Class: JSON::Validator

Inherits:
Object
  • Object
show all
Defined in:
lib/jsi/json-schema-fragments.rb

Instance Method Summary collapse

Constructor Details

#initialize(schema_data, data, opts = {}) ⇒ Validator

Returns a new instance of Validator.



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# File 'lib/jsi/json-schema-fragments.rb', line 142

def initialize(schema_data, data, opts={})
  @options = @@default_opts.clone.merge(opts)
  @errors = []

  validator = self.class.validator_for_name(@options[:version])
  @options[:version] = validator
  @options[:schema_reader] ||= self.class.schema_reader

  @validation_options = @options[:record_errors] ? {:record_errors => true} : {}
  @validation_options[:insert_defaults] = true if @options[:insert_defaults]
  @validation_options[:strict] = true if @options[:strict] == true
  @validation_options[:clear_cache] = true if !@@cache_schemas || @options[:clear_cache]

  @@mutex.synchronize { @base_schema = initialize_schema(schema_data) }
  @original_data = data
  @data = initialize_data(data)
  @@mutex.synchronize { build_schemas(@base_schema) }

  # If the :fragment option is set, try and validate against the fragment
  if opts[:fragment]
    @base_schema = schema_from_fragment(@base_schema, opts[:fragment])
  end

  # validate the schema, if requested
  if @options[:validate_schema]
    if @base_schema.schema["$schema"]
      base_validator = self.class.validator_for_name(@base_schema.schema["$schema"])
    end
    metaschema = base_validator ? base_validator.metaschema : validator.metaschema
    # Don't clear the cache during metaschema validation!
    self.class.validate!(metaschema, @base_schema.schema, {:clear_cache => false})
  end
end

Instance Method Details

#schema_from_fragment(base_schema, fragment) ⇒ Object 



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# File 'lib/jsi/json-schema-fragments.rb', line 176

def schema_from_fragment(base_schema, fragment)
  schema_uri = base_schema.uri

  pointer = JSON::Schema::Pointer.new(:fragment, fragment)

  base_schema = JSON::Schema.new(pointer.evaluate(base_schema.schema), schema_uri, @options[:version])

  if @options[:list]
    base_schema.to_array_schema
  elsif base_schema.is_a?(Hash)
    JSON::Schema.new(base_schema, schema_uri, @options[:version])
  else
    base_schema
  end
end