JsonDeserializationVisitor::prepare() - 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 2018-02-16 17:59 UTC

JsonDeserializationVisitor::prepare() C

↳ Parent: JsonDeserializationVisitor

Complexity

Conditions	7
Paths	7

Size

Total Lines	27
Code Lines	17

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	5
CRAP Score	22.9226

Importance

Changes

Metric	Value
dl	0
loc	27
ccs	5
cts	16
cp	0.3125
rs	6.7272
c	0
b	0
f	0
cc	7
eloc	17
nc	7
nop	1
crap	22.9226

<?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\Exception\RuntimeException;
use JMS\Serializer\Metadata\ClassMetadata;
use JMS\Serializer\Metadata\PropertyMetadata;
use JMS\Serializer\Naming\AdvancedNamingStrategyInterface;

class JsonDeserializationVisitor extends AbstractVisitor implements DeserializationVisitorInterface
{
    private $navigator;
    private $objectStack;
    private $currentObject;

    public function setNavigator(GraphNavigatorInterface $navigator): void
    {
        $this->navigator = $navigator;
        $this->objectStack = new \SplStack;
    }

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

    }

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

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

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

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

    public function visitArray($data, array $type, DeserializationContext $context): array
    {
        if (!\is_array($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, $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, $context)] = $this->navigator->accept($v, $entryType, $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, DeserializationContext $context): void
    {
        $this->setCurrentObject($object);
    }

    public function visitProperty(PropertyMetadata $metadata, $data, DeserializationContext $context): void
    {
        if ($this->namingStrategy instanceof AdvancedNamingStrategyInterface) {
            $name = $this->namingStrategy->getPropertyName($metadata, $context);
        } else {
            $name = $this->namingStrategy->translateName($metadata);
        }

        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, $context) : null;

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

    }

    public function endVisitingObject(ClassMetadata $metadata, $data, array $type, DeserializationContext $context): 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);

