Container::get() - Code Metrics - Inspection of "Merge branch 'master' of https://github.com/devsta..." - devstackphp/di - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 4c4396...a38238 )

by Andrzej

created 2016-04-28 22:46 UTC

Container::get() C

↳ Parent: Container

Complexity

Conditions	8
Paths	28

Size

Total Lines	33
Code Lines	17

Duplication

Lines	0
Ratio	0 %

Importance

Changes	7
Bugs	4	Features	1

Metric	Value
c	7
b	4
f	1
dl	0
loc	33
rs	5.3846
cc	8
eloc	17
nc	28
nop	1

<?php
/**
 * This file is part of the Stack package.
 *
 * (c) Andrzej Kostrzewa <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Stack\DI;

use Interop\Container\ContainerInterface;
use Interop\Container\Exception\ContainerException;
use Interop\Container\Exception\NotFoundException;
use Stack\DI\Definition\AliasDefinition;
use Stack\DI\Definition\Source\DefinitionSourceInterface;

/**
 * Dependency Injection Container.
 *
 * @author Andrzej Kostrzewa <[email protected]>
 */
class Container implements ContainerInterface
{
    /**
     * @var callable[]
     */
    private $serviceFactory = [];

    /**
     * @var array
     */
    private $services = [];

    /**
     * @var ContainerInterface
     */
    private $delegateContainer;

    /**
     * @var DefinitionSourceInterface
     */
    private $definitionSource;

    /**
     * @var array
     */
    private $aliasDefinitions = [];

    /**
     * @var bool
     */
    private $useServiceFactory = false;

    /**
     * Container constructor.
     *
     * @param DefinitionSourceInterface $definitionSource
     * @param null|ContainerInterface   $delegateContainer
     */
    public function __construct(
        DefinitionSourceInterface $definitionSource,
        ContainerInterface $delegateContainer = null
    ) {
        $this->definitionSource  = $definitionSource;
        $this->delegateContainer = $delegateContainer;

        $this->services['container'] = $this;
    }

    /**
     * Finds an entry of the container by its identifier and returns it.
     *
     * @param string $name Identifier of the entry to look for.
     *
     * @throws NotFoundException  No entry was found for this identifier.
     * @throws ContainerException Error while retrieving the entry.
     *
     * @return mixed Entry.
     */
    public function get($name)
    {
        $service = $name;
        $name    = strtolower($name);

        if (!$this->hasAlias($name) && !$this->has($name)) {
            $this->setAlias($name);
        }

        if ($this->hasAlias($name)) {
            $name = $this->getAlias($name);
        }

        if ($this->has($name)) {
            $this->useServiceFactory = false;

            return $this->services[$name];
        }

        if ($this->useServiceFactory) {
            if ($this->hasServiceInFactory($name)) {
                $service = $this->getServiceFromFactory($name);
            }
        }

        if ($this->definitionSource !== null) {
            $service = $this->definitionSource->get($service);
        }

        $this->services[$name] = $service;

        return $service;
    }

    /**
     * Returns true if the container can return an entry for the given identifier.
     * Returns false otherwise.
     *
     * @param string $name Identifier of the entry to look for.
     *
     * @return bool
     */
    public function has($name)
    {
        if (!is_string($name)) {

            throw new \InvalidArgumentException(sprintf(
                'The name parameter must be of type string, %s given',
                is_object($name) ? get_class($name) : gettype($name)
            ));
        }

        $serviceName = strtolower($name);

        if ($this->hasAlias($serviceName)) {
            $serviceName = $this->aliasDefinitions[$serviceName];
        }

        return isset($this->services[$serviceName]) || array_key_exists($serviceName, $this->services);
    }

    /**
     * Define an object in the container.
     *
     * @param string $name  Entry name
     * @param mixed  $value Value
     */
    public function set($name, $value)
    {
        $name      = strtolower($name);
        $isClosure = false;

        if ($value instanceof \Closure) {
            $this->useServiceFactory     = true;
            $isClosure                   = true;
            $this->serviceFactory[$name] = $value;
            unset($this->services[$name]);
        }

        if (!$isClosure) {
            $this->services[$name] = $value;
        }
    }

    /**
     * @param string $name
     *
     * @return mixed
     */
    private function getAlias($name)
    {
        if (!$this->hasAlias($name)) {
            throw new \InvalidArgumentException(sprintf('The service alias "%s" does not exist.', $name));
        }

        return $this->aliasDefinitions[$name];
    }

    /**
     * @param string $name
     *
     * @return bool
     */
    private function hasAlias($name)
    {
        return isset($this->aliasDefinitions[$name]);
    }

    /**
     * @param string $name
     */
    private function setAlias($name)
    {
        $alias = new AliasDefinition();
        $alias->aliasFromNamespace($name);

        $this->aliasDefinitions[$alias->getTargetName()] = $alias->getName();
    }

    /**
     * Get service from Closure object.
     *
     * @param string $name
     *
     * @return mixed
     */
    private function getServiceFromFactory($name)
    {
        $serviceFactory    = $this->serviceFactory[$name];
        $delegateContainer = $this->delegateContainer ?: $this;

        return $serviceFactory($delegateContainer);
    }

    private function hasServiceInFactory($name)
    {
        return isset($this->serviceFactory[$name]);
    }
}


