lib/easy_gravatar/gravatar.rb in easy_gravatar-1.0.0 vs lib/easy_gravatar/gravatar.rb in easy_gravatar-1.0.1

@@ -6,14 +6,21 @@
   class Gravatar
 
     attr_reader :md5
 
     def initialize(email)
+      if email && email.length > 0
+        @valid_email = true
+      else
+        email = ''
+      end
+
      @md5 = Digest::MD5.hexdigest(email.downcase)
     end
 
     def hash
+      return {} unless @valid_email
       @hash ||= EasyGravatar::JsonParser.for(get_hash).parse
     end
 
     def full_name
       get_value :formattedName
@@ -22,9 +29,10 @@
     def avatar(width = 80)
       "#{get_value(:thumbnailUrl)}?w=#{width}"
     end
 
     def get_value(key, subkey = nil)
+      return '' unless @valid_email
       return '' unless hash[key]
       return '' if subkey and !hash[key][subkey]
 
       return hash[key][subkey] if subkey