JsonDeserializationVisitor::__construct() - Code Metrics - Inspection of "Move accessors to graph navigator" - schmittjoh/serializer - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#923)

by Asmir

created 2018-04-27 18:56 UTC

JsonDeserializationVisitor::__construct() A

↳ Parent: JsonDeserializationVisitor

Complexity

Conditions	1
Paths	1

Size

Total Lines	9
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	5
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
eloc	4
nc	1
nop	4
dl	0
loc	9
ccs	5
cts	5
cp	1
crap	1
rs	9.6666
c	0
b	0
f	0

<?php

declare(strict_types=1);

/*
 * 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\Serializer\Accessor\AccessorStrategyInterface;
use JMS\Serializer\Exception\LogicException;
use JMS\Serializer\Exception\RuntimeException;
use JMS\Serializer\Metadata\ClassMetadata;
use JMS\Serializer\Metadata\PropertyMetadata;

class JsonDeserializationVisitor extends AbstractVisitor implements DeserializationVisitorInterface
{
    private $options = 0;
    private $depth = 512;

    private $objectStack;
    private $currentObject;

    public function __construct(
        GraphNavigatorInterface $navigator,
        DeserializationContext $context,
        int $options = 0, int $depth = 512)
    {
        parent::__construct($navigator, $context);
        $this->objectStack = new \SplStack;
        $this->options = $options;
        $this->depth = $depth;
    }

    public function visitNull($data, array $type): void
    {

    }

    public function visitString($data, array $type): string
    {
        return (string)$data;
    }

    public function visitBoolean($data, array $type): bool
    {
        return (bool)$data;
    }

    public function visitInteger($data, array $type): int
    {
        return (int)$data;
    }

    public function visitDouble($data, array $type): float
    {
        return (double)$data;
    }

    public function visitArray($data, array $type): array
    {
        if (!\is_array($data)) {
            throw new RuntimeException(sprintf('Expected array, but got %s: %s', \gettype($data), json_encode($data)));
        }

        // If no further parameters were given, keys/values are just passed as is.
        if (!$type['params']) {
            return $data;
        }

        switch (\count($type['params'])) {
            case 1: // Array is a list.
                $listType = $type['params'][0];

                $result = array();

                foreach ($data as $v) {
                    $result[] = $this->navigator->accept($v, $listType, $this->context);
                }

                return $result;

            case 2: // Array is a map.
                list($keyType, $entryType) = $type['params'];

                $result = array();

                foreach ($data as $k => $v) {
                    $result[$this->navigator->accept($k, $keyType, $this->context)] = $this->navigator->accept($v, $entryType, $this->context);
                }

                return $result;

            default:
                throw new RuntimeException(sprintf('Array type cannot have more than 2 parameters, but got %s.', json_encode($type['params'])));
        }
    }

    public function visitDiscriminatorMapProperty($data, ClassMetadata $metadata): string
    {
        if (isset($data[$metadata->discriminatorFieldName])) {
            return (string)$data[$metadata->discriminatorFieldName];
        }

        throw new LogicException(sprintf(
            'The discriminator field name "%s" for base-class "%s" was not found in input data.',
            $metadata->discriminatorFieldName,
            $metadata->name
        ));
    }

    public function startVisitingObject(ClassMetadata $metadata, object $object, array $type): void
    {
        $this->setCurrentObject($object);
    }

    public function visitProperty(PropertyMetadata $metadata, $data)
    {
        $name = $metadata->serializedName;

        if (null === $data) {
            return;
        }

        if (!\is_array($data)) {
            throw new RuntimeException(sprintf('Invalid data "%s"(%s), expected "%s".', $data, $metadata->type['name'], $metadata->reflection->class));
        }

        if (!array_key_exists($name, $data)) {
            return;
        }

        if (!$metadata->type) {
            throw new RuntimeException(sprintf('You must define a type for %s::$%s.', $metadata->reflection->class, $metadata->name));
        }

