ReflectionTypeAdapter::read() - Code Metrics - Inspection of "v0.7 Branch" - tebru/gson-php - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#44)

by Nate

created 2019-10-21 04:36 UTC

ReflectionTypeAdapter::read() F

↳ Parent: ReflectionTypeAdapter

Complexity

Conditions	32
Paths	> 20000

Size

Total Lines	76
Code Lines	43

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	43
CRAP Score	32

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
eloc	43
c	1
b	0
f	0
dl	0
loc	76
ccs	43
cts	43
cp	1
rs	0
cc	32
nc	25665
nop	2
crap	32

How to fix Long Method Complexity

<?php
/*
 * Copyright (c) Nate Brunette.
 * Distributed under the MIT License (http://opensource.org/licenses/MIT)
 */

declare(strict_types=1);

namespace Tebru\Gson\TypeAdapter;

use Tebru\AnnotationReader\AnnotationCollection;
use Tebru\Gson\Annotation\ExclusionCheck;
use Tebru\Gson\Annotation\JsonAdapter;
use Tebru\Gson\Internal\Data\Property;
use Tebru\Gson\Internal\Data\PropertyCollection;
use Tebru\Gson\Internal\DefaultClassMetadata;
use Tebru\Gson\Internal\DefaultDeserializationExclusionData;
use Tebru\Gson\Internal\DefaultSerializationExclusionData;
use Tebru\Gson\Internal\Excluder;
use Tebru\Gson\Internal\ObjectConstructor;
use Tebru\Gson\Internal\ObjectConstructor\CreateFromInstance;
use Tebru\Gson\Internal\ObjectConstructorAware;
use Tebru\Gson\Internal\ObjectConstructorAwareTrait;
use Tebru\Gson\Internal\TypeAdapterProvider;
use Tebru\Gson\Context\ReaderContext;
use Tebru\Gson\TypeAdapter;
use Tebru\Gson\Context\WriterContext;
use TypeError;

/**
 * Class ReflectionTypeAdapter
 *
 * Uses reflected class properties to read/write object
 *
 * @author Nate Brunette <[email protected]>
 */
class ReflectionTypeAdapter extends TypeAdapter implements ObjectConstructorAware
{
    use ObjectConstructorAwareTrait;

    /**
     * @var PropertyCollection
     */
    protected $properties;

    /**
     * @var DefaultClassMetadata
     */
    protected $classMetadata;

    /**
     * @var AnnotationCollection
     */
    protected $classAnnotations;

    /**
     * @var Excluder
     */
    protected $excluder;

    /**
     * @var TypeAdapterProvider
     */
    protected $typeAdapterProvider;

    /**
     * @var null|string
     */
    protected $classVirtualProperty;

    /**
     * @var bool
     */
    protected $skipSerialize;

    /**
     * @var bool
     */
    protected $skipDeserialize;

    /**
     * @var bool
     */
    protected $hasClassSerializationStrategies;

    /**
     * @var bool
     */
    protected $hasPropertySerializationStrategies;

    /**
     * @var bool
     */
    protected $hasClassDeserializationStrategies;

    /**
     * @var bool
     */
    protected $hasPropertyDeserializationStrategies;

    /**
     * An memory cache of used type adapters
     *
     * @var TypeAdapter[]
     */
    protected $adapters = [];

    /**
     * A memory cache of read properties
     *
     * @var Property[]
     */
    protected $propertyCache = [];

    /**
     * @var bool
     */
    protected $requireExclusionCheck;

    /**
     * @var bool
     */
    protected $hasPropertyExclusionCheck;

