Serializer::__construct() - Code Metrics - Inspection of "[WIP] 2.0" - schmittjoh/serializer - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#743)

by Asmir

created 2018-02-17 19:27 UTC

Serializer::__construct() B

↳ Parent: Serializer

Complexity

Conditions	5
Paths	16

Size

Total Lines	28
Code Lines	22

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	13
CRAP Score	5

Importance

Changes

Metric	Value
dl	0
loc	28
ccs	13
cts	13
cp	1
rs	8.439
c	0
b	0
f	0
cc	5
eloc	22
nc	16
nop	10
crap	5

How to fix Many Parameters

<?php

/*
 * Copyright 2016 Johannes M. Schmitt <[email protected]>
 *
 * 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.
 */

namespace JMS\Serializer;

use JMS\Parser\AbstractParser;
use JMS\Serializer\Construction\ObjectConstructorInterface;
use JMS\Serializer\ContextFactory\DefaultDeserializationContextFactory;
use JMS\Serializer\ContextFactory\DefaultSerializationContextFactory;
use JMS\Serializer\ContextFactory\DeserializationContextFactoryInterface;
use JMS\Serializer\ContextFactory\SerializationContextFactoryInterface;
use JMS\Serializer\EventDispatcher\EventDispatcher;
use JMS\Serializer\EventDispatcher\EventDispatcherInterface;
use JMS\Serializer\Exception\InvalidArgumentException;
use JMS\Serializer\Exception\RuntimeException;
use JMS\Serializer\Exception\UnsupportedFormatException;
use JMS\Serializer\Expression\ExpressionEvaluatorInterface;
use JMS\Serializer\Handler\HandlerRegistryInterface;
use Metadata\MetadataFactoryInterface;

/**
 * Serializer Implementation.
 *
 * @author Johannes M. Schmitt <[email protected]>
 */
final class Serializer implements SerializerInterface, ArrayTransformerInterface
{
    private $factory;
    private $handlerRegistry;
    private $objectConstructor;
    private $dispatcher;
    private $typeParser;

    private $serializationVisitors = array();

    private $deserializationVisitors = array();

    private $serializationNavigator;
    private $deserializationNavigator;

    /**
     * @var SerializationContextFactoryInterface
     */
    private $serializationContextFactory;

    /**
     * @var DeserializationContextFactoryInterface
     */
    private $deserializationContextFactory;

    /**
     * @param \Metadata\MetadataFactoryInterface $factory
     * @param Handler\HandlerRegistryInterface $handlerRegistry
     * @param Construction\ObjectConstructorInterface $objectConstructor
     * @param SerializationVisitorInterface[] $serializationVisitors
     * @param DeserializationVisitorInterface[] $deserializationVisitors
     * @param EventDispatcherInterface|null $dispatcher
     * @param AbstractParser|null $typeParser
     * @param ExpressionEvaluatorInterface|null $expressionEvaluator
     * @param SerializationContextFactoryInterface|null $serializationContextFactory
     * @param DeserializationContextFactoryInterface|null $deserializationContextFactory
     */
    public function __construct(
        MetadataFactoryInterface $factory,
        HandlerRegistryInterface $handlerRegistry,
        ObjectConstructorInterface $objectConstructor,
        array $serializationVisitors,
        array $deserializationVisitors,
        EventDispatcherInterface $dispatcher = null,
        AbstractParser $typeParser = null,
        ExpressionEvaluatorInterface $expressionEvaluator = null,
        SerializationContextFactoryInterface $serializationContextFactory = null,
        DeserializationContextFactoryInterface $deserializationContextFactory = null

    )
    {
        $this->factory = $factory;
        $this->handlerRegistry = $handlerRegistry;
        $this->objectConstructor = $objectConstructor;
        $this->dispatcher = $dispatcher ?: new EventDispatcher();
        $this->typeParser = $typeParser ?: new TypeParser();
        $this->serializationVisitors = $serializationVisitors;
        $this->deserializationVisitors = $deserializationVisitors;

        $this->serializationNavigator = new SerializationGraphNavigator($this->factory, $this->handlerRegistry, $this->dispatcher, $expressionEvaluator);
        $this->deserializationNavigator = new DeserializationGraphNavigator($this->factory, $this->handlerRegistry, $this->objectConstructor, $this->dispatcher, $expressionEvaluator);

        $this->serializationContextFactory = $serializationContextFactory ?: new DefaultSerializationContextFactory();
        $this->deserializationContextFactory = $deserializationContextFactory ?: new DefaultDeserializationContextFactory();
    }

