frictionlessdata\tableschema\Fields\FieldsFactory

Complexity

Total Complexity

6

Size/Duplication

Total Lines	54
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	2

Importance

Changes	1
Bugs	0	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	field()	0	14	3
A	infer()	0	14	3

<?php
namespace frictionlessdata\tableschema\Fields;

use frictionlessdata\tableschema\Exceptions\FieldValidationException;
use frictionlessdata\tableschema\SchemaValidationError;

class FieldsFactory
{
    /**
     * list of all the available field classes
     * ordered in infer order - the most strict field first
     */
    public static $fieldClasses = [
        "\\frictionlessdata\\tableschema\\Fields\\IntegerField",
        "\\frictionlessdata\\tableschema\\Fields\\NumberField",
        "\\frictionlessdata\\tableschema\\Fields\\StringField",
    ];

    /**
     * get a new field object in the correct type according to the descriptor
     * @param object $descriptor
     * @return BaseField
     * @throws \Exception
     */
    public static function field($descriptor)
    {
        foreach (static::$fieldClasses as $fieldClass) {
            /** @var BaseField $fieldClass */
            if ($field = $fieldClass::inferDescriptor($descriptor)) {
                return $field;
            }
        }
        throw new FieldValidationException([
            new SchemaValidationError(
                SchemaValidationError::SCHEMA_VIOLATION,
                "Could not find a valid field for descriptor: ".json_encode($descriptor))
        ]);
    }

    /**
     * @param $val
     * @param null $descriptor
     * @return mixed
     * @throws FieldValidationException
     */
    public static function infer($val, $descriptor=null, $lenient=false)
    {
        foreach (static::$fieldClasses as $fieldClass) {
            /** @var BaseField $fieldClass */
            if ($field = $fieldClass::infer($val, $descriptor, $lenient)) {
                return $field;
            }
        }
        throw new FieldValidationException([
            new SchemaValidationError(
                SchemaValidationError::SCHEMA_VIOLATION,
                "Could not find a valid field for value: ".json_encode($val))
        ]);
    }
}