntry
• Zip::ZipStreamableStream

show all

Defined in:

lib/zip/zip_streamable_stream.rb

Overview

Constant Summary

Constant Summary

Constants inherited from ZipEntry

Zip::ZipEntry::CDIR_ENTRY_STATIC_HEADER_LENGTH, Zip::ZipEntry::CENTRAL_DIRECTORY_ENTRY_SIGNATURE, Zip::ZipEntry::DEFLATED, Zip::ZipEntry::EFS, Zip::ZipEntry::FSTYPES, Zip::ZipEntry::FSTYPE_ACORN, Zip::ZipEntry::FSTYPE_AMIGA, Zip::ZipEntry::FSTYPE_ATARI, Zip::ZipEntry::FSTYPE_ATHEOS, Zip::ZipEntry::FSTYPE_BEOS, Zip::ZipEntry::FSTYPE_CPM, Zip::ZipEntry::FSTYPE_FAT, Zip::ZipEntry::FSTYPE_HPFS, Zip::ZipEntry::FSTYPE_MAC, Zip::ZipEntry::FSTYPE_MAC_OSX, Zip::ZipEntry::FSTYPE_MVS, Zip::ZipEntry::FSTYPE_NTFS, Zip::ZipEntry::FSTYPE_QDOS, Zip::ZipEntry::FSTYPE_TANDEM, Zip::ZipEntry::FSTYPE_THEOS, Zip::ZipEntry::FSTYPE_TOPS20, Zip::ZipEntry::FSTYPE_UNIX, Zip::ZipEntry::FSTYPE_VFAT, Zip::ZipEntry::FSTYPE_VMS, Zip::ZipEntry::FSTYPE_VM_CMS, Zip::ZipEntry::FSTYPE_Z_SYSTEM, Zip::ZipEntry::LOCAL_ENTRY_SIGNATURE, Zip::ZipEntry::LOCAL_ENTRY_STATIC_HEADER_LENGTH, Zip::ZipEntry::LOCAL_ENTRY_TRAILING_DESCRIPTOR_LENGTH, Zip::ZipEntry::STORED, Zip::ZipEntry::VERSION_NEEDED_TO_EXTRACT

Instance Attribute Summary

Attributes inherited from ZipEntry

#comment, #compressed_size, #compression_method, #crc, #externalFileAttributes, #extra, #filepath, #follow_symlinks, #fstype, #ftype, #gp_flags, #header_signature, #localHeaderOffset, #name, #restore_ownership, #restore_permissions, #restore_times, #size, #unix_gid, #unix_perms, #unix_uid, #zipfile

Instance Method Summary (collapse)

• - (Object) get_input_stream
• - (Object) get_output_stream
• - (ZipStreamableStream) initialize(entry) constructor

  A new instance of ZipStreamableStream.

• - (Object) write_to_zip_output_stream(aZipOutputStream)

Methods inherited from ZipEntry

#<=>, #==, #calculate_local_header_size, #cdir_header_size, #comment_in, #directory?, #extract, #file?, #file_stat, #gather_fileinfo_from_srcpath, #get_extra_attributes_from_path, #get_raw_input_stream, #local_entry_offset, #name_encoding, #name_in, #name_is_directory?, #next_header_offset, #parent_as_string, #read_c_dir_entry, read_c_dir_entry, #read_local_entry, read_local_entry, #set_extra_attributes_on_path, set_unicode_names, #symlink?, #time, #time=, #to_s, unicode_names?, #write_c_dir_entry, #write_local_entry

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# File 'lib/zip/zip_streamable_stream.rb', line 3

def initialize(entry)
  super(entry)
  @tempFile = Tempfile.new(File.basename(name), File.dirname(zipfile))
  @tempFile.binmode
end

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# File 'lib/zip/zip_streamable_stream.rb', line 21

def get_input_stream
  if ! @tempFile.closed?
    raise StandardError, "cannot open entry for reading while its open for writing - #{name}"
  end
  @tempFile.open # reopens tempfile from top
  @tempFile.binmode
  if block_given?
    begin
      yield(@tempFile)
    ensure
      @tempFile.close
    end
  else
    @tempFile
  end
end

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# File 'lib/zip/zip_streamable_stream.rb', line 9

def get_output_stream
  if block_given?
    begin
      yield(@tempFile)
    ensure
      @tempFile.close
    end
  else
    @tempFile
  end
end

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# File 'lib/zip/zip_streamable_stream.rb', line 38

def write_to_zip_output_stream(aZipOutputStream)
  aZipOutputStream.put_next_entry(self)
  get_input_stream { |is| IOExtras.copy_stream(aZipOutputStream, is) } 
end