Method: Concrete::FileCacheMap#loadData

Defined in:
lib/concrete/file_cache_map.rb

#loadData(keyPath) ⇒ Object

load data associated with file keyPath returns :invalid in case either the associated file or the cache file has changed



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# File 'lib/concrete/file_cache_map.rb', line 27

def loadData(keyPath)
  cf = cacheFile(keyPath)
  return :invalid unless File.exist?(cf)
  result = nil
  File.open(cf, "rb") do |f|
    checksum = f.read(41)[0..39]
    data = f.read
    if calcSha1(data) == checksum
      if calcSha1(keyData(keyPath)) == data[0..39]
        result = data[41..-1]
      else
        result = :invalid
      end
    else
      result = :invalid
    end
  end 
  result
end