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Contents
module Lita
# Validates a registry's configuration, checking for required attributes that are missing.
# @since 4.0.0
# @api private
class ConfigurationValidator
# @param registry [Lita::Registry] The registry to validate.
def initialize(registry)
@registry = registry
end
# Validates adapter and handler configuration. Logs a fatal warning and aborts if any required
# configuration attributes are missing.
# @return [void]
def call
validate_adapters
validate_handlers
end
private
# The registry's adapters.
def adapters
@registry.adapters
end
# All a plugin's top-level configuration attributes.
def children_for(plugin)
plugin.configuration_builder.children
end
# Generates the fully qualified name of a configuration attribute.
def full_attribute_name(names, name)
(names + [name]).join(".")
end
# The registry's handlers.
def handlers
@registry.handlers
end
# Validates the registry's adapters.
def validate_adapters
adapters.each_value { |adapter| validate(:adapter, adapter, children_for(adapter)) }
end
# Validates the registry's handlers.
def validate_handlers
handlers.each { |handler| validate(:handler, handler, children_for(handler)) }
end
# Validates an array of attributes, recursing if any nested attributes are encountered.
def validate(type, plugin, attributes, attribute_namespace = [])
attributes.each do |attribute|
if attribute.children?
validate(type, plugin, attribute.children, attribute_namespace.clone.push(attribute.name))
elsif attribute.required? && attribute.value.nil?
Lita.logger.fatal I18n.t(
"lita.config.missing_required_#{type}_attribute",
type => plugin.namespace,
attribute: full_attribute_name(attribute_namespace, attribute.name)
)
abort
end
end
end
end
end
Version data entries
23 entries across 23 versions & 1 rubygems