Sha256: a0e3136baa8c55ca65f078e3b9bb14facaff358f2f0c8cc1bbcbe85ab9abe7cf
Contents?: true
Size: 1.41 KB
Versions: 4
Compression:
Stored size: 1.41 KB
Contents
require 'open-uri'
module OpenContent
class Extractor
class << self
attr_reader :logger
def process(source, logger)
@logger = logger
extract_locally(source) or extract_remotely(source) or extract_from_string(source)
raise ArgumentError, "Could not determine what #{source.inspect} was. Cannot extract this data." unless @raw
@raw
end
protected
# Handles local filename cases, reading the contents of the file.
def extract_locally(filename)
@raw = File.read(filename) if File.exist?(filename)
self.logger.info "Extracted the data from from filesystem" if @raw
@raw ? true : false
end
# Handles remote uri cases, reading the remote resource with open-uri, part of the Standard Library
def extract_remotely(uri)
begin
open(uri) {|f| @raw = f.read}
self.logger.info "Extracted the data from a remote location."
return true
rescue
self.logger.info "Tested whether #{uri} was a remote resource. Failed to read it."
return false
end
end
# If this is a string, assumes that the contents of the string are CSV contents.
def extract_from_string(string)
@raw = string if string.is_a?(String)
@raw ? true : false
end
end
end
end
Version data entries
4 entries across 4 versions & 1 rubygems