1 files changed, 123 insertions, 0 deletions
diff --git a/lib/chef/chef_fs/file_system/rest_list_entry.rb b/lib/chef/chef_fs/file_system/rest_list_entry.rb
new file mode 100644
index 0000000000..dd504ef341
--- /dev/null
+++ b/lib/chef/chef_fs/file_system/rest_list_entry.rb
@@ -0,0 +1,123 @@
+#
+# Author:: John Keiser (<jkeiser@opscode.com>)
+# Copyright:: Copyright (c) 2012 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/chef_fs/file_system/base_fs_object'
+require 'chef/chef_fs/file_system/not_found_error'
+require 'chef/role'
+require 'chef/node'
+
+class Chef
+  module ChefFS
+    module FileSystem
+      class RestListEntry < BaseFSObject
+        def initialize(name, parent, exists = nil)
+          super(name, parent)
+          @exists = exists
+        end
+
+        def api_path
+          if name.length < 5 || name[-5,5] != ".json"
+            raise "Invalid name #{path}: must end in .json"
+          end
+          api_child_name = name[0,name.length-5]
+          "#{parent.api_path}/#{api_child_name}"
+        end
+
+        def environment
+          parent.environment
+        end
+
+        def exists?
+          if @exists.nil?
+            begin
+              @exists = parent.children.any? { |child| child.name == name }
+            rescue Chef::ChefFS::FileSystem::NotFoundError
+              @exists = false
+            end
+          end
+          @exists
+        end
+
+        def delete(recurse)
+          begin
+            rest.delete_rest(api_path)
+          rescue Net::HTTPServerException
+            if $!.response.code == "404"
+              raise Chef::ChefFS::FileSystem::NotFoundError.new($!), "#{path_for_printing} not found"
+            else
+              raise
+            end
+          end
+        end
+
+        def read
+          Chef::JSONCompat.to_json_pretty(chef_object.to_hash)
+        end
+
+        def chef_object
+          begin
+            # REST will inflate the Chef object using json_class
+            rest.get_rest(api_path)
+          rescue Net::HTTPServerException
+            if $!.response.code == "404"
+              raise Chef::ChefFS::FileSystem::NotFoundError.new($!), "#{path_for_printing} not found"
+            else
+              raise
+            end
+          end
+        end
+
+        def compare_to(other)
+          begin
+            other_value = other.read
+          rescue Chef::ChefFS::FileSystem::NotFoundError
+            return [ nil, nil, :none ]
+          end
+          begin
+            value = chef_object.to_hash
+          rescue Chef::ChefFS::FileSystem::NotFoundError
+            return [ false, :none, other_value ]
+          end
+          are_same = (value == Chef::JSONCompat.from_json(other_value, :create_additions => false))
+          [ are_same, Chef::JSONCompat.to_json_pretty(value), other_value ]
+        end
+
+        def rest
+          parent.rest
+        end
+
+        def write(file_contents)
+          json = Chef::JSONCompat.from_json(file_contents).to_hash
+          base_name = name[0,name.length-5]
+          if json['name'] != base_name
+            raise "Name in #{path_for_printing}/#{name} must be '#{base_name}' (is '#{json['name']}')"
+          end
+          begin
+            rest.put_rest(api_path, json)
+          rescue Net::HTTPServerException
+            if $!.response.code == "404"
+              raise Chef::ChefFS::FileSystem::NotFoundError.new($!), "#{path_for_printing} not found"
+            else
+              raise
+            end
+          end
+        end
+      end
+    end
+  end
+end