    /**
     * Constructor
     *
     * @param ObjectConstructor $objectConstructor
     * @param DefaultClassMetadata $classMetadata
     * @param Excluder $excluder
     * @param TypeAdapterProvider $typeAdapterProvider
     * @param null|string $classVirtualProperty
     * @param bool $requireExclusionCheck
     * @param bool $hasPropertyExclusionCheck
     */
    public function __construct(
        ObjectConstructor $objectConstructor,
        DefaultClassMetadata $classMetadata,
        Excluder $excluder,
        TypeAdapterProvider $typeAdapterProvider,
        ?string $classVirtualProperty,
        bool $requireExclusionCheck,
        bool $hasPropertyExclusionCheck
    ) {
        $this->objectConstructor = $objectConstructor;
        $this->classMetadata = $classMetadata;
        $this->excluder = $excluder;
        $this->typeAdapterProvider = $typeAdapterProvider;
        $this->classVirtualProperty = $classVirtualProperty;
        $this->requireExclusionCheck = $requireExclusionCheck;
        $this->hasPropertyExclusionCheck = $hasPropertyExclusionCheck;

        $this->classAnnotations = $classMetadata->annotations;
        $this->properties = $classMetadata->properties;
        $this->skipSerialize = $classMetadata->skipSerialize;
        $this->skipDeserialize = $classMetadata->skipDeserialize;
        $this->hasClassSerializationStrategies = $this->excluder->hasClassSerializationStrategies();
        $this->hasPropertySerializationStrategies = $this->excluder->hasPropertySerializationStrategies();
        $this->hasClassDeserializationStrategies = $this->excluder->hasClassDeserializationStrategies();
        $this->hasPropertyDeserializationStrategies = $this->excluder->hasPropertyDeserializationStrategies();
    }

    /**
     * Read the next value, convert it to its type and return it
     *
     * @param array $value
     * @param ReaderContext $context
     * @return object
     */
    public function read($value, ReaderContext $context)
    {
        if ($this->skipDeserialize || $value === null) {
            return null;
        }

        $object = $this->objectConstructor->construct();
        $classExclusionCheck = $this->hasClassDeserializationStrategies
            && (!$this->requireExclusionCheck || ($this->requireExclusionCheck && $this->classAnnotations->get(ExclusionCheck::class) !== null));
        $propertyExclusionCheck = $this->hasPropertyDeserializationStrategies
            && (!$this->requireExclusionCheck || ($this->requireExclusionCheck && $this->hasPropertyExclusionCheck));
        $exclusionData = $classExclusionCheck || $propertyExclusionCheck
            ? new DefaultDeserializationExclusionData(clone $object, $context)
            : null;

        if ($classExclusionCheck && $exclusionData) {
            $this->excluder->applyClassDeserializationExclusionData($exclusionData);

            if ($this->excluder->excludeClassByDeserializationStrategy($this->classMetadata)) {
                return null;
            }
        }

        if ($propertyExclusionCheck && $exclusionData) {
            $this->excluder->applyPropertyDeserializationExclusionData($exclusionData);
        }

        if ($this->classVirtualProperty !== null) {
            $value = array_pop($value);
        }

        $usesExisting = $context->usesExistingObject();
        $enableScalarAdapters = $context->enableScalarAdapters();

        foreach ($value as $name => $item) {
            $property = $this->propertyCache[$name] ?? ($this->propertyCache[$name] = ($this->properties->elements[$name] ?? null));

            if ($property === null || $property->skipDeserialize) {
                continue;
            }

            $checkProperty = $this->hasPropertyDeserializationStrategies
                && (!$this->requireExclusionCheck || ($this->requireExclusionCheck && $property->annotations->get(ExclusionCheck::class) !== null));
            if ($checkProperty && $this->excluder->excludePropertyByDeserializationStrategy($property)) {
                continue;
            }

            if (!$enableScalarAdapters && $property->isScalar) {
                $property->setterStrategy->set($object, $item);
                continue;
            }

            $adapter = $this->adapters[$name] ?? null;
            if ($adapter === null) {
                $adapter = $this->getAdapter($property);
            }

            if ($usesExisting && $adapter instanceof ObjectConstructorAware) {
                try {
                    $nestedObject = $property->getterStrategy->get($object);
                } /** @noinspection BadExceptionsProcessingInspection */ catch (TypeError $error) {
                    // this may occur when attempting to get a nested object that doesn't exist and
                    // the method return is not nullable. The type error only occurs because we are
                    // may be calling the getter before data exists.
                    $nestedObject = null;
                }

                if ($nestedObject !== null) {
                    $adapter->setObjectConstructor(new CreateFromInstance($nestedObject));
                }
            }

