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

Completed

Push — caching ( 6c9b2f )

by Nate

created 2020-03-17 05:30 UTC

ReflectionTypeAdapter::read() D

↳ Parent: ReflectionTypeAdapter

Complexity

Conditions	18
Paths	31

Size

Total Lines	63
Code Lines	33

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
eloc	33
c	1
b	0
f	0
dl	0
loc	63
rs	4.8666
cc	18
nc	31
nop	2

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\Gson\Context\ReaderContext;
use Tebru\Gson\Context\WriterContext;
use Tebru\Gson\Internal\Data\Property;
use Tebru\Gson\Internal\DefaultClassMetadata;
use Tebru\Gson\Internal\ObjectConstructor;
use Tebru\Gson\Internal\ObjectConstructor\CreateFromInstance;
use Tebru\Gson\Internal\ObjectConstructorAware;
use Tebru\Gson\Internal\ObjectConstructorAwareTrait;
use Tebru\Gson\TypeAdapter;
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 DefaultClassMetadata
     */
    protected $classMetadata;

    /**
     * @var Property[]
     */
    protected $properties;

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

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

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

    /**
     * Constructor
     *
     * @param ObjectConstructor $objectConstructor
     * @param DefaultClassMetadata $classMetadata
     * @param null|string $classVirtualProperty
     */
    public function __construct(
        ObjectConstructor $objectConstructor,
        DefaultClassMetadata $classMetadata,
        ?string $classVirtualProperty
    ) {
        $this->objectConstructor = $objectConstructor;
        $this->classVirtualProperty = $classVirtualProperty;
        $this->classMetadata = $classMetadata;
        $this->properties = $classMetadata->properties->elements;
        $this->skipSerialize = $classMetadata->skipSerialize;
        $this->skipDeserialize = $classMetadata->skipDeserialize;
    }

    /**
     * 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;
        }

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

        $object = $this->objectConstructor->construct();
        $usesExisting = $context->usesExistingObject;
        $enableScalarAdapters = $context->enableScalarAdapters;
        $typeAdapterProvider = $context->typeAdapterProvider;
        $excluder = $context->getExcluder();
        $payload = $context->getPayload();

        if ($this->classMetadata->hasExclusions && $excluder->skipClassDeserializeByStrategy($this->classMetadata, $object, $payload)) {

            return null;
        }

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

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

            if ($property->hasExclusions && $excluder->skipPropertyDeserializeByStrategy($property, $object, $payload)) {

                continue;
            }

            $adapter = $property->adapter;

            if ($adapter === null) {
                // disabled scalar adapters
                if ($property->isScalar && !$enableScalarAdapters) {
                    $property->setterStrategy->set($object, $item);
                    continue;
                }

                $adapter = $property->adapter = $typeAdapterProvider->getAdapterFromProperty($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;
        }

        $result = [];
        $serializeNull = $context->serializeNull();
        $enableScalarAdapters = $context->enableScalarAdapters();
        $typeAdapterProvider = $context->getTypeAdapterProvider();
        $excluder = $context->getExcluder();

        if ($this->classMetadata->hasExclusions && $excluder->skipClassSerializeByStrategy($this->classMetadata, $value)) {

            return null;
        }

        foreach ($this->properties as $property) {
            if ($property->skipSerialize) {
                continue;
            }
            if ($property->hasExclusions && $excluder->skipPropertySerializeByStrategy($property, $value)) {

                continue;
            }

            $serializedName = $property->serializedName;
            $propertyValue = $property->getterStrategy->get($value);
            $isNull = $propertyValue === null;
            $adapter = $property->adapter;

            if ($adapter === null && ($enableScalarAdapters || !$property->isScalar)) {
                $adapter = $typeAdapterProvider->getAdapterFromProperty($property);
            }

            if (!$isNull && $adapter !== null) {
                $propertyValue = $adapter->write($propertyValue, $context);
            }

            if ($serializeNull || !$isNull) {
                $result[$serializedName] = $propertyValue;
            }
        }

