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diff --git a/lib/chef/data_bag.rb b/lib/chef/data_bag.rb
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+#
+# Author:: Adam Jacob (<adam@opscode.com>)
+# Author:: Nuo Yan (<nuo@opscode.com>)
+# Author:: Christopher Brown (<cb@opscode.com>)
+# Copyright:: Copyright (c) 2009 Opscode, Inc.
+# License:: Apache License, Version 2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+require 'chef/config'
+require 'chef/mixin/params_validate'
+require 'chef/mixin/from_file'
+require 'chef/data_bag_item'
+require 'chef/mash'
+require 'chef/json_compat'
+
+class Chef
+ class DataBag
+
+ include Chef::Mixin::FromFile
+ include Chef::Mixin::ParamsValidate
+
+ VALID_NAME = /^[\-[:alnum:]_]+$/
+
+ def self.validate_name!(name)
+ unless name =~ VALID_NAME
+ raise Exceptions::InvalidDataBagName, "DataBags must have a name matching #{VALID_NAME.inspect}, you gave #{name.inspect}"
+ end
+ end
+
+ # Create a new Chef::DataBag
+ def initialize
+ @name = ''
+ end
+
+ def name(arg=nil)
+ set_or_return(
+ :name,
+ arg,
+ :regex => VALID_NAME
+ )
+ end
+
+ def to_hash
+ result = {
+ "name" => @name,
+ 'json_class' => self.class.name,
+ "chef_type" => "data_bag",
+ }
+ result
+ end
+
+ # Serialize this object as a hash
+ def to_json(*a)
+ to_hash.to_json(*a)
+ end
+
+ def chef_server_rest
+ Chef::REST.new(Chef::Config[:chef_server_url])
+ end
+
+ def self.chef_server_rest
+ Chef::REST.new(Chef::Config[:chef_server_url])
+ end
+
+ # Create a Chef::Role from JSON
+ def self.json_create(o)
+ bag = new
+ bag.name(o["name"])
+ bag
+ end
+
+ def self.list(inflate=false)
+ if inflate
+ # Can't search for all data bags like other objects, fall back to N+1 :(
+ list(false).inject({}) do |response, bag_and_uri|
+ response[bag_and_uri.first] = load(bag_and_uri.first)
+ response
+ end
+ else
+ Chef::REST.new(Chef::Config[:chef_server_url]).get_rest("data")
+ end
+ end
+
+ # Load a Data Bag by name via either the RESTful API or local data_bag_path if run in solo mode
+ def self.load(name)
+ if Chef::Config[:solo]
+ unless File.directory?(Chef::Config[:data_bag_path])
+ raise Chef::Exceptions::InvalidDataBagPath, "Data bag path '#{Chef::Config[:data_bag_path]}' is invalid"
+ end
+
+ Dir.glob(File.join(Chef::Config[:data_bag_path], "#{name}", "*.json")).inject({}) do |bag, f|
+ item = JSON.parse(IO.read(f))
+ bag[item['id']] = item
+ bag
+ end
+ else
+ Chef::REST.new(Chef::Config[:chef_server_url]).get_rest("data/#{name}")
+ end
+ end
+
+ def destroy
+ chef_server_rest.delete_rest("data/#{@name}")
+ end
+
+ # Save the Data Bag via RESTful API
+ def save
+ begin
+ if Chef::Config[:why_run]
+ Chef::Log.warn("In whyrun mode, so NOT performing data bag save.")
+ else
+ chef_server_rest.put_rest("data/#{@name}", self)
+ end
+ rescue Net::HTTPServerException => e
+ raise e unless e.response.code == "404"
+ chef_server_rest.post_rest("data", self)
+ end
+ self
+ end
+
+ #create a data bag via RESTful API
+ def create
+ chef_server_rest.post_rest("data", self)
+ self
+ end
+
+ # As a string
+ def to_s
+ "data_bag[#{@name}]"
+ end
+
+ end
+end
+