    /**
     * Parses a direction string to one of the direction constants.
     *
     * @param string $dirStr
     *
     * @return integer
     */
    public static function parseDirection($dirStr)
    {
        switch (strtolower($dirStr)) {
            case 'serialization':
                return GraphNavigatorInterface::DIRECTION_SERIALIZATION;

            case 'deserialization':
                return GraphNavigatorInterface::DIRECTION_DESERIALIZATION;

            default:
                throw new InvalidArgumentException(sprintf('The direction "%s" does not exist.', $dirStr));
        }
    }

    private function findInitialType($type, SerializationContext $context)
    {
        if ($type !== null) {
            return $this->typeParser->parse($type);
        } elseif ($context->hasAttribute('initial_type')) {
            return $this->typeParser->parse($context->getAttribute('initial_type'));
        }
        return null;
    }

    public function serialize($data, $format, SerializationContext $context = null, $type = null)
    {
        if (null === $context) {
            $context = $this->serializationContextFactory->createSerializationContext();
        }

        if (!isset($this->serializationVisitors[$format])) {
            throw new UnsupportedFormatException(sprintf('The format "%s" is not supported for serialization.', $format));
        }

        $type = $this->findInitialType($type, $context);

        $visitor = $this->serializationVisitors[$format];

        $preparedData = $visitor->prepare($data);
        $result = $this->visit($this->serializationNavigator, $visitor, $context, $preparedData, $format, $type);
        return $visitor->getResult($result);
    }

    public function deserialize($data, $type, $format, DeserializationContext $context = null)
    {
        if (null === $context) {
            $context = $this->deserializationContextFactory->createDeserializationContext();
        }

        if (!isset($this->deserializationVisitors[$format])) {
            throw new UnsupportedFormatException(sprintf('The format "%s" is not supported for deserialization.', $format));
        }

        $visitor = $this->deserializationVisitors[$format];
        $preparedData = $visitor->prepare($data);
        $result = $this->visit($this->deserializationNavigator, $visitor, $context, $preparedData, $format, $this->typeParser->parse($type));

        return $visitor->getResult($result);
    }

    /**
     * {@InheritDoc}
     */
    public function toArray($data, SerializationContext $context = null, $type = null)
    {
        if (null === $context) {
            $context = $this->serializationContextFactory->createSerializationContext();
        }

        if (!isset($this->serializationVisitors['json'])) {
            throw new UnsupportedFormatException(sprintf('The format "%s" is not supported for fromArray.', 'json'));
        }

        $visitor = $this->serializationVisitors['json'];

        $type = $this->findInitialType($type, $context);

        $preparedData = $visitor->prepare($data);
        $result = $this->visit($this->serializationNavigator, $visitor, $context, $preparedData, 'json', $type);
        $result = $this->convertArrayObjects($result);

        if (!\is_array($result)) {
            throw new RuntimeException(sprintf(
                'The input data of type "%s" did not convert to an array, but got a result of type "%s".',
                \is_object($data) ? \get_class($data) : \gettype($data),
                \is_object($result) ? \get_class($result) : \gettype($result)
            ));
        }

        return $result;
    }

    /**
     * {@InheritDoc}
     */
    public function fromArray(array $data, $type, DeserializationContext $context = null)
    {
        if (null === $context) {
            $context = $this->deserializationContextFactory->createDeserializationContext();
        }

        if (!isset($this->deserializationVisitors['json'])) {
            throw new UnsupportedFormatException(sprintf('The format "%s" is not supported for fromArray.', 'json'));
        }
        $visitor = $this->deserializationVisitors['json'];

        return $this->visit($this->deserializationNavigator, $visitor, $context, $data, 'json', $this->typeParser->parse($type));
    }

    private function visit(GraphNavigatorInterface $navigator, $visitor, Context $context, $data, $format, array $type = null)
    {
        $context->initialize(
            $format,
            $visitor,
            $navigator,
            $this->factory
        );

        $visitor->setNavigator($navigator);

        return $navigator->accept($data, $type, $context);
    }

    private function convertArrayObjects($data)
    {
        if ($data instanceof \ArrayObject || $data instanceof \stdClass) {
            $data = (array)$data;
        }
        if (\is_array($data)) {
            foreach ($data as $k => $v) {
                $data[$k] = $this->convertArrayObjects($v);
            }
        }

        return $data;
    }

    /**
     * @return MetadataFactoryInterface
     */
    public function getMetadataFactory()
    {
        return $this->factory;
    }
}


