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gitweb.michael.orlitzky.com - dead/whatever-dl.git/blob - src/website.rb
96290dee3de99ac7d00f34e14298110be82455a0
2 # Copyright Michael Orlitzky
4 # http://michael.orlitzky.com/
6 # This program is free software: you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation, either version 3 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # http://www.fsf.org/licensing/licenses/gpl.html
19 # This class keeps track of all its subclasses
20 # We use this to loop through every "website" in an
21 # attempt to determine to which site a URL belongs.
29 def self.inherited(subclass
)
30 if superclass
.respond_to
? :inherited
31 superclass
.inherited(subclass
)
34 # Every time we're subclassed, add the new
35 # subclass to our list of subclasses.
37 @subclasses << subclass
49 # Factory method returning an instance of
50 # the appropriate subclass.
52 # Check the URL against each website's class.
53 # The class will know whether or not the URL
54 # "belongs" to its website.
55 @subclasses.each
do |w
|
61 # If nothing matched, we don't return an instance
67 # Abstract definition. Each subclass of Website
68 # should support it on its own.
69 def self.owns_url
?(url
)
70 raise NotImplementedError
74 # Same here. Abstract.
76 raise NotImplementedError
80 # The website class should be responsible for determining the
81 # video's filename. By default, we can take the last component
82 # of the video URL, but in some cases, subclasses will want
83 # to override this behavior.
84 def get_video_filename()
85 # Use whatever comes after the final front slash.
86 return get_video_url().split('/').pop()