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Size: 1.82 KB
Versions: 8
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Stored size: 1.82 KB
Contents
##
# Download is a pluggable parser for downloading files without loading them
# into memory first. You may subclass this class to handle content types you
# do not wish to load into memory first.
#
# See Mechanize::PluggableParser for instructions on using this class.
class Mechanize::Download
include Mechanize::Parser
##
# The filename for this file based on the content-disposition of the
# response or the basename of the URL
attr_accessor :filename
##
# Accessor for the IO-like that contains the body
attr_reader :body_io
alias content body_io
##
# Creates a new download retrieved from the given +uri+ and +response+
# object. The +body_io+ is an IO-like containing the HTTP response body and
# +code+ is the HTTP status.
def initialize uri = nil, response = nil, body_io = nil, code = nil
@uri = uri
@body_io = body_io
@code = code
@full_path = false unless defined? @full_path
fill_header response
extract_filename
yield self if block_given?
end
##
# The body of this response as a String.
#
# Take care, this may use lots of memory if the response body is large.
def body
@body_io.read.tap { @body_io.rewind }
end
##
# Saves a copy of the body_io to +filename+
# returns the filename
def save filename = nil
filename = find_free_name filename
save! filename
end
alias save_as save
##
# Use this method to save the content of body_io to +filename+.
# This method will overwrite any existing filename that exists with the
# same name.
# returns the filename
def save! filename = nil
filename ||= @filename
dirname = File.dirname filename
FileUtils.mkdir_p dirname
open filename, 'wb' do |io|
until @body_io.eof? do
io.write @body_io.read 16384
end
end
filename
end
end
Version data entries
8 entries across 8 versions & 2 rubygems