PropertyParser::createInstanceOfTypeFromValue() - Code Metrics - Inspection of "Modified note in README" - mcustiel/php-simple-request - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 653e9c...250e23 )

by Mariano

created 2016-02-23 20:41 UTC

PropertyParser::createInstanceOfTypeFromValue() A

↳ Parent: PropertyParser

Complexity

Conditions	3
Paths	3

Size

Total Lines	12
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	4.125

Importance

Changes	2
Bugs	1	Features	1

Metric	Value
c	2
b	1
f	1
dl	0
loc	12
ccs	4
cts	8
cp	0.5
rs	9.4285
cc	3
eloc	7
nc	3
nop	1
crap	4.125

<?php
/**
 * This file is part of php-simple-request.
 *
 * php-simple-request is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * php-simple-request is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with php-simple-request.  If not, see <http://www.gnu.org/licenses/>.
 */
namespace Mcustiel\SimpleRequest;

use Mcustiel\SimpleRequest\Interfaces\ValidatorInterface;
use Mcustiel\SimpleRequest\Interfaces\FilterInterface;
use Mcustiel\SimpleRequest\Exception\InvalidValueException;
use Mcustiel\SimpleRequest\Exception\InvalidAnnotationException;

/**
 * Utility class used to parse the value of a property.
 * It contains all filters and validators specified for the aforementioned property.
 *
 * @author mcustiel
 */
class PropertyParser
{
    /**
     *
     * @var \Mcustiel\SimpleRequest\Interfaces\ValidatorInterface[]
     */
    private $validators;
    /**
     *
     * @var \Mcustiel\SimpleRequest\Interfaces\FilterInterface[]
     */
    private $filters;
    /**
     *
     * @var string
     */
    private $name;
    /**
     *
     * @var string
     */
    private $type;
    /**
     *
     * @var RequestBuilder
     */
    private $requestBuilder;

    /**
     * Class constructor. Initialized with the property name.
     *
     * @param string $name
     */
    public function __construct($name, RequestBuilder $requestBuilder)
    {
        $this->validators = [];
        $this->filters = [];
        $this->type = null;
        $this->name = $name;
        $this->requestBuilder = $requestBuilder;
    }

    /**
     * Adds a validator to the parser.
     *
     * @param \Mcustiel\SimpleRequest\Interfaces\ValidatorInterface $validator
     */
    public function addValidator(ValidatorInterface $validator)
    {
        $this->validators[] = $validator;
    }

    /**
     * Adds a filter to the parser.
     *
     * @param \Mcustiel\SimpleRequest\Interfaces\FilterInterface $filter
     */
    public function addFilter(FilterInterface $filter)
    {
        $this->filters[] = $filter;
    }

    /**
     * Returns the name of the property.
     *
     * @return string
     */
    public function getName()
    {
        return $this->name;
    }

    /**
     *
     * @param string $type
     */
    public function setType($type)
    {
        $this->type = $type;
        return $this;
    }

    /**
     * Filters and validates a value. And return the filtered value.
     * It throws an exception if the value is not valid.
     *
     * @param mixed $value
     * @return mixed
     *
     * @throws \Mcustiel\SimpleRequest\Exception\InvalidValueException
     */
    public function parse($value)
    {
        $return = $this->cloneValue($value);
        if ($this->type !== null) {
            $return = $this->createInstanceOfTypeFromValue($return);
        }
        $return = $this->runFilters($return);
        $this->validate($return);

        return $return;
    }

    private function cloneValue($value)
    {
        if (is_object($value)) {
            return clone $value;
        }
        return $value;
    }

    /**
     * Checks the value against all validators.
     *
     * @param mixed $value
     *
     * @throws \Mcustiel\SimpleRequest\Exception\InvalidValueException
     */
    private function validate($value)
    {
        foreach ($this->validators as $validator) {
            if (!$validator->validate($value)) {
                throw new InvalidValueException(
                    "Field {$this->name}, was set with invalid value: " . var_export($value, true)
                );
            }
        }
    }

    /**
     * Run all the filters on the value.
     *
     * @param mixed $value
     *
     * @return mixed
     */
    private function runFilters($value)
    {
        $return = $value;
        if ($return !== null) {
            foreach ($this->filters as $filter) {
                $return = $filter->filter($return);
            }
        }

        return $return;
    }

    /**
     * Parses the value as it is an instance of the class specified in type property.
     *
     * @param array|\stdClass $value The value to parse and convert to an object
     *
     * @throws \Mcustiel\SimpleRequest\Exception\InvalidAnnotationException
     * @return object Parsed value as instance of class specified in type property
     */
    private function createInstanceOfTypeFromValue($value)
    {
        if ($value === null) {
            return null;
        }
        if (class_exists($this->type)) {
            return $this->requestBuilder->parseRequest($value