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gitweb.michael.orlitzky.com - dead/whatever-dl.git/blob - src/website.rb
ef96dc11fd32f6407a199ee2c033ecd4e40721eb
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 # Necessary in a lot of subclasses; plus, we need it
20 # to parse the server name out of our URL.
23 # Needed to download.. things.
26 # This class keeps track of all its subclasses
27 # We use this to loop through every "website" in an
28 # attempt to determine to which site a URL belongs.
36 def self.inherited(subclass
)
37 if superclass
.respond_to
? :inherited
38 superclass
.inherited(subclass
)
41 # Every time we're subclassed, add the new
42 # subclass to our list of subclasses.
44 @subclasses << subclass
49 # Get the HTTP server portion of our URI
56 def get_page_data(url
)
57 # A naive implementation that just grabs the
61 response
= Net
::HTTP.start(uri
.host
, uri
.port
) do |http
|
62 http
.get(uri
.request_uri
)
78 # Factory method returning an instance of
79 # the appropriate subclass.
81 # Check the URL against each website's class.
82 # The class will know whether or not the URL
83 # "belongs" to its website.
84 @subclasses.each
do |w
|
90 # If nothing matched, we don't return an instance
96 # Abstract definition. Each subclass of Website
97 # should support it on its own.
98 def self.owns_url
?(url
)
99 raise NotImplementedError
103 # Same here. Abstract.
105 raise NotImplementedError
109 # The website class should be responsible for determining the
110 # video's filename. By default, we can take the last component
111 # of the video URL, but in some cases, subclasses will want
112 # to override this behavior.
113 def get_video_filename()
114 # Use whatever comes after the final front slash.
115 return get_video_url().split('/').pop()