1		<?php
2
3		/*
4		* Copyright 2016 Johannes M. Schmitt <[email protected]>
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		namespace JMS\Serializer;
20
21		use JMS\Parser\AbstractParser;
22		use JMS\Serializer\Construction\ObjectConstructorInterface;
23		use JMS\Serializer\ContextFactory\DefaultDeserializationContextFactory;
24		use JMS\Serializer\ContextFactory\DefaultSerializationContextFactory;
25		use JMS\Serializer\ContextFactory\DeserializationContextFactoryInterface;
26		use JMS\Serializer\ContextFactory\SerializationContextFactoryInterface;
27		use JMS\Serializer\EventDispatcher\EventDispatcher;
28		use JMS\Serializer\EventDispatcher\EventDispatcherInterface;
29		use JMS\Serializer\Exception\InvalidArgumentException;
30		use JMS\Serializer\Exception\RuntimeException;
31		use JMS\Serializer\Exception\UnsupportedFormatException;
32		use JMS\Serializer\Expression\ExpressionEvaluatorInterface;
33		use JMS\Serializer\Handler\HandlerRegistryInterface;
34		use Metadata\MetadataFactoryInterface;
35
36		/**
37		* Serializer Implementation.
38		*
39		* @author Johannes M. Schmitt <[email protected]>
40		*/
41		final class Serializer implements SerializerInterface, ArrayTransformerInterface
42		{
43		private $factory;
44		private $handlerRegistry;
45		private $objectConstructor;
46		private $dispatcher;
47		private $typeParser;
48
49		private $serializationVisitors = array();
50
51		private $deserializationVisitors = array();
52
53		private $serializationNavigator;
54		private $deserializationNavigator;
55
56		/**
57		* @var SerializationContextFactoryInterface
58		*/
59		private $serializationContextFactory;
60
61		/**
62		* @var DeserializationContextFactoryInterface
63		*/
64		private $deserializationContextFactory;
65
66		/**
67		* @param \Metadata\MetadataFactoryInterface $factory
68		* @param Handler\HandlerRegistryInterface $handlerRegistry
69		* @param Construction\ObjectConstructorInterface $objectConstructor
70		* @param SerializationVisitorInterface[] $serializationVisitors
71		* @param DeserializationVisitorInterface[] $deserializationVisitors
72		* @param EventDispatcherInterface\|null $dispatcher
73		* @param AbstractParser\|null $typeParser
74		* @param ExpressionEvaluatorInterface\|null $expressionEvaluator
75		* @param SerializationContextFactoryInterface\|null $serializationContextFactory
76		* @param DeserializationContextFactoryInterface\|null $deserializationContextFactory
77		*/
78	395	public function __construct(
79		MetadataFactoryInterface $factory,
80		HandlerRegistryInterface $handlerRegistry,
81		ObjectConstructorInterface $objectConstructor,
82		array $serializationVisitors,
83		array $deserializationVisitors,
84		EventDispatcherInterface $dispatcher = null,
85		AbstractParser $typeParser = null,
86		ExpressionEvaluatorInterface $expressionEvaluator = null,
87		SerializationContextFactoryInterface $serializationContextFactory = null,
88		DeserializationContextFactoryInterface $deserializationContextFactory = null
89
90		)
91		{
92	395	$this->factory = $factory;
93	395	$this->handlerRegistry = $handlerRegistry;
94	395	$this->objectConstructor = $objectConstructor;
95	395	$this->dispatcher = $dispatcher ?: new EventDispatcher();
96	395	$this->typeParser = $typeParser ?: new TypeParser();
97	395	$this->serializationVisitors = $serializationVisitors;
98	395	$this->deserializationVisitors = $deserializationVisitors;
99
100	395	$this->serializationNavigator = new SerializationGraphNavigator($this->factory, $this->handlerRegistry, $this->dispatcher, $expressionEvaluator);
101	395	$this->deserializationNavigator = new DeserializationGraphNavigator($this->factory, $this->handlerRegistry, $this->objectConstructor, $this->dispatcher, $expressionEvaluator);
102
103	395	$this->serializationContextFactory = $serializationContextFactory ?: new DefaultSerializationContextFactory();
104	395	$this->deserializationContextFactory = $deserializationContextFactory ?: new DefaultDeserializationContextFactory();
105	395	}
106
107		/**
108		* Parses a direction string to one of the direction constants.
109		*
110		* @param string $dirStr
111		*
112		* @return integer
113		*/
114		public static function parseDirection($dirStr)
115		{
116		switch (strtolower($dirStr)) {
117		case 'serialization':
118		return GraphNavigatorInterface::DIRECTION_SERIALIZATION;
119
120		case 'deserialization':
121		return GraphNavigatorInterface::DIRECTION_DESERIALIZATION;
122
123		default:
124		throw new InvalidArgumentException(sprintf('The direction "%s" does not exist.', $dirStr));
125		}
126		}
127
128	345	private function findInitialType($type, SerializationContext $context)
