lib/puppet/util/methodhelper.rb


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# Where we store helper methods related to, um, methods.
module Puppet::Util::MethodHelper
    def requiredopts(*names)
        names.each do |name|
            devfail("#{name} is a required option for #{self.class}") if self.send(name).nil?
        end
    end

    # Iterate over a hash, treating each member as an attribute.
    def set_options(options)
        options.each do |param,value|
            method = param.to_s + "="
            if respond_to? method
                self.send(method, value)
            else
                raise ArgumentError, "Invalid parameter #{param} to object class #{self.class}"
            end
        end
    end

    # Take a hash and convert all of the keys to symbols if possible.
    def symbolize_options(options)
        options.inject({}) do |hash, opts|
            if opts[0].respond_to? :intern
                hash[opts[0].intern] = opts[1]
            else
                hash[opts[0]] = opts[1]
            end
            hash
        end
    end
end