JSON: split encoding and coercion

1 files changed, 35 insertions, 0 deletions

diff --git a/activesupport/lib/active_support/json/decoding.rb b/activesupport/lib/active_support/json/decoding.rb
new file mode 100644
index 0000000000..5d4caa362f
--- /dev/null
+++ b/activesupport/lib/active_support/json/decoding.rb
@@ -0,0 +1,35 @@
+require 'active_support/core_ext/module/attribute_accessors'
+
+module ActiveSupport
+  # Look for and parse json strings that look like ISO 8601 times.
+  mattr_accessor :parse_json_times
+
+  module JSON
+    class << self
+      delegate :decode, :to => :backend
+
+      def backend
+        @backend || begin
+          self.backend = "Yaml"
+          @backend
+        end
+      end
+
+      def backend=(name)
+        if name.is_a?(Module)
+          @backend = name
+        else
+          require "active_support/json/backends/#{name.to_s.downcase}.rb"
+          @backend = ActiveSupport::JSON::Backends::const_get(name)
+        end
+      end
+
+      def with_backend(name)
+        old_backend, self.backend = backend, name
+        yield
+      ensure
+        self.backend = old_backend
+      end
+    end
+  end
+end