1 files changed, 172 insertions, 0 deletions
diff --git a/chef/lib/chef/resource.rb b/chef/lib/chef/resource.rb
new file mode 100644
index 0000000000..75349a7927
--- /dev/null
+++ b/chef/lib/chef/resource.rb
@@ -0,0 +1,172 @@
+#
+# Author:: Adam Jacob (<adam@hjksolutions.com>)
+# Copyright:: Copyright (c) 2008 HJK Solutions, LLC
+# 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 File.join(File.dirname(__FILE__), "mixin", "params_validate")
+require File.join(File.dirname(__FILE__), "mixin", "check_helper")
+
+class Chef
+  class Resource
+        
+    include Chef::Mixin::CheckHelper
+    include Chef::Mixin::ParamsValidate
+    
+    attr_accessor :actions, :params, :provider, :updated, :allowed_actions, :collection, :cookbook_name, :recipe_name, :supports
+    attr_reader :resource_name, :source_line, :node
+    
+    def initialize(name, collection=nil, node=nil)
+      @name = name
+      if collection
+        @collection = collection
+      else
+        @collection = Chef::ResourceCollection.new()
+      end
+      @node = node ? node : Chef::Node.new
+      @noop = nil
+      @before = nil
+      @actions = Hash.new
+      @params = Hash.new
+      @provider = nil
+      @allowed_actions = [ :nothing ]
+      @action = :nothing
+      @updated = false
+      @supports = {}
+      @source_line = caller(4).shift.gsub!(/^(.+):(.+):.+$/, '\1 line \2')
+      @source_line = ::File.expand_path(@source_line) if @source_line
+    end
+    
+    def provider(arg=nil)
+      set_or_return(
+        :provider,
+        arg,
+        :kind_of => [ Class ]
+      )
+    end
+    
+    def action(arg=nil)
+      if arg
+        action_list = arg.kind_of?(Array) ? arg : [ arg ]
+        action_list.each do |action|
+          validate(
+            {
+              :action => action,
+            },
+            {
+              :object => { :equal_to => @allowed_actions },
+            }
+          )
+        end
+        @action = action_list
+      else
+        @action
+      end
+    end
+    
+    def name(name=nil)
+      set_if_args(@name, name) do
+        raise ArgumentError, "name must be a string!" unless name.kind_of?(String)
+        @name = name
+      end
+    end
+    
+    def noop(tf=nil)
+      set_if_args(@noop, tf) do 
+        raise ArgumentError, "noop must be true or false!" unless tf == true || tf == false
+        @noop = tf
+      end
+    end
+    
+    def notifies(action, resources, timing=:delayed)
+      timing = check_timing(timing)
+      rarray = resources.kind_of?(Array) ? resources : [ resources ]
+      rarray.each do |resource|
+        action_sym = action.to_sym
+        if @actions.has_key?(action_sym)
+          @actions[action_sym][timing] << resource
+        else
+          @actions[action_sym] = Hash.new
+          @actions[action_sym][:delayed] = Array.new
+          @actions[action_sym][:immediate] = Array.new   
+          @actions[action_sym][timing] << resource
+        end
+      end
+      true
+    end
+    
+    def resources(*args)
+      @collection.resources(*args)
+    end
+    
+    def subscribes(action, resources, timing=:delayed)
+      timing = check_timing(timing)
+      rarray = resources.kind_of?(Array) ? resources : [ resources ]
+      rarray.each do |resource|
+        action_sym = action.to_sym
+        if resource.actions.has_key?(action_sym)
+          resource.actions[action_sym][timing] << self
+        else       
+          resource.actions[action_sym] = Hash.new
+          resource.actions[action_sym][:delayed] = Array.new
+          resource.actions[action_sym][:immediate] = Array.new   
+          resource.actions[action_sym][timing] << self
+        end
+      end
+      true
+    end
+    
+    def is(*args)
+      return *args
+    end
+    
+    def to_s
+      "#{@resource_name}[#{@name}]"
+    end
+    
+    # Serialize this object as a hash 
+    def to_json(*a)
+      instance_vars = Hash.new
+      self.instance_variables.each do |iv|
+        instance_vars[iv] = self.instance_variable_get(iv) unless iv == "@collection"
+      end
+      results = {
+        'json_class' => self.class.name,
+        'instance_vars' => instance_vars
+      }
+      results.to_json(*a)
+    end
+    
+    def self.json_create(o)
+      resource = self.new(o["instance_vars"]["@name"])
+      o["instance_vars"].each do |k,v|
+        resource.instance_variable_set(k.to_sym, v)
+      end
+      resource
+    end
+    
+    private
+      
+      def check_timing(timing)
+        unless timing == :delayed || timing == :immediate || timing == :immediately
+          raise ArgumentError, "Timing must be :delayed or :immediate(ly), you said #{timing}"
+        end
+        if timing == :immediately
+          timing = :immediate
+        end
+        timing
+      end
+  end
+end