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Diffstat (limited to 'lib/chef/json_compat.rb')
-rw-r--r-- | lib/chef/json_compat.rb | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/lib/chef/json_compat.rb b/lib/chef/json_compat.rb new file mode 100644 index 0000000000..9f59a41839 --- /dev/null +++ b/lib/chef/json_compat.rb @@ -0,0 +1,53 @@ +# +# Author:: Tim Hinderliter (<tim@opscode.com>) +# Copyright:: Copyright (c) 2010 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. + +# Wrapper class for interacting with JSON. + +require 'json' +require 'yajl' + +class Chef + class JSONCompat + JSON_MAX_NESTING = 1000 + + class <<self + # See CHEF-1292/PL-538. Increase the max nesting for JSON, which defaults + # to 19, and isn't enough for some (for example, a Node within a Node) + # structures. + def opts_add_max_nesting(opts) + if opts.nil? || !opts.has_key?(:max_nesting) + opts = opts.nil? ? Hash.new : opts.clone + opts[:max_nesting] = JSON_MAX_NESTING + end + opts + end + + # Just call the JSON gem's parse method with a modified :max_nesting field + def from_json(source, opts = {}) + ::JSON.parse(source, opts_add_max_nesting(opts)) + end + + def to_json(obj, opts = nil) + obj.to_json(opts_add_max_nesting(opts)) + end + + def to_json_pretty(obj, opts = nil) + ::JSON.pretty_generate(obj, opts_add_max_nesting(opts)) + end + end + end +end |