2 files changed, 20 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/core_ext/object/conversions.rb b/activesupport/lib/active_support/core_ext/object/conversions.rb
index ad752f0fc5..278b856c45 100644
--- a/activesupport/lib/active_support/core_ext/object/conversions.rb
+++ b/activesupport/lib/active_support/core_ext/object/conversions.rb
@@ -9,6 +9,7 @@ class Object
   #
   # Note: This method is defined as a default implementation for all Objects for Hash#to_query to work.
   def to_query(key)
+    require 'cgi' unless defined?(CGI) && defined?(CGI::escape)
     "#{CGI.escape(key.to_s)}=#{CGI.escape(to_param.to_s)}"
   end
-end
-\ No newline at end of file
+end
diff --git a/activesupport/lib/active_support/core_ext/object/misc.rb b/activesupport/lib/active_support/core_ext/object/misc.rb
index cd0a04d32a..46f9c7d676 100644
--- a/activesupport/lib/active_support/core_ext/object/misc.rb
+++ b/activesupport/lib/active_support/core_ext/object/misc.rb
@@ -71,4 +71,22 @@ class Object
   def acts_like?(duck)
     respond_to? "acts_like_#{duck}?"
   end
+
+  # Tries to send the method only if object responds to it. Return +nil+ otherwise.
+  # It will also forward any arguments and/or block like Object#send does.
+  # 
+  # ==== Example :
+  # 
+  # # Without try
+  # @person ? @person.name : nil
+  # 
+  # With try
+  # @person.try(:name)
+  #
+  # # try also accepts arguments/blocks for the method it is trying
+  # Person.try(:find, 1)
+  # @people.try(:map) {|p| p.name}
+  def try(method, *args, &block)
+    send(method, *args, &block) if respond_to?(method, true)
+  end
 end