JsonDeserializationVisitor::prepare() - Code Metrics - Inspection of "Merge pull request #911 from Majkl578/throwable" - schmittjoh/serializer - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Branch — master (bf85d9)

by Johannes

created 2018-04-26 08:53 UTC

JsonDeserializationVisitor::prepare() C

↳ Parent: JsonDeserializationVisitor

Complexity

Conditions	7
Paths	7

Size

Total Lines	25
Code Lines	16

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	5
CRAP Score	22.9226

Importance

Changes

Metric	Value
cc	7
eloc	16
nc	7
nop	1
dl	0
loc	25
ccs	5
cts	16
cp	0.3125
crap	22.9226
rs	6.7272
c	0
b	0
f	0

<?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\Serializer\Accessor\AccessorStrategyInterface;
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,
        AccessorStrategyInterface $accessorStrategy,
        DeserializationContext $context,
        int $options = 0, int $depth = 512)
    {
        parent::__construct($navigator, $accessorStrategy, $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 startVisitingObject(ClassMetadata $metadata, $object, array $type): void
    {
        $this->setCurrentObject($object);
    }

    public function visitProperty(PropertyMetadata $metadata, $data): void
    {
        $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;

        $this->accessor->setValue($this->currentObject, $v, $metadata);

    }

    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		/*
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\Serializer\Accessor\AccessorStrategyInterface;
22		use JMS\Serializer\Exception\RuntimeException;
23		use JMS\Serializer\Metadata\ClassMetadata;
24		use JMS\Serializer\Metadata\PropertyMetadata;
25
26		class JsonDeserializationVisitor extends AbstractVisitor implements DeserializationVisitorInterface
27		{
28		private $options = 0;
29		private $depth = 512;
30
31		private $objectStack;
32		private $currentObject;
33
34	59	public function __construct(
35		GraphNavigatorInterface $navigator,
36		AccessorStrategyInterface $accessorStrategy,
37		DeserializationContext $context,
38		int $options = 0, int $depth = 512)
39		{
40	59	parent::__construct($navigator, $accessorStrategy, $context);
41	59	$this->objectStack = new \SplStack;
42	59	$this->options = $options;
43	59	$this->depth = $depth;
44	59	}
45
46	1	public function visitNull($data, array $type): void
47		{
48
49	1	}
50
51	23	public function visitString($data, array $type): string
52		{
53	23	return (string)$data;
54		}
55
56	5	public function visitBoolean($data, array $type): bool
57		{
58	5	return (bool)$data;
59		}
60
61	8	public function visitInteger($data, array $type): int
62		{
63	8	return (int)$data;
64		}
65
66	13	public function visitDouble($data, array $type): float
67		{
68	13	return (double)$data;
69		}
70
71	19	public function visitArray($data, array $type): array
72		{
73	19	if (!\is_array($data)) {
74		throw new RuntimeException(sprintf('Expected array, but got %s: %s', \gettype($data), json_encode($data)));
75		}
76
77		// If no further parameters were given, keys/values are just passed as is.
78	19	if (!$type['params']) {
79	4	return $data;
80		}
81
82	15	switch (\count($type['params'])) {
83	15	case 1: // Array is a list.
84	13	$listType = $type['params'][0];
85
86	13	$result = array();
87
88	13	foreach ($data as $v) {
89	12	$result[] = $this->navigator->accept($v, $listType, $this->context);
90		}
91
92	13	return $result;
93
94	5	case 2: // Array is a map.
95	5	list($keyType, $entryType) = $type['params'];
96
97	5	$result = array();
98
99	5	foreach ($data as $k => $v) {
100	5	$result[$this->navigator->accept($k, $keyType, $this->context)] = $this->navigator->accept($v, $entryType, $this->context);
101		}
102
103	5	return $result;
104
105		default:
106		throw new RuntimeException(sprintf('Array type cannot have more than 2 parameters, but got %s.', json_encode($type['params'])));
107		}
108		}
109
110	30	public function startVisitingObject(ClassMetadata $metadata, $object, array $type): void
111		{
112	30	$this->setCurrentObject($object);
113	30	}
114
115	30	public function visitProperty(PropertyMetadata $metadata, $data): void
116		{
117	30	$name = $metadata->serializedName;
118
119	30	if (null === $data) {
120		return;
121		}
122
123	30	if (!\is_array($data)) {
124	1	throw new RuntimeException(sprintf('Invalid data "%s"(%s), expected "%s".', $data, $metadata->type['name'], $metadata->reflection->class));
125		}
126
127	30	if (!array_key_exists($name, $data)) {
128	3	return;
129		}
130
131	28	if (!$metadata->type) {
132		throw new RuntimeException(sprintf('You must define a type for %s::$%s.', $metadata->reflection->class, $metadata->name));
133		}
134
135	28	$v = $data[$name] !== null ? $this->navigator->accept($data[$name], $metadata->type, $this->context) : null;
136
137	28	$this->accessor->setValue($this->currentObject, $v, $metadata);
138
139	28	}
140
141	29	public function endVisitingObject(ClassMetadata $metadata, $data, array $type): object
142		{
143	29	$obj = $this->currentObject;
144	29	$this->revertCurrentObject();
145
146	29	return $obj;
147		}
148
149	55	public function getResult($data)
150		{
151	55	return $data;
152		}
153
154	30	public function setCurrentObject($object)
155		{
156	30	$this->objectStack->push($this->currentObject);
157	30	$this->currentObject = $object;
158	30	}
159
160		public function getCurrentObject()
161		{
162		return $this->currentObject;
163		}
164
165	29	public function revertCurrentObject()
166		{
167	29	return $this->currentObject = $this->objectStack->pop();
168		}
169
170	57	public function prepare($str)
171		{
172	57	$decoded = json_decode($str, true, $this->depth, $this->options);
173
174	57	switch (json_last_error()) {
175	57	case JSON_ERROR_NONE:
176	57	return $decoded;
177
178		case JSON_ERROR_DEPTH:
179		throw new RuntimeException('Could not decode JSON, maximum stack depth exceeded.');
180
181		case JSON_ERROR_STATE_MISMATCH:
182		throw new RuntimeException('Could not decode JSON, underflow or the nodes mismatch.');
183
184		case JSON_ERROR_CTRL_CHAR:
185		throw new RuntimeException('Could not decode JSON, unexpected control character found.');
186
187		case JSON_ERROR_SYNTAX:
188		throw new RuntimeException('Could not decode JSON, syntax error - malformed JSON.');
189
190		case JSON_ERROR_UTF8:
191		throw new RuntimeException('Could not decode JSON, malformed UTF-8 characters (incorrectly encoded?)');
192
193		default:
194		throw new RuntimeException('Could not decode JSON.');
195		}
196		}
197		}
198

schmittjoh / serializer

Branch — master (bf85d9)

JsonDeserializationVisitor::prepare() C

Complexity

Size

Duplication

Code Coverage

Importance

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