Contents

#
# Copyright 2014 Red Hat, Inc.
#
# This software is licensed to you under the GNU General Public
# License as published by the Free Software Foundation; either version
# 2 of the License (GPLv2) or (at your option) any later version.
# There is NO WARRANTY for this software, express or implied,
# including the implied warranties of MERCHANTABILITY,
# NON-INFRINGEMENT, or FITNESS FOR A PARTICULAR PURPOSE. You should
# have received a copy of GPLv2 along with this software; if not, see
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.

module Katello
  class HashUtil
    def null_safe_get(hash, default, params)
      # Base case .. if we are down to the last param
      # lets actually try and find the value
      if params.size == 1
        begin
          # If we got back null lets assign the default
          return hash[params[0]] || default
        rescue
          # If we errored out trying to fetch the value we return
          # default value.
          return default
        end
      end
      subhash = hash[params.first]
      # If we don't have a subhash don't try and recurse down
      if !subhash.nil? && !subhash.empty?
        self.null_safe_get(subhash, default, params[1..-1])
      else
        default
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
katello-2.2.2	app/models/katello/hash_util.rb