Class: UrlStore::CompactEncoder
- Inherits:
-
Object
- Object
- UrlStore::CompactEncoder
- Defined in:
- lib/url_store/compact_encoder.rb
Instance Method Summary collapse
- #decode(data) ⇒ Object
- #encode(data) ⇒ Object
-
#initialize(options = {}) ⇒ CompactEncoder
constructor
A new instance of CompactEncoder.
Constructor Details
#initialize(options = {}) ⇒ CompactEncoder
Returns a new instance of CompactEncoder.
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# File 'lib/url_store/compact_encoder.rb', line 6 def initialize(={}) @secret = [:secret] || raise('i need a :secret !!') @hasher = [:hasher] || 'SHA1' @serializer = [:serializer] || :marshal end |
Instance Method Details
#decode(data) ⇒ Object
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# File 'lib/url_store/compact_encoder.rb', line 17 def decode(data) hash = data[-hash_length..-1] data = data[0...-hash_length] if digest(data) == hash deserialize extract(data) else nil end end |
#encode(data) ⇒ Object
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# File 'lib/url_store/compact_encoder.rb', line 12 def encode(data) data = compress(serialize(data)) data+digest(data) end |