129		{
130	345	if ($type !== null) {
131		return $this->typeParser->parse($type);
132	345	} elseif ($context->hasAttribute('initial_type')) {
133	37	return $this->typeParser->parse($context->getAttribute('initial_type'));
134		}
135	308	return null;
136		}
137
138	338	public function serialize($data, $format, SerializationContext $context = null, $type = null)
139		{
140	338	if (null === $context) {
141	264	$context = $this->serializationContextFactory->createSerializationContext();
142		}
143
144	338	if (!isset($this->serializationVisitors[$format])) {
145	1	throw new UnsupportedFormatException(sprintf('The format "%s" is not supported for serialization.', $format));
146		}
147
148	337	$type = $this->findInitialType($type, $context);
149
150	337	$visitor = $this->serializationVisitors[$format];
151
152	337	$preparedData = $visitor->prepare($data);
153	337	$result = $this->visit($this->serializationNavigator, $visitor, $context, $preparedData, $format, $type);
154	326	return $visitor->getResult($result);
155		}
156
157	167	public function deserialize($data, $type, $format, DeserializationContext $context = null)
158		{
159	167	if (null === $context) {
160	161	$context = $this->deserializationContextFactory->createDeserializationContext();
161		}
162
163	167	if (!isset($this->deserializationVisitors[$format])) {
164		throw new UnsupportedFormatException(sprintf('The format "%s" is not supported for deserialization.', $format));
165		}
166
167	167	$visitor = $this->deserializationVisitors[$format];
168	167	$preparedData = $visitor->prepare($data);
169	164	$result = $this->visit($this->deserializationNavigator, $visitor, $context, $preparedData, $format, $this->typeParser->parse($type));
170
171	160	return $visitor->getResult($result);
172		}
173
174		/**
175		* {@InheritDoc}
176		*/
177	8	public function toArray($data, SerializationContext $context = null, $type = null)
178		{
179	8	if (null === $context) {
180	8	$context = $this->serializationContextFactory->createSerializationContext();
181		}
182
183	8	if (!isset($this->serializationVisitors['json'])) {
184		throw new UnsupportedFormatException(sprintf('The format "%s" is not supported for fromArray.', 'json'));
185		}
186
187	8	$visitor = $this->serializationVisitors['json'];
188
189	8	$type = $this->findInitialType($type, $context);
190
191	8	$preparedData = $visitor->prepare($data);
192	8	$result = $this->visit($this->serializationNavigator, $visitor, $context, $preparedData, 'json', $type);
193	8	$result = $this->convertArrayObjects($result);
194
195	8	if (!\is_array($result)) {
196	4	throw new RuntimeException(sprintf(
197	4	'The input data of type "%s" did not convert to an array, but got a result of type "%s".',
198	4	\is_object($data) ? \get_class($data) : \gettype($data),
199	4	\is_object($result) ? \get_class($result) : \gettype($result)
200		));
201		}
202
203	4	return $result;
204		}
205
206		/**
207		* {@InheritDoc}
208		*/
209	2	public function fromArray(array $data, $type, DeserializationContext $context = null)
210		{
211	2	if (null === $context) {
212	2	$context = $this->deserializationContextFactory->createDeserializationContext();
213		}
214
215	2	if (!isset($this->deserializationVisitors['json'])) {
216		throw new UnsupportedFormatException(sprintf('The format "%s" is not supported for fromArray.', 'json'));
217		}
218	2	$visitor = $this->deserializationVisitors['json'];
219
220	2	return $this->visit($this->deserializationNavigator, $visitor, $context, $data, 'json', $this->typeParser->parse($type));
221		}
222
223	371	private function visit(GraphNavigatorInterface $navigator, $visitor, Context $context, $data, $format, array $type = null)
224		{
225	371	$context->initialize(
226	371	$format,
227	371	$visitor,
228	371	$navigator,
229	371	$this->factory
230		);
231
232	371	$visitor->setNavigator($navigator);
233
234	371	return $navigator->accept($data, $type, $context);
235		}
236
237	8	private function convertArrayObjects($data)
238		{
239	8	if ($data instanceof \ArrayObject \|\| $data instanceof \stdClass) {
240	2	$data = (array)$data;
241		}
242	8	if (\is_array($data)) {
243	4	foreach ($data as $k => $v) {
244	3	$data[$k] = $this->convertArrayObjects($v);
245		}
246		}
247
248	8	return $data;
249		}
250
251		/**
252		* @return MetadataFactoryInterface
253		*/
254		public function getMetadataFactory()
255		{
256		return $this->factory;
257		}
258		}
259

schmittjoh / serializer

Pull Request — master (#743)

Serializer::__construct() B

Complexity

Size

Duplication

Code Coverage

Importance

How to fix Many Parameters

Many Parameters

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