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

        return $result;
    }

    /**
     * Return true if object can be written to disk
     *
     * @return bool
     */
    public function canCache(): bool
    {
        return $this->objectConstructor->canCache();
    }
}


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\Gson\Context\ReaderContext;
12			use Tebru\Gson\Context\WriterContext;
13			use Tebru\Gson\Internal\Data\Property;
14			use Tebru\Gson\Internal\DefaultClassMetadata;
15			use Tebru\Gson\Internal\ObjectConstructor;
16			use Tebru\Gson\Internal\ObjectConstructor\CreateFromInstance;
17			use Tebru\Gson\Internal\ObjectConstructorAware;
18			use Tebru\Gson\Internal\ObjectConstructorAwareTrait;
19			use Tebru\Gson\TypeAdapter;
20			use TypeError;
21
22			/**
23			* Class ReflectionTypeAdapter
24			*
25			* Uses reflected class properties to read/write object
26			*
27			* @author Nate Brunette <[email protected]>
28			*/
29			class ReflectionTypeAdapter extends TypeAdapter implements ObjectConstructorAware
30			{
31			use ObjectConstructorAwareTrait;
32
33			/**
34			* @var DefaultClassMetadata
35			*/
36			protected $classMetadata;
37
38			/**
39			* @var Property[]
40			*/
41			protected $properties;
42
43			/**
44			* @var null\|string
45			*/
46			protected $classVirtualProperty;
47
48			/**
49			* @var bool
50			*/
51			protected $skipSerialize;
52
53			/**
54			* @var bool
55			*/
56			protected $skipDeserialize;
57
58			/**
59			* Constructor
60			*
61			* @param ObjectConstructor $objectConstructor
62			* @param DefaultClassMetadata $classMetadata
63			* @param null\|string $classVirtualProperty
64			*/
65			public function __construct(
66			ObjectConstructor $objectConstructor,
67			DefaultClassMetadata $classMetadata,
68			?string $classVirtualProperty
69			) {
70			$this->objectConstructor = $objectConstructor;
71			$this->classVirtualProperty = $classVirtualProperty;
72			$this->classMetadata = $classMetadata;
73			$this->properties = $classMetadata->properties->elements;
74			$this->skipSerialize = $classMetadata->skipSerialize;
75			$this->skipDeserialize = $classMetadata->skipDeserialize;
76			}
77
78			/**
79			* Read the next value, convert it to its type and return it
80			*
81			* @param array $value
82			* @param ReaderContext $context
83			* @return object
84			*/
85			public function read($value, ReaderContext $context)
86			{
87			if ($this->skipDeserialize \|\| $value === null) {
88			return null;
89			}
90
91			if ($this->classVirtualProperty !== null) {
92			$value = array_shift($value);
93			}
94
95			$object = $this->objectConstructor->construct();
96			$usesExisting = $context->usesExistingObject;
97			$enableScalarAdapters = $context->enableScalarAdapters;
98			$typeAdapterProvider = $context->typeAdapterProvider;
99			$excluder = $context->getExcluder();
100			$payload = $context->getPayload();
101
102			if ($this->classMetadata->hasExclusions && $excluder->skipClassDeserializeByStrategy($this->classMetadata, $object, $payload)) {
			0 ignored issues – show Bug introduced 2020-03-17 05:33 UTC by Report Bug Copy Issue Report The property `hasExclusions` does not seem to exist on `Tebru\Gson\Internal\DefaultClassMetadata`. Loading history...
103			return null;
104			}
105
106			foreach ($value as $name => $item) {
107			$property = $this->properties[$name] ?? null;
108
109			if ($property === null \|\| $property->skipDeserialize) {
110			continue;
111			}
112
113			if ($property->hasExclusions && $excluder->skipPropertyDeserializeByStrategy($property, $object, $payload)) {
			0 ignored issues – show Bug introduced 2020-03-17 05:33 UTC by Report Bug Copy Issue Report The property `hasExclusions` does not seem to exist on `Tebru\Gson\Internal\Data\Property`. Loading history...
