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Path: /home/mgatv524/novabrasil.mgaplay.com.br/vendor/jmikola/geojson/src/GeoJson/CoordinateReferenceSystem/ [ Home ]
File: CoordinateReferenceSystem.php
<?php

namespace GeoJson\CoordinateReferenceSystem;

use GeoJson\Exception\UnserializationException;
use GeoJson\JsonUnserializable;

/**
 * Coordinate reference system object.
 *
 * @see http://www.geojson.org/geojson-spec.html#coordinate-reference-system-objects
 * @since 1.0
 */
abstract class CoordinateReferenceSystem implements \JsonSerializable, JsonUnserializable
{
    /**
     * @var array
     */
    protected $properties;

    /**
     * @var string
     */
    protected $type;

    /**
     * Return the properties for this CRS object.
     *
     * @return array
     */
    public function getProperties()
    {
        return $this->properties;
    }

    /**
     * Return the type for this CRS object.
     *
     * @return string
     */
    public function getType()
    {
        return $this->type;
    }

    /**
     * @see http://php.net/manual/en/jsonserializable.jsonserialize.php
     */
    public function jsonSerialize()
    {
        return array(
            'type' => $this->type,
            'properties' => $this->properties,
        );
    }

    /**
     * @see JsonUnserializable::jsonUnserialize()
     */
    final public static function jsonUnserialize($json)
    {
        if ( ! is_array($json) && ! is_object($json)) {
            throw UnserializationException::invalidValue('CRS', $json, 'array or object');
        }

        $json = new \ArrayObject($json);

        if ( ! $json->offsetExists('type')) {
            throw UnserializationException::missingProperty('CRS', 'type', 'string');
        }

        if ( ! $json->offsetExists('properties')) {
            throw UnserializationException::missingProperty('CRS', 'properties', 'array or object');
        }

        $type = (string) $json['type'];
        $properties = $json['properties'];

        switch ($type) {
            case 'link':
                return Linked::jsonUnserializeFromProperties($properties);

            case 'name':
                return Named::jsonUnserializeFromProperties($properties);
        }

        throw UnserializationException::unsupportedType('CRS', $type);
    }

    /**
     * Factory method for creating a CRS object from properties.
     *
     * This method must be overridden in a child class.
     *
     * @see CoordinateReferenceSystem::jsonUnserialize()
     * @param array|object $properties
     * @return CoordinateReferenceSystem
     * @throws \BadMethodCallException
     */
    protected static function jsonUnserializeFromProperties($properties)
    {
        throw new \BadMethodCallException(sprintf('%s must be overridden in a child class', __METHOD__));
    }
}