Class: LogStash::PluginMixins::ValidatorSupport::NamedValidationInterceptor Private

Inherits:
Module
  • Object
show all
Defined in:
lib/logstash/plugin_mixins/validator_support.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

A NamedValidationInterceptor intercepts requests to validate input with the given name and instead substitutes its own implementation. This implementation will override Logstash core functionality.

Instance Method Summary collapse

Constructor Details

#initialize(validator_name, validator) ⇒ NamedValidationInterceptor

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of NamedValidationInterceptor.

Parameters:

  • validator_name (Symbol)
  • validator (#validate) 


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# File 'lib/logstash/plugin_mixins/validator_support.rb', line 68

def initialize(validator_name, validator)
  fail(ArgumentError, '`validator_name` must be a Symbol')          unless validator_name.kind_of?(Symbol)
  fail(ArgumentError, '`validator` must respond to `\#{validate}`') unless validator.respond_to?(:validate)

  define_method(:validate_value) do |value, required_validator|
    if required_validator != validator_name
      super(value, required_validator)
    else
      value = deep_replace(value)
      value = hash_or_array(value)

      validator.validate(value)
    end
  end

  define_singleton_method(:name) { "#{NamedValidationInterceptor}(#{validator_name})" }
end