            $property->setterStrategy->set($object, $adapter->read($item, $context));
        }

        return $object;
    }

    /**
     * Write the value to the writer for the type
     *
     * @param object $value
     * @param WriterContext $context
     * @return array|null
     */
    public function write($value, WriterContext $context): ?array
    {
        if ($this->skipSerialize || $value === null) {
            return null;
        }

        $classExclusionCheck = $this->hasClassSerializationStrategies
            && (!$this->requireExclusionCheck || ($this->requireExclusionCheck && $this->classAnnotations->get(ExclusionCheck::class) !== null));
        $propertyExclusionCheck = $this->hasPropertySerializationStrategies
            && (!$this->requireExclusionCheck || ($this->requireExclusionCheck && $this->hasPropertyExclusionCheck));
        $exclusionData = $classExclusionCheck || $propertyExclusionCheck
            ? new DefaultSerializationExclusionData($value, $context)
            : null;

        if ($classExclusionCheck && $exclusionData) {
            $this->excluder->applyClassSerializationExclusionData($exclusionData);

            if ($this->excluder->excludeClassBySerializationStrategy($this->classMetadata)) {
                return null;
            }
        }

        if ($propertyExclusionCheck && $exclusionData) {
            $this->excluder->applyPropertySerializationExclusionData($exclusionData);
        }

        $enableScalarAdapters = $context->enableScalarAdapters();
        $serializeNull = $context->serializeNull();
        $result = [];

        /** @var Property $property */
        foreach ($this->properties as $property) {
            $serializedName = $property->serializedName;

            if ($property->skipSerialize) {
                continue;
            }

            $checkProperty = $this->hasPropertySerializationStrategies
                && (!$this->requireExclusionCheck || ($this->requireExclusionCheck && $property->annotations->get(ExclusionCheck::class) !== null));
            if ($checkProperty && $this->excluder->excludePropertyBySerializationStrategy($property)) {
                continue;
            }

            if (!$enableScalarAdapters && $property->isScalar) {
                $propertyValue = $property->getterStrategy->get($value);
                if ($serializeNull || $propertyValue !== null) {
                    $result[$serializedName] = $propertyValue;
                }
                continue;
            }

            $adapter = $this->adapters[$serializedName] ?? null;
            if ($adapter === null) {
                $adapter = $this->getAdapter($property);
            }

            $propertyValue = $adapter->write($property->getterStrategy->get($value), $context);
            if ($serializeNull || $propertyValue !== null) {
                $result[$serializedName] = $propertyValue;
            }
        }

        if ($this->classVirtualProperty !== null) {
            $result = [$this->classVirtualProperty => $result];
        }

        return $result;
    }

    /**
     * Get the next type adapter
     *
     * @param Property $property
     * @return TypeAdapter
     */
    protected function getAdapter(Property $property): TypeAdapter
    {
        /** @var JsonAdapter $jsonAdapterAnnotation */
        $jsonAdapterAnnotation = $property->annotations->get(JsonAdapter::class);
        $adapter = null === $jsonAdapterAnnotation
            ? $this->typeAdapterProvider->getAdapter($property->type)
            : $this->typeAdapterProvider->getAdapterFromAnnotation($property->type, $jsonAdapterAnnotation);
        $this->adapters[$property->serializedName] = $adapter;

