Container::__construct() - Code Metrics - Inspection of "Daily Inspection: Close #150" - neomerx/json-api - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Branch — master (3a80e2)

unknown

created 2016-06-12 00:41 UTC

Container::__construct() A

↳ Parent: Container

Complexity

Conditions	1
Paths	1

Size

Total Lines	5
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	1

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	5
ccs	4
cts	4
cp	1
rs	9.4285
cc	1
eloc	3
nc	1
nop	2
crap	1

<?php namespace Neomerx\JsonApi\Schema;

/**
 * Copyright 2015 [email protected] (www.neomerx.com)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

use \Closure;
use \InvalidArgumentException;
use \Psr\Log\LoggerAwareTrait;
use \Psr\Log\LoggerAwareInterface;
use \Neomerx\JsonApi\Factories\Exceptions;
use \Neomerx\JsonApi\I18n\Translator as T;
use \Neomerx\JsonApi\Contracts\Schema\ContainerInterface;
use \Neomerx\JsonApi\Contracts\Schema\SchemaFactoryInterface;
use \Neomerx\JsonApi\Contracts\Schema\SchemaProviderInterface;

/**
 * @package Neomerx\JsonApi
 */
class Container implements ContainerInterface, LoggerAwareInterface
{
    use LoggerAwareTrait;

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

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

    /**
     * @var array
     */
    private $resourceType2Type = [];

    /**
     * @var SchemaFactoryInterface
     */
    private $factory;

    /**
     * @param SchemaFactoryInterface $factory
     * @param array                  $schemas
     */
    public function __construct(SchemaFactoryInterface $factory, array $schemas = [])
    {
        $this->factory = $factory;
        $this->registerArray($schemas);
    }

    /**
     * Register provider for resource type.
     *
     * @param string         $type
     * @param string|Closure $schema
     *
     * @return void
     */
    public function register($type, $schema)
    {
        // Type must be non-empty string
        $isOk = (is_string($type) === true && empty($type) === false);
        if ($isOk === false) {
            throw new InvalidArgumentException(T::t('Type must be non-empty string.'));
        }

        $isOk = ((is_string($schema) === true && empty($schema) === false) || $schema instanceof Closure);
        if ($isOk === false) {
            throw new InvalidArgumentException(T::t(
                'Schema for type \'%s\' must be non-empty string or Closure.',
                [$type]
            ));
        }

        if (isset($this->providerMapping[$type]) === true) {
            throw new InvalidArgumentException(T::t(
                'Type should not be used more than once to register a schema (\'%s\').',
                [$type]
            ));
        }

        $this->providerMapping[$type] = $schema;
    }

    /**
     * Register providers for resource types.
     *
     * @param array $schemas
     *
     * @return void
     */
    public function registerArray(array $schemas)
    {
        foreach ($schemas as $type => $schema) {
            $this->register($type, $schema);
        }
    }

    /**
     * @inheritdoc
     */
    public function getSchema($resource)
    {
        $resourceType = $this->getResourceType($resource);

        return $this->getSchemaByType($resourceType);
    }

    /**
     * @inheritdoc
     */
    public function getSchemaByType($type)
    {
        is_string($type) === true ?: Exceptions::throwInvalidArgument('type', $type);

        if (isset($this->createdProviders[$type])) {
            return $this->createdProviders[$type];
        }

        if (isset($this->providerMapping[$type]) === false) {
            throw new InvalidArgumentException(T::t('Schema is not registered for type \'%s\'.', [$type]));
        }

        $classNameOrClosure = $this->providerMapping[$type];
        if ($classNameOrClosure instanceof Closure) {
            $this->createdProviders[$type] = ($schema = $this->createSchemaFromClosure($classNameOrClosure));
        } else {
            $this->createdProviders[$type] = ($schema = $this->createSchemaFromClassName($classNameOrClosure));
        }

        /** @var SchemaProviderInterface $schema */

        $this->resourceType2Type[$schema->getResourceType()] = $type;

        return $schema;
    }

    /**
     * @inheritdoc
     */
    public function getSchemaByResourceType($resourceType)
    {
        // Schema is not found among instantiated schemas for resource type $resourceType
        $isOk = (is_string($resourceType) === true && isset($this->resourceType2Type[$resourceType]) === true);

