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ex_json_schema

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A JSON Schema validator with full support for the draft 4 specification and zero dependencies.

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ex_json_schema lib ex_json_schema validator max_length.ex
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lib/ex_json_schema/validator/max_length.ex 

defmodule ExJsonSchema.Validator.MaxLength do

  @moduledoc """

  `ExJsonSchema.Validator` implementation for `"maxLength"` attributes.



  See:



  """



  alias ExJsonSchema.Validator.Error



  @behaviour ExJsonSchema.Validator



  @impl ExJsonSchema.Validator

  def validate(_, _, {"maxLength", max_length}, data, _) do

    do_validate(max_length, data)

  end



  def validate(_, _, _, _, _) do

    []

  end



  defp do_validate(max_length, data) when is_bitstring(data) do

    length = String.length(data)



    if length <= max_length do

      []

    else

      [%Error{error: %Error.MaxLength{expected: max_length, actual: length}}]

    end

  end



  defp do_validate(_, _) do

    []

  end

end