        $v = $data[$name] !== null ? $this->navigator->accept($data[$name], $metadata->type, $this->context) : null;

        return $v;
    }

    public function endVisitingObject(ClassMetadata $metadata, $data, array $type): object
    {
        $obj = $this->currentObject;
        $this->revertCurrentObject();

        return $obj;
    }

    public function getResult($data)
    {
        return $data;
    }

    public function setCurrentObject($object)
    {
        $this->objectStack->push($this->currentObject);
        $this->currentObject = $object;
    }

    public function getCurrentObject()
    {
        return $this->currentObject;
    }

    public function revertCurrentObject()
    {
        return $this->currentObject = $this->objectStack->pop();
    }

    public function prepare($str)
    {
        $decoded = json_decode($str, true, $this->depth, $this->options);

        switch (json_last_error()) {
            case JSON_ERROR_NONE:
                return $decoded;

            case JSON_ERROR_DEPTH:
                throw new RuntimeException('Could not decode JSON, maximum stack depth exceeded.');

            case JSON_ERROR_STATE_MISMATCH:
                throw new RuntimeException('Could not decode JSON, underflow or the nodes mismatch.');

            case JSON_ERROR_CTRL_CHAR:
                throw new RuntimeException('Could not decode JSON, unexpected control character found.');

            case JSON_ERROR_SYNTAX:
                throw new RuntimeException('Could not decode JSON, syntax error - malformed JSON.');

            case JSON_ERROR_UTF8:
                throw new RuntimeException('Could not decode JSON, malformed UTF-8 characters (incorrectly encoded?)');