        // Schema might not be found if it hasn't been searched by type (not resource type) before.
        // We instantiate all schemas and then find one.
        if ($isOk === false) {
            foreach ($this->providerMapping as $type => $schema) {
                if (isset($this->createdProviders[$type]) === false) {
                    // it will instantiate the schema
                    $this->getSchemaByType($type);
                }
            }
        }

        // search one more time
        $isOk = (is_string($resourceType) === true && isset($this->resourceType2Type[$resourceType]) === true);

        if ($isOk === false) {
            throw new InvalidArgumentException(T::t(
                'Schema is not registered for resource type \'%s\'.',
                [$resourceType]
            ));
        }

        return $this->getSchemaByType($this->resourceType2Type[$resourceType]);
    }

    /**
     * @return SchemaFactoryInterface
     */
    protected function getFactory()
    {
        return $this->factory;
    }

    /**
     * @param object $resource
     *
     * @return string
     */
    protected function getResourceType($resource)
    {
        return get_class($resource);
    }

    /**
     * @param Closure $closure
     *
     * @return SchemaProviderInterface
     */
    protected function createSchemaFromClosure(Closure $closure)
    {
        $schema = $closure($this->getFactory());

        return $schema;
    }

    /**
     * @param string $className
     *
     * @return SchemaProviderInterface
     */
    protected function createSchemaFromClassName($className)
    {
        $schema = new $className($this->getFactory());