        return $adapter;
    }
}


1		<?php
2		/*
3		* Copyright (c) Nate Brunette.
4		* Distributed under the MIT License (http://opensource.org/licenses/MIT)
5		*/
6
7		declare(strict_types=1);
8
9		namespace Tebru\Gson\TypeAdapter;
10
11		use Tebru\AnnotationReader\AnnotationCollection;
12		use Tebru\Gson\Annotation\ExclusionCheck;
13		use Tebru\Gson\Annotation\JsonAdapter;
14		use Tebru\Gson\Internal\Data\Property;
15		use Tebru\Gson\Internal\Data\PropertyCollection;
16		use Tebru\Gson\Internal\DefaultClassMetadata;
17		use Tebru\Gson\Internal\DefaultDeserializationExclusionData;
18		use Tebru\Gson\Internal\DefaultSerializationExclusionData;
19		use Tebru\Gson\Internal\Excluder;
20		use Tebru\Gson\Internal\ObjectConstructor;
21		use Tebru\Gson\Internal\ObjectConstructor\CreateFromInstance;
22		use Tebru\Gson\Internal\ObjectConstructorAware;
23		use Tebru\Gson\Internal\ObjectConstructorAwareTrait;
24		use Tebru\Gson\Internal\TypeAdapterProvider;
25		use Tebru\Gson\Context\ReaderContext;
26		use Tebru\Gson\TypeAdapter;
27		use Tebru\Gson\Context\WriterContext;
28		use TypeError;
29
30		/**
31		* Class ReflectionTypeAdapter
32		*
33		* Uses reflected class properties to read/write object
34		*
35		* @author Nate Brunette <[email protected]>
36		*/
37		class ReflectionTypeAdapter extends TypeAdapter implements ObjectConstructorAware
38		{
39		use ObjectConstructorAwareTrait;
40
41		/**
42		* @var PropertyCollection
43		*/
44		protected $properties;
45
46		/**
47		* @var DefaultClassMetadata
48		*/
49		protected $classMetadata;
50
51		/**
52		* @var AnnotationCollection
53		*/
54		protected $classAnnotations;
55
56		/**
57		* @var Excluder
58		*/
59		protected $excluder;
60
61		/**
62		* @var TypeAdapterProvider
63		*/
64		protected $typeAdapterProvider;
65
66		/**
67		* @var null\|string
68		*/
69		protected $classVirtualProperty;
70
71		/**
72		* @var bool
73		*/
74		protected $skipSerialize;
75
76		/**
77		* @var bool
78		*/
79		protected $skipDeserialize;
80
81		/**
82		* @var bool
83		*/
84		protected $hasClassSerializationStrategies;
85
86		/**
87		* @var bool
88		*/
89		protected $hasPropertySerializationStrategies;
90
91		/**
92		* @var bool
93		*/
94		protected $hasClassDeserializationStrategies;
95
96		/**
97		* @var bool
98		*/
99		protected $hasPropertyDeserializationStrategies;
100
101		/**
102		* An memory cache of used type adapters
103		*
104		* @var TypeAdapter[]
105		*/
106		protected $adapters = [];
107
108		/**
109		* A memory cache of read properties
110		*
111		* @var Property[]
112		*/
113		protected $propertyCache = [];
114
115		/**
116		* @var bool
117		*/
118		protected $requireExclusionCheck;
119
120		/**
121		* @var bool
122		*/
123		protected $hasPropertyExclusionCheck;
124
125		/**
126		* Constructor
127		*
128		* @param ObjectConstructor $objectConstructor
129		* @param DefaultClassMetadata $classMetadata
130		* @param Excluder $excluder
131		* @param TypeAdapterProvider $typeAdapterProvider
132		* @param null\|string $classVirtualProperty
133		* @param bool $requireExclusionCheck
134		* @param bool $hasPropertyExclusionCheck
135		*/
136	17	public function __construct(
137		ObjectConstructor $objectConstructor,
138		DefaultClassMetadata $classMetadata,
139		Excluder $excluder,
140		TypeAdapterProvider $typeAdapterProvider,
141		?string $classVirtualProperty,
142		bool $requireExclusionCheck,
143		bool $hasPropertyExclusionCheck
144		) {
145	17	$this->objectConstructor = $objectConstructor;
146	17	$this->classMetadata = $classMetadata;
147	17	$this->excluder = $excluder;
148	17	$this->typeAdapterProvider = $typeAdapterProvider;
149	17	$this->classVirtualProperty = $classVirtualProperty;
150	17	$this->requireExclusionCheck = $requireExclusionCheck;