            default:
                throw new RuntimeException('Could not decode JSON.');
        }
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		/*
6		* Copyright 2016 Johannes M. Schmitt <[email protected]>
7		*
8		* Licensed under the Apache License, Version 2.0 (the "License");
9		* you may not use this file except in compliance with the License.
10		* You may obtain a copy of the License at
11		*
12		* http://www.apache.org/licenses/LICENSE-2.0
13		*
14		* Unless required by applicable law or agreed to in writing, software
15		* distributed under the License is distributed on an "AS IS" BASIS,
16		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17		* See the License for the specific language governing permissions and
18		* limitations under the License.
19		*/
20
21		namespace JMS\Serializer;
22
23		use JMS\Serializer\Accessor\AccessorStrategyInterface;
24		use JMS\Serializer\Exception\LogicException;
25		use JMS\Serializer\Exception\RuntimeException;
26		use JMS\Serializer\Metadata\ClassMetadata;
27		use JMS\Serializer\Metadata\PropertyMetadata;
28
29		class JsonDeserializationVisitor extends AbstractVisitor implements DeserializationVisitorInterface
30		{
31		private $options = 0;
32		private $depth = 512;
33
34		private $objectStack;
35		private $currentObject;
36
37	65	public function __construct(
38		GraphNavigatorInterface $navigator,
39		DeserializationContext $context,
40		int $options = 0, int $depth = 512)
41		{
42	65	parent::__construct($navigator, $context);
43	65	$this->objectStack = new \SplStack;
44	65	$this->options = $options;
45	65	$this->depth = $depth;
46	65	}
47
48	2	public function visitNull($data, array $type): void
49		{
50
51	2	}
52
53	24	public function visitString($data, array $type): string
54		{
55	24	return (string)$data;
56		}
57
58	5	public function visitBoolean($data, array $type): bool
59		{
60	5	return (bool)$data;
61		}
62
63	9	public function visitInteger($data, array $type): int
64		{
65	9	return (int)$data;
66		}
67
68	15	public function visitDouble($data, array $type): float
69		{
70	15	return (double)$data;
71		}
72
73	19	public function visitArray($data, array $type): array
74		{
75	19	if (!\is_array($data)) {
76		throw new RuntimeException(sprintf('Expected array, but got %s: %s', \gettype($data), json_encode($data)));
77		}
78
79		// If no further parameters were given, keys/values are just passed as is.
80	19	if (!$type['params']) {
81	4	return $data;
82		}
83
84	15	switch (\count($type['params'])) {
85	15	case 1: // Array is a list.
86	13	$listType = $type['params'][0];
87
88	13	$result = array();
89
90	13	foreach ($data as $v) {
91	12	$result[] = $this->navigator->accept($v, $listType, $this->context);
92		}
93
94	13	return $result;
95
96	5	case 2: // Array is a map.
97	5	list($keyType, $entryType) = $type['params'];
98
99	5	$result = array();
100
101	5	foreach ($data as $k => $v) {
102	5	$result[$this->navigator->accept($k, $keyType, $this->context)] = $this->navigator->accept($v, $entryType, $this->context);
103		}
104
105	5	return $result;
106
107		default:
108		throw new RuntimeException(sprintf('Array type cannot have more than 2 parameters, but got %s.', json_encode($type['params'])));
109		}
110		}
111
112	6	public function visitDiscriminatorMapProperty($data, ClassMetadata $metadata): string
113		{
114	6	if (isset($data[$metadata->discriminatorFieldName])) {
115	5	return (string)$data[$metadata->discriminatorFieldName];
116		}
117
118	1	throw new LogicException(sprintf(
119	1	'The discriminator field name "%s" for base-class "%s" was not found in input data.',
120	1	$metadata->discriminatorFieldName,
121	1	$metadata->name
122		));
123		}
124
125	30	public function startVisitingObject(ClassMetadata $metadata, object $object, array $type): void
126		{
127	30	$this->setCurrentObject($object);
128	30	}
129
130	30	public function visitProperty(PropertyMetadata $metadata, $data)
131		{
132	30	$name = $metadata->serializedName;
133
134	30	if (null === $data) {
135		return;
136		}
137
138	30	if (!\is_array($data)) {
139	1	throw new RuntimeException(sprintf('Invalid data "%s"(%s), expected "%s".', $data, $metadata->type['name'], $metadata->reflection->class));
140		}
141
142	30	if (!array_key_exists($name, $data)) {
143	3	return;
144		}
145
146	28	if (!$metadata->type) {
147		throw new RuntimeException(sprintf('You must define a type for %s::$%s.', $metadata->reflection->class, $metadata->name));
148		}
149
150	28	$v = $data[$name] !== null ? $this->navigator->accept($data[$name], $metadata->type, $this->context) : null;
151
152	28	return $v;
153		}
154
155	29	public function endVisitingObject(ClassMetadata $metadata, $data, array $type): object
156		{
157	29	$obj = $this->currentObject;
158	29	$this->revertCurrentObject();
159
160	29	return $obj;
161		}
162
163	61	public function getResult($data)
164		{
165	61	return $data;
166		}
167
168	30	public function setCurrentObject($object)
169		{
170	30	$this->objectStack->push($this->currentObject);
171	30	$this->currentObject = $object;
172	30	}
173
174		public function getCurrentObject()
175		{
176		return $this->currentObject;
177		}
178
179	29	public function revertCurrentObject()
180		{
181	29	return $this->currentObject = $this->objectStack->pop();
182		}
183
184	63	public function prepare($str)
185		{
186	63	$decoded = json_decode($str, true, $this->depth, $this->options);
187
188	63	switch (json_last_error()) {
189	63	case JSON_ERROR_NONE:
190	63	return $decoded;
191
192		case JSON_ERROR_DEPTH:
193		throw new RuntimeException('Could not decode JSON, maximum stack depth exceeded.');
194
195		case JSON_ERROR_STATE_MISMATCH:
196		throw new RuntimeException('Could not decode JSON, underflow or the nodes mismatch.');
197
198		case JSON_ERROR_CTRL_CHAR:
199		throw new RuntimeException('Could not decode JSON, unexpected control character found.');
200
201		case JSON_ERROR_SYNTAX:
202		throw new RuntimeException('Could not decode JSON, syntax error - malformed JSON.');
203
204		case JSON_ERROR_UTF8:
205		throw new RuntimeException('Could not decode JSON, malformed UTF-8 characters (incorrectly encoded?)');
206
207		default:
208		throw new RuntimeException('Could not decode JSON.');
209		}
210		}
211		}
212

schmittjoh / serializer

Pull Request — master (#923)

JsonDeserializationVisitor::__construct() A

Complexity

Size

Duplication

Code Coverage

Importance

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