Instantiator::getNewObject() - Code Metrics - Inspection of "PSR12" - hanneskod/readme-tester - Measure and Improve Code Quality continuously with Scrutinizer

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by Hannes

created 2020-12-20 18:52 UTC

Instantiator::getNewObject() A

↳ Parent: Instantiator

Complexity

Conditions	5
Paths	4

Size

Total Lines	19
Code Lines	9

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
eloc	9
c	1
b	0
f	0
dl	0
loc	19
rs	9.6111
cc	5
nc	4
nop	1

<?php

declare(strict_types=1);

namespace hanneskod\readmetester\Utils;

use Psr\Container\ContainerInterface;

class Instantiator implements ContainerInterface
{
    /** @var array<string, object> */
    private array $cache = [];

     /**
      * Implements ContainerInterface
      *
      * @param string $id
      * @return object
      */
    public function get($id)
    {
        return $this->getSharedObject($id);
    }

    /**
     * Implements ContainerInterface
     *
     * @param string $id
     * @return boolean
     */
    public function has($id)
    {
        return isset($this->cache[$id]);
    }

    public function getNewObject(string $classname): object
    {
        if (!class_exists($classname)) {
            throw new \RuntimeException("Class '$classname' does not exist");
        }

        $reflector = new \ReflectionClass($classname);

        if (!$reflector->isInstantiable()) {
            throw new \RuntimeException("Unable to instantiate non-instantiable class '$classname'");
        }

        $constructor = $reflector->getConstructor();

        if ($constructor && $constructor->getNumberOfRequiredParameters()) {
            throw new \RuntimeException("Unable to instantiate '$classname' with no parameters");
        }

        return new $classname();
    }

    public function getSharedObject(string $classname): object
    {
        if (!isset($this->cache[$classname])) {
            $this->cache[$classname] = $this->getNewObject($classname);
        }

        return $this->cache[$classname];
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			namespace hanneskod\readmetester\Utils;
6
7			use Psr\Container\ContainerInterface;
8
9			class Instantiator implements ContainerInterface
10			{
11			/** @var array<string, object> */
12			private array $cache = [];
13
14			/**
15			* Implements ContainerInterface
16			*
17			* @param string $id
18			* @return object
19			*/
20			public function get($id)
21			{
22			return $this->getSharedObject($id);
23			}
24
25			/**
26			* Implements ContainerInterface
27			*
28			* @param string $id
29			* @return boolean
30			*/
31			public function has($id)
32			{
33			return isset($this->cache[$id]);
34			}
35
36			public function getNewObject(string $classname): object
37			{
38			if (!class_exists($classname)) {
39			throw new \RuntimeException("Class '$classname' does not exist");
40			}
41
42			$reflector = new \ReflectionClass($classname);
43
44			if (!$reflector->isInstantiable()) {
45			throw new \RuntimeException("Unable to instantiate non-instantiable class '$classname'");
46			}
47
48			$constructor = $reflector->getConstructor();
49
50			if ($constructor && $constructor->getNumberOfRequiredParameters()) {
51			throw new \RuntimeException("Unable to instantiate '$classname' with no parameters");
52			}
53
54			return new $classname();
55			}
56
57			public function getSharedObject(string $classname): object
58			{
59			if (!isset($this->cache[$classname])) {
60			$this->cache[$classname] = $this->getNewObject($classname);
61			}
62
63			return $this->cache[$classname];
64			}
65			}
66

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Instantiator::getNewObject() A

Complexity

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