ref: refs/heads/jr-basemodel
commit 95a8b60a2c5fb0a46d418fabf1b4ee404dfd4e7e
Author: Josef Reidinger
Date: Wed Dec 9 17:09:36 2009 +0100
add xml serialization to base model
---
webservice/lib/base_model/base.rb | 1 +
webservice/lib/base_model/serialization.rb | 37 ++++++++++++++++++++
.../lib/base_model/serializers/xml_serializer.rb | 26 ++++++++++++++
webservice/test/unit/base_model_test.rb | 10 +++++
4 files changed, 74 insertions(+), 0 deletions(-)
diff --git a/webservice/lib/base_model/base.rb b/webservice/lib/base_model/base.rb
index f9ed7f3..0e89cc0 100644
--- a/webservice/lib/base_model/base.rb
+++ b/webservice/lib/base_model/base.rb
@@ -44,6 +44,7 @@ module BaseModel
include BaseModel::MassAssignment
+ include BaseModel::Serialization
end
end
diff --git a/webservice/lib/base_model/serialization.rb b/webservice/lib/base_model/serialization.rb
new file mode 100644
index 0000000..56a8a86
--- /dev/null
+++ b/webservice/lib/base_model/serialization.rb
@@ -0,0 +1,37 @@
+module BaseModel
+ module Serialization
+ class Serializer
+ attr_reader :options
+
+ def initialize(model,options={})
+ @model = model
+ @options = options
+ @attributes = options[:attributes]
+ unless @attributes
+ @attributes = model.instance_variables.collect { |v| v.to_sym }
+ end
+ end
+
+ #to overwrite
+ def serialize
+ end
+ end
+
+ module ClassMethods
+ def attr_serialized(*args)
+ @attr_serialized ||= []
+ @attr_serialized.concat args
+ end
+
+ def serialized_attributes
+ @attr_serialized
+ end
+ end
+
+ def self.included(base)
+ base.extend ClassMethods
+ end
+
+ end
+end
+require 'base_model/serializers/xml_serializer'
diff --git a/webservice/lib/base_model/serializers/xml_serializer.rb b/webservice/lib/base_model/serializers/xml_serializer.rb
new file mode 100644
index 0000000..9cee3a3
--- /dev/null
+++ b/webservice/lib/base_model/serializers/xml_serializer.rb
@@ -0,0 +1,26 @@
+module BaseModel
+ module Serialization
+ def to_xml(options={},&block)
+ options[:attributes] = self.class.serialized_attributes
+ serializer = XmlSerializer.new(self,options)
+ block_given? ? serializer.serialize(&block) : serializer.serialize
+ end
+
+ def from_xml(xml)
+ load(Hash.from_xml(xml).values.first)
+ self
+ end
+
+ class XmlSerializer < BaseModel::Serialization::Serializer
+ def serialize
+ root = options[:root] || @model.class.model_name.singular
+ builder = options[:builder] || Builder::XmlMarkup.new(options)
+ builder.tag!(root){
+ @attributes.each do |attr|
+ builder.tag!(attr.to_s[1..-1],@model.instance_variable_get(attr))
+ end
+ }
+ end
+ end
+ end
+end
diff --git a/webservice/test/unit/base_model_test.rb b/webservice/test/unit/base_model_test.rb
index edde777..0e9c1b0 100644
--- a/webservice/test/unit/base_model_test.rb
+++ b/webservice/test/unit/base_model_test.rb
@@ -53,4 +53,14 @@ MASS_DATA = { :arg1 => "last", :arg2 => "5", :callback_used => false }
assert_equal "last", test2.arg1
assert test2.arg2.nil?
end
+
+ def test_xml_serialization
+ test= Test.new(MASS_DATA)
+ xml = test.to_xml
+ assert xml
+ test2 = Test.new
+ test2.from_xml xml
+ assert_equal "last", test2.arg1
+ assert_equal "5", test2.arg2
+ end
end
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