Sha256: 73e2d770599e5cdcc7afdf57987a9a83c0599792c4e53ecca82754d380faddc5
Contents?: true
Size: 1.83 KB
Versions: 28
Compression:
Stored size: 1.83 KB
Contents
require_relative 'abstract_command_handler'
require_relative '../namespace_cache/namespace_cache'
require_relative '../type_cache/type_cache'
class GetTypeHandler < AbstractCommandHandler
def initialize
@required_parameters_count = 1
@namespace_cache = NamespaceCache.instance
@type_cache = TypeCache.instance
end
def process(command)
begin
if command.payload.length < @required_parameters_count
raise "#{self.class.name} parameters mismatch!"
end
type_to_return = _get_type_from_payload(command)
if type_to_return.nil?
raise "Type #{command.payload[0]} not found"
end
if (@namespace_cache.is_namespace_cache_empty? && @type_cache.is_type_cache_empty?) || # both caches are empty
@namespace_cache.is_type_allowed(type_to_return) || # namespace is allowed
@type_cache.is_type_allowed(type_to_return)
# continue - type is allowed
else
allowed_namespaces = @namespace_cache.get_cached_namespaces.join(", ")
allowed_types = @type_cache.get_cached_types.join(", ")
raise "Type #{type_to_return.name} not allowed. \nAllowed namespaces: #{allowed_namespaces}\nAllowed types: #{allowed_types}"
end
type_to_return
rescue Exception => e
return e
end
end
private
def _get_type_from_payload(command)
if command.payload.length == 1
type_name = command.payload[0].split("::")
if type_name.length == 1
return Object::const_get(type_name[0])
else
return _get_type_from_nested_payload(type_name)
end
else
return _get_type_from_nested_payload(command.payload)
end
end
def _get_type_from_nested_payload(payload)
loaded_module = Object::const_get(payload[0..-2].join("::"))
loaded_module.const_get(payload[-1])
end
end
Version data entries
28 entries across 14 versions & 1 rubygems