151	17	$this->hasPropertyExclusionCheck = $hasPropertyExclusionCheck;
152
153	17	$this->classAnnotations = $classMetadata->annotations;
154	17	$this->properties = $classMetadata->properties;
155	17	$this->skipSerialize = $classMetadata->skipSerialize;
156	17	$this->skipDeserialize = $classMetadata->skipDeserialize;
157	17	$this->hasClassSerializationStrategies = $this->excluder->hasClassSerializationStrategies();
158	17	$this->hasPropertySerializationStrategies = $this->excluder->hasPropertySerializationStrategies();
159	17	$this->hasClassDeserializationStrategies = $this->excluder->hasClassDeserializationStrategies();
160	17	$this->hasPropertyDeserializationStrategies = $this->excluder->hasPropertyDeserializationStrategies();
161	17	}
162
163		/**
164		* Read the next value, convert it to its type and return it
165		*
166		* @param array $value
167		* @param ReaderContext $context
168		* @return object
169		*/
170	11	public function read($value, ReaderContext $context)
171		{
172	11	if ($this->skipDeserialize \|\| $value === null) {
173	2	return null;
174		}
175
176	9	$object = $this->objectConstructor->construct();
177	9	$classExclusionCheck = $this->hasClassDeserializationStrategies
178	9	&& (!$this->requireExclusionCheck \|\| ($this->requireExclusionCheck && $this->classAnnotations->get(ExclusionCheck::class) !== null));
179	9	$propertyExclusionCheck = $this->hasPropertyDeserializationStrategies
180	9	&& (!$this->requireExclusionCheck \|\| ($this->requireExclusionCheck && $this->hasPropertyExclusionCheck));
181	9	$exclusionData = $classExclusionCheck \|\| $propertyExclusionCheck
182	2	? new DefaultDeserializationExclusionData(clone $object, $context)
183	9	: null;
184
185	9	if ($classExclusionCheck && $exclusionData) {
186	1	$this->excluder->applyClassDeserializationExclusionData($exclusionData);
187
188	1	if ($this->excluder->excludeClassByDeserializationStrategy($this->classMetadata)) {
189	1	return null;
190		}
191		}
192
193	8	if ($propertyExclusionCheck && $exclusionData) {
194	1	$this->excluder->applyPropertyDeserializationExclusionData($exclusionData);
195		}
196
197	8	if ($this->classVirtualProperty !== null) {
198	1	$value = array_pop($value);
199		}
200
201	8	$usesExisting = $context->usesExistingObject();
202	8	$enableScalarAdapters = $context->enableScalarAdapters();
203
204	8	foreach ($value as $name => $item) {
205	8	$property = $this->propertyCache[$name] ?? ($this->propertyCache[$name] = ($this->properties->elements[$name] ?? null));
206
207	8	if ($property === null \|\| $property->skipDeserialize) {
208	8	continue;
209		}
210
211	6	$checkProperty = $this->hasPropertyDeserializationStrategies
212	6	&& (!$this->requireExclusionCheck \|\| ($this->requireExclusionCheck && $property->annotations->get(ExclusionCheck::class) !== null));
213	6	if ($checkProperty && $this->excluder->excludePropertyByDeserializationStrategy($property)) {
214	1	continue;
215		}
216
217	6	if (!$enableScalarAdapters && $property->isScalar) {
218	5	$property->setterStrategy->set($object, $item);
219	5	continue;
220		}
221
222	6	$adapter = $this->adapters[$name] ?? null;
223	6	if ($adapter === null) {
224	6	$adapter = $this->getAdapter($property);
225		}
226
227	6	if ($usesExisting && $adapter instanceof ObjectConstructorAware) {
228		try {
229	2	$nestedObject = $property->getterStrategy->get($object);
230	1	} /** @noinspection BadExceptionsProcessingInspection */ catch (TypeError $error) {
231		// this may occur when attempting to get a nested object that doesn't exist and
232		// the method return is not nullable. The type error only occurs because we are
233		// may be calling the getter before data exists.
234	1	$nestedObject = null;
235		}
236
237	2	if ($nestedObject !== null) {
