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module OM::XML::Validation
# Class Methods -- These methods will be available on classes that include this Module
module ClassMethods
attr_accessor :schema_url
attr_writer :schema_file
##
# Validation Support
##
# Validate the given document against the Schema provided by the root_property for this class
def validate(doc)
schema.validate(doc).each do |error|
puts error.message
end
end
# Retrieve the Nokogiri Schema for this class
def schema
@schema ||= Nokogiri::XML::Schema(schema_file.read)
end
# Retrieve the schema file for this class
# If the schema file is not already set, it will be loaded from the schema url provided in the root_property configuration for the class
def schema_file
@schema_file ||= file_from_url(schema_url)
end
# Retrieve file from a url (used by schema_file method to retrieve schema file from the schema url)
def file_from_url( url )
# parsed_url = URI.parse( url )
#
# if parsed_url.class != URI::HTTP
# raise "Invalid URL. Could not parse #{url} as a HTTP url."
# end
begin
file = open( url )
return file
rescue OpenURI::HTTPError => e
raise "Could not retrieve file from #{url}. Error: #{e}"
rescue Exception => e
raise "Could not retrieve file from #{url}. Error: #{e}"
end
end
private :file_from_url
end
# Instance Methods -- These methods will be available on instances of classes that include this module
def self.included(klass)
klass.extend(ClassMethods)
end
def validate
self.class.validate(self)
end
end
Version data entries
36 entries across 36 versions & 2 rubygems