        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\Exception\RuntimeException;
22		use JMS\Serializer\Metadata\ClassMetadata;
23		use JMS\Serializer\Metadata\PropertyMetadata;
24		use JMS\Serializer\Naming\AdvancedNamingStrategyInterface;
25
26		class JsonDeserializationVisitor extends AbstractVisitor implements DeserializationVisitorInterface
27		{
28		private $navigator;
29		private $objectStack;
30		private $currentObject;
31
32	106	public function setNavigator(GraphNavigatorInterface $navigator): void
33		{
34	106	$this->navigator = $navigator;
35	106	$this->objectStack = new \SplStack;
36	106	}
37
38	2	public function visitNull($data, array $type, DeserializationContext $context): void
39		{
40
41	2	}
42
43	42	public function visitString($data, array $type, DeserializationContext $context): string
44		{
45	42	return (string)$data;
46		}
47
48	10	public function visitBoolean($data, array $type, DeserializationContext $context): bool
49		{
50	10	return (bool)$data;
51		}
52
53	16	public function visitInteger($data, array $type, DeserializationContext $context): int
54		{
55	16	return (int)$data;
56		}
57
58	25	public function visitDouble($data, array $type, DeserializationContext $context): float
59		{
60	25	return (double)$data;
61		}
62
63	34	public function visitArray($data, array $type, DeserializationContext $context): array
64		{
65	34	if (!\is_array($data)) {
66		throw new RuntimeException(sprintf('Expected array, but got %s: %s', \gettype($data), json_encode($data)));
67		}
68
69		// If no further parameters were given, keys/values are just passed as is.
70	34	if (!$type['params']) {
71	5	return $data;
72		}
73
74	29	switch (\count($type['params'])) {
75	29	case 1: // Array is a list.
76	25	$listType = $type['params'][0];
77
78	25	$result = array();
79
80	25	foreach ($data as $v) {
81	23	$result[] = $this->navigator->accept($v, $listType, $context);
82		}
83
84	25	return $result;
85
86	10	case 2: // Array is a map.
87	10	list($keyType, $entryType) = $type['params'];
88
89	10	$result = array();
90
91	10	foreach ($data as $k => $v) {
92	10	$result[$this->navigator->accept($k, $keyType, $context)] = $this->navigator->accept($v, $entryType, $context);
93		}
94
95	10	return $result;
96
97		default:
98		throw new RuntimeException(sprintf('Array type cannot have more than 2 parameters, but got %s.', json_encode($type['params'])));
99		}
100		}
101
102	54	public function startVisitingObject(ClassMetadata $metadata, $object, array $type, DeserializationContext $context): void
103		{
104	54	$this->setCurrentObject($object);
105	54	}
106
107	54	public function visitProperty(PropertyMetadata $metadata, $data, DeserializationContext $context): void
108		{
109	54	if ($this->namingStrategy instanceof AdvancedNamingStrategyInterface) {
110	1	$name = $this->namingStrategy->getPropertyName($metadata, $context);
111		} else {
112	53	$name = $this->namingStrategy->translateName($metadata);
113		}
114
115	54	if (null === $data) {
116		return;
117		}
118
119	54	if (!\is_array($data)) {
120	1	throw new RuntimeException(sprintf('Invalid data "%s"(%s), expected "%s".', $data, $metadata->type['name'], $metadata->reflection->class));
121		}
122
123	54	if (!array_key_exists($name, $data)) {
124	5	return;
125		}
126
127	52	if (!$metadata->type) {
128		throw new RuntimeException(sprintf('You must define a type for %s::$%s.', $metadata->reflection->class, $metadata->name));
129		}
130
131	52	$v = $data[$name] !== null ? $this->navigator->accept($data[$name], $metadata->type, $context) : null;
132
133	52	$this->accessor->setValue($this->currentObject, $v, $metadata);
134
135	52	}
136
137	53	public function endVisitingObject(ClassMetadata $metadata, $data, array $type, DeserializationContext $context): object
138		{
139	53	$obj = $this->currentObject;
140	53	$this->revertCurrentObject();
141
142	53	return $obj;
143		}
144
145	101	public function getResult($data)
146		{
147	101	return $data;
148		}
149
150	54	public function setCurrentObject($object)
151		{
152	54	$this->objectStack->push($this->currentObject);
153	54	$this->currentObject = $object;
154	54	}
155
156		public function getCurrentObject()
157		{
158		return $this->currentObject;
159		}
160
161	53	public function revertCurrentObject()
162		{
163	53	return $this->currentObject = $this->objectStack->pop();
164		}
165
166	57	public function prepare($str)
167		{
168	57	$decoded = json_decode($str, true);
169
170	57	switch (json_last_error()) {
171	57	case JSON_ERROR_NONE:
172	57	return $decoded;
173
174		case JSON_ERROR_DEPTH:
175		throw new RuntimeException('Could not decode JSON, maximum stack depth exceeded.');
176
177		case JSON_ERROR_STATE_MISMATCH:
178		throw new RuntimeException('Could not decode JSON, underflow or the nodes mismatch.');
179
180		case JSON_ERROR_CTRL_CHAR:
181		throw new RuntimeException('Could not decode JSON, unexpected control character found.');
182
183		case JSON_ERROR_SYNTAX:
184		throw new RuntimeException('Could not decode JSON, syntax error - malformed JSON.');
185
186		case JSON_ERROR_UTF8:
187		throw new RuntimeException('Could not decode JSON, malformed UTF-8 characters (incorrectly encoded?)');
188
189		default:
190		throw new RuntimeException('Could not decode JSON.');
191		}
192		}
193		}
194

schmittjoh / serializer

Pull Request — master (#743)

JsonDeserializationVisitor::prepare() C

Complexity

Size

Duplication

Code Coverage

Importance

Duplication Side-by-Side

Filter issues like