114			continue;
115			}
116
117			$adapter = $property->adapter;
118
119			if ($adapter === null) {
120			// disabled scalar adapters
121			if ($property->isScalar && !$enableScalarAdapters) {
122			$property->setterStrategy->set($object, $item);
123			continue;
124			}
125
126			$adapter = $property->adapter = $typeAdapterProvider->getAdapterFromProperty($property);
127			}
128
129			if ($usesExisting && $adapter instanceof ObjectConstructorAware) {
130			try {
131			$nestedObject = $property->getterStrategy->get($object);
132			} /** @noinspection BadExceptionsProcessingInspection */ catch (TypeError $error) {
133			// this may occur when attempting to get a nested object that doesn't exist and
134			// the method return is not nullable. The type error only occurs because we are
135			// may be calling the getter before data exists.
136			$nestedObject = null;
137			}
138
139			if ($nestedObject !== null) {
140			$adapter->setObjectConstructor(new CreateFromInstance($nestedObject));
141			}
142			}
143
144			$property->setterStrategy->set($object, $adapter->read($item, $context));
145			}
146
147			return $object;
148			}
149
150			/**
151			* Write the value to the writer for the type
152			*
153			* @param object $value
154			* @param WriterContext $context
155			* @return array\|null
156			*/
157			public function write($value, WriterContext $context): ?array
158			{
159			if ($this->skipSerialize \|\| $value === null) {
160			return null;
161			}
162
163			$result = [];
164			$serializeNull = $context->serializeNull();
165			$enableScalarAdapters = $context->enableScalarAdapters();
166			$typeAdapterProvider = $context->getTypeAdapterProvider();
167			$excluder = $context->getExcluder();
168
169			if ($this->classMetadata->hasExclusions && $excluder->skipClassSerializeByStrategy($this->classMetadata, $value)) {
			0 ignored issues – show Bug introduced 2020-03-17 05:33 UTC by Report Bug Copy Issue Report The property `hasExclusions` does not seem to exist on `Tebru\Gson\Internal\DefaultClassMetadata`. Loading history...
170			return null;
171			}
172
173			foreach ($this->properties as $property) {
174			if ($property->skipSerialize) {
175			continue;
176			}
177			if ($property->hasExclusions && $excluder->skipPropertySerializeByStrategy($property, $value)) {
			0 ignored issues – show Bug introduced 2020-03-17 05:33 UTC by Report Bug Copy Issue Report The property `hasExclusions` does not seem to exist on `Tebru\Gson\Internal\Data\Property`. Loading history...
178			continue;
179			}
180
181			$serializedName = $property->serializedName;
182			$propertyValue = $property->getterStrategy->get($value);
183			$isNull = $propertyValue === null;
184			$adapter = $property->adapter;
185
186			if ($adapter === null && ($enableScalarAdapters \|\| !$property->isScalar)) {
187			$adapter = $typeAdapterProvider->getAdapterFromProperty($property);
188			}
189
190			if (!$isNull && $adapter !== null) {
191			$propertyValue = $adapter->write($propertyValue, $context);
192			}
193
194			if ($serializeNull \|\| !$isNull) {
195			$result[$serializedName] = $propertyValue;
196			}
197			}
198
199			if ($this->classVirtualProperty !== null) {
200			$result = [$this->classVirtualProperty => $result];
201			}
202
203			return $result;
204			}
205
206			/**
207			* Return true if object can be written to disk
208			*
209			* @return bool
210			*/
211			public function canCache(): bool
212			{
213			return $this->objectConstructor->canCache();
214			}
215			}
216

tebru / gson-php

Push — caching ( 6c9b2f )

ReflectionTypeAdapter::read() D

Complexity

Size

Duplication

Importance

How to fix Long Method Complexity

Long Method

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