238	1	$adapter->setObjectConstructor(new CreateFromInstance($nestedObject));
239		}
240		}
241
242	6	$property->setterStrategy->set($object, $adapter->read($item, $context));
243		}
244
245	8	return $object;
246		}
247
248		/**
249		* Write the value to the writer for the type
250		*
251		* @param object $value
252		* @param WriterContext $context
253		* @return array\|null
254		*/
255	6	public function write($value, WriterContext $context): ?array
256		{
257	6	if ($this->skipSerialize \|\| $value === null) {
258	2	return null;
259		}
260
261	4	$classExclusionCheck = $this->hasClassSerializationStrategies
262	4	&& (!$this->requireExclusionCheck \|\| ($this->requireExclusionCheck && $this->classAnnotations->get(ExclusionCheck::class) !== null));
263	4	$propertyExclusionCheck = $this->hasPropertySerializationStrategies
264	4	&& (!$this->requireExclusionCheck \|\| ($this->requireExclusionCheck && $this->hasPropertyExclusionCheck));
265	4	$exclusionData = $classExclusionCheck \|\| $propertyExclusionCheck
266	2	? new DefaultSerializationExclusionData($value, $context)
267	4	: null;
268
269	4	if ($classExclusionCheck && $exclusionData) {
270	1	$this->excluder->applyClassSerializationExclusionData($exclusionData);
271
272	1	if ($this->excluder->excludeClassBySerializationStrategy($this->classMetadata)) {
273	1	return null;
274		}
275		}
276
277	3	if ($propertyExclusionCheck && $exclusionData) {
278	1	$this->excluder->applyPropertySerializationExclusionData($exclusionData);
279		}
280
281	3	$enableScalarAdapters = $context->enableScalarAdapters();
282	3	$serializeNull = $context->serializeNull();
283	3	$result = [];
284
285		/** @var Property $property */
286	3	foreach ($this->properties as $property) {
287	3	$serializedName = $property->serializedName;
288
289	3	if ($property->skipSerialize) {
290	3	continue;
291		}
292
293	3	$checkProperty = $this->hasPropertySerializationStrategies
294	3	&& (!$this->requireExclusionCheck \|\| ($this->requireExclusionCheck && $property->annotations->get(ExclusionCheck::class) !== null));
295	3	if ($checkProperty && $this->excluder->excludePropertyBySerializationStrategy($property)) {
296	1	continue;
297		}
298
299	3	if (!$enableScalarAdapters && $property->isScalar) {
300	3	$propertyValue = $property->getterStrategy->get($value);
301	3	if ($serializeNull \|\| $propertyValue !== null) {
302	3	$result[$serializedName] = $propertyValue;
303		}
304	3	continue;
305		}
306
307	3	$adapter = $this->adapters[$serializedName] ?? null;
308	3	if ($adapter === null) {
309	3	$adapter = $this->getAdapter($property);
310		}
311
312	3	$propertyValue = $adapter->write($property->getterStrategy->get($value), $context);
313	3	if ($serializeNull \|\| $propertyValue !== null) {
314	3	$result[$serializedName] = $propertyValue;
315		}
316		}
317
318	3	if ($this->classVirtualProperty !== null) {
319	1	$result = [$this->classVirtualProperty => $result];
320		}
321
322	3	return $result;
323		}
324
325		/**
326		* Get the next type adapter
327		*
328		* @param Property $property
329		* @return TypeAdapter
330		*/
331	9	protected function getAdapter(Property $property): TypeAdapter
332		{
333		/** @var JsonAdapter $jsonAdapterAnnotation */
334	9	$jsonAdapterAnnotation = $property->annotations->get(JsonAdapter::class);
335	9	$adapter = null === $jsonAdapterAnnotation
336	9	? $this->typeAdapterProvider->getAdapter($property->type)
337	9	: $this->typeAdapterProvider->getAdapterFromAnnotation($property->type, $jsonAdapterAnnotation);
338	9	$this->adapters[$property->serializedName] = $adapter;
339
340	9	return $adapter;
341		}
342		}
343

tebru / gson-php

Pull Request — master (#44)

ReflectionTypeAdapter::read() F

Complexity

Size

Duplication

Code Coverage

Importance

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