1		<?php
2		/**
3		* This file is part of the Stack package.
4		*
5		* (c) Andrzej Kostrzewa <[email protected]>
6		*
7		* For the full copyright and license information, please view the LICENSE
8		* file that was distributed with this source code.
9		*/
10
11		namespace Stack\DI;
12
13		use Interop\Container\ContainerInterface;
14		use Interop\Container\Exception\ContainerException;
15		use Interop\Container\Exception\NotFoundException;
16		use Stack\DI\Definition\AliasDefinition;
17		use Stack\DI\Definition\Source\DefinitionSourceInterface;
18
19		/**
20		* Dependency Injection Container.
21		*
22		* @author Andrzej Kostrzewa <[email protected]>
23		*/
24		class Container implements ContainerInterface
25		{
26		/**
27		* @var callable[]
28		*/
29		private $serviceFactory = [];
30
31		/**
32		* @var array
33		*/
34		private $services = [];
35
36		/**
37		* @var ContainerInterface
38		*/
39		private $delegateContainer;
40
41		/**
42		* @var DefinitionSourceInterface
43		*/
44		private $definitionSource;
45
46		/**
47		* @var array
48		*/
49		private $aliasDefinitions = [];
50
51		/**
52		* @var bool
53		*/
54		private $useServiceFactory = false;
55
56		/**
57		* Container constructor.
58		*
59		* @param DefinitionSourceInterface $definitionSource
60		* @param null\|ContainerInterface $delegateContainer
61		*/
62		public function __construct(
63		DefinitionSourceInterface $definitionSource,
64		ContainerInterface $delegateContainer = null
65		) {
66		$this->definitionSource = $definitionSource;
67		$this->delegateContainer = $delegateContainer;
68
69		$this->services['container'] = $this;
70		}
71
72		/**
73		* Finds an entry of the container by its identifier and returns it.
74		*
75		* @param string $name Identifier of the entry to look for.
76		*
77		* @throws NotFoundException No entry was found for this identifier.
78		* @throws ContainerException Error while retrieving the entry.
79		*
80		* @return mixed Entry.
81		*/
82		public function get($name)
83		{
84		$service = $name;
85		$name = strtolower($name);
86
87		if (!$this->hasAlias($name) && !$this->has($name)) {
88		$this->setAlias($name);
89		}
90
91		if ($this->hasAlias($name)) {
92		$name = $this->getAlias($name);
93		}
94
95		if ($this->has($name)) {
96		$this->useServiceFactory = false;
97
98		return $this->services[$name];
99		}
100
101		if ($this->useServiceFactory) {
102		if ($this->hasServiceInFactory($name)) {
103		$service = $this->getServiceFromFactory($name);
104		}
105		}
106
107		if ($this->definitionSource !== null) {
108		$service = $this->definitionSource->get($service);
109		}
110
111		$this->services[$name] = $service;
112
113		return $service;
114		}
115
116		/**
117		* Returns true if the container can return an entry for the given identifier.
118		* Returns false otherwise.
119		*
120		* @param string $name Identifier of the entry to look for.
121		*
122		* @return bool
123		*/
124		public function has($name)
125		{
126	View Code Duplication	if (!is_string($name)) {
		1 ignored issue – show Duplication introduced 2016-04-28 22:49 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
127		throw new \InvalidArgumentException(sprintf(
128		'The name parameter must be of type string, %s given',
129		is_object($name) ? get_class($name) : gettype($name)
130		));
131		}
132
133		$serviceName = strtolower($name);
134
135		if ($this->hasAlias($serviceName)) {
136		$serviceName = $this->aliasDefinitions[$serviceName];
137		}
138
139		return isset($this->services[$serviceName]) \|\| array_key_exists($serviceName, $this->services);
140		}
141
142		/**
143		* Define an object in the container.
144		*
145		* @param string $name Entry name
146		* @param mixed $value Value
147		*/
148		public function set($name, $value)
149		{
150		$name = strtolower($name);
151		$isClosure = false;
152
153		if ($value instanceof \Closure) {
154		$this->useServiceFactory = true;
155		$isClosure = true;
156		$this->serviceFactory[$name] = $value;
157		unset($this->services[$name]);
158		}
159
160		if (!$isClosure) {
161		$this->services[$name] = $value;
162		}
163		}
164
165		/**
166		* @param string $name
167		*
168		* @return mixed
169		*/
170		private function getAlias($name)
171		{
172		if (!$this->hasAlias($name)) {
173		throw new \InvalidArgumentException(sprintf('The service alias "%s" does not exist.', $name));
174		}
175
176		return $this->aliasDefinitions[$name];
177		}
178
179		/**
180		* @param string $name
181		*
182		* @return bool
183		*/
184		private function hasAlias($name)
185		{
186		return isset($this->aliasDefinitions[$name]);
187		}
188
189		/**
190		* @param string $name
191		*/
192		private function setAlias($name)
193		{
194		$alias = new AliasDefinition();
195		$alias->aliasFromNamespace($name);
196
197		$this->aliasDefinitions[$alias->getTargetName()] = $alias->getName();
198		}
199
200		/**
201		* Get service from Closure object.
202		*
203		* @param string $name
204		*
205		* @return mixed
206		*/
207		private function getServiceFromFactory($name)
208		{
209		$serviceFactory = $this->serviceFactory[$name];
210		$delegateContainer = $this->delegateContainer ?: $this;
211
212		return $serviceFactory($delegateContainer);
213		}
214
215		private function hasServiceInFactory($name)
216		{
217		return isset($this->serviceFactory[$name]);
218		}
219		}
220

devstackphp / di

Push — master ( 4c4396...a38238 )

Container::get() C

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