        return $schema;
    }
}


1		<?php namespace Neomerx\JsonApi\Schema;
2
3		/**
4		* Copyright 2015 [email protected] (www.neomerx.com)
5		*
6		* Licensed under the Apache License, Version 2.0 (the "License");
7		* you may not use this file except in compliance with the License.
8		* You may obtain a copy of the License at
9		*
10		* http://www.apache.org/licenses/LICENSE-2.0
11		*
12		* Unless required by applicable law or agreed to in writing, software
13		* distributed under the License is distributed on an "AS IS" BASIS,
14		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15		* See the License for the specific language governing permissions and
16		* limitations under the License.
17		*/
18
19		use \Closure;
20		use \InvalidArgumentException;
21		use \Psr\Log\LoggerAwareTrait;
22		use \Psr\Log\LoggerAwareInterface;
23		use \Neomerx\JsonApi\Factories\Exceptions;
24		use \Neomerx\JsonApi\I18n\Translator as T;
25		use \Neomerx\JsonApi\Contracts\Schema\ContainerInterface;
26		use \Neomerx\JsonApi\Contracts\Schema\SchemaFactoryInterface;
27		use \Neomerx\JsonApi\Contracts\Schema\SchemaProviderInterface;
28
29		/**
30		* @package Neomerx\JsonApi
31		*/
32		class Container implements ContainerInterface, LoggerAwareInterface
33		{
34		use LoggerAwareTrait;
35
36		/**
37		* @var array
38		*/
39		private $providerMapping = [];
40
41		/**
42		* @var array
43		*/
44		private $createdProviders = [];
45
46		/**
47		* @var array
48		*/
49		private $resourceType2Type = [];
50
51		/**
52		* @var SchemaFactoryInterface
53		*/
54		private $factory;
55
56		/**
57		* @param SchemaFactoryInterface $factory
58		* @param array $schemas
59		*/
60	75	public function __construct(SchemaFactoryInterface $factory, array $schemas = [])
61		{
62	75	$this->factory = $factory;
63	75	$this->registerArray($schemas);
64	73	}
65
66		/**
67		* Register provider for resource type.
68		*
69		* @param string $type
70		* @param string\|Closure $schema
71		*
72		* @return void
73		*/
74	68	public function register($type, $schema)
75		{
76		// Type must be non-empty string
77	68	$isOk = (is_string($type) === true && empty($type) === false);
78	68	if ($isOk === false) {
79	1	throw new InvalidArgumentException(T::t('Type must be non-empty string.'));
80		}
81
82	67	$isOk = ((is_string($schema) === true && empty($schema) === false) \|\| $schema instanceof Closure);
83	67	if ($isOk === false) {
84	1	throw new InvalidArgumentException(T::t(
85	1	'Schema for type \'%s\' must be non-empty string or Closure.',
86	1	[$type]
87	1	));
88		}
89
90	66	if (isset($this->providerMapping[$type]) === true) {
91	1	throw new InvalidArgumentException(T::t(
92	1	'Type should not be used more than once to register a schema (\'%s\').',
93	1	[$type]
94	2	));
95		}
96
97	66	$this->providerMapping[$type] = $schema;
98	66	}
99
100		/**
101		* Register providers for resource types.
102		*
103		* @param array $schemas
104		*
105		* @return void
106		*/
107	75	public function registerArray(array $schemas)
108		{
109	75	foreach ($schemas as $type => $schema) {
110	68	$this->register($type, $schema);
111	73	}
112	73	}
113
114		/**
115		* @inheritdoc
116		*/
117	57	public function getSchema($resource)
118		{
119	57	$resourceType = $this->getResourceType($resource);
120
121	57	return $this->getSchemaByType($resourceType);
122		}
123
124		/**
125		* @inheritdoc
126		*/
127	59	public function getSchemaByType($type)
128		{
129	59	is_string($type) === true ?: Exceptions::throwInvalidArgument('type', $type);
130
131	59	if (isset($this->createdProviders[$type])) {
132	51	return $this->createdProviders[$type];
133		}
134
135	59	if (isset($this->providerMapping[$type]) === false) {
136	2	throw new InvalidArgumentException(T::t('Schema is not registered for type \'%s\'.', [$type]));
137		}
138
139	59	$classNameOrClosure = $this->providerMapping[$type];
140	59	if ($classNameOrClosure instanceof Closure) {
141	27	$this->createdProviders[$type] = ($schema = $this->createSchemaFromClosure($classNameOrClosure));
142	27	} else {
143	42	$this->createdProviders[$type] = ($schema = $this->createSchemaFromClassName($classNameOrClosure));
144		}
145
146		/** @var SchemaProviderInterface $schema */
147
148	59	$this->resourceType2Type[$schema->getResourceType()] = $type;
149
150	59	return $schema;
151		}
152
153		/**
154		* @inheritdoc
155		*/
156	42	public function getSchemaByResourceType($resourceType)
157		{
158		// Schema is not found among instantiated schemas for resource type $resourceType
159	42	$isOk = (is_string($resourceType) === true && isset($this->resourceType2Type[$resourceType]) === true);
160
161		// Schema might not be found if it hasn't been searched by type (not resource type) before.
162		// We instantiate all schemas and then find one.
163	42	if ($isOk === false) {
164	1	foreach ($this->providerMapping as $type => $schema) {
165	1	if (isset($this->createdProviders[$type]) === false) {
166		// it will instantiate the schema
167	1	$this->getSchemaByType($type);
168	1	}
169	1	}
170	1	}
171
172		// search one more time
173	42	$isOk = (is_string($resourceType) === true && isset($this->resourceType2Type[$resourceType]) === true);
174
175	42	if ($isOk === false) {
176	1	throw new InvalidArgumentException(T::t(
177	1	'Schema is not registered for resource type \'%s\'.',
178	1	[$resourceType]
179	1	));
180		}
181
182	42	return $this->getSchemaByType($this->resourceType2Type[$resourceType]);
183		}
184
185		/**
186		* @return SchemaFactoryInterface
187		*/
188	59	protected function getFactory()
189		{
190	59	return $this->factory;
191		}
192
193		/**
194		* @param object $resource
195		*
196		* @return string
197		*/
198	57	protected function getResourceType($resource)
199		{
200	57	return get_class($resource);
201		}
202
203		/**
204		* @param Closure $closure
205		*
206		* @return SchemaProviderInterface
207		*/
208	26	protected function createSchemaFromClosure(Closure $closure)
209		{
210	26	$schema = $closure($this->getFactory());
211
212	26	return $schema;
213		}
214
215		/**
216		* @param string $className
217		*
218		* @return SchemaProviderInterface
219		*/
220	41	protected function createSchemaFromClassName($className)
221		{
222	41	$schema = new $className($this->getFactory());
223
224	41	return $schema;
225		}
226		}
227

neomerx / json-api

Branch — master (3a80e2)

Container::__construct() A

Complexity

Size

Duplication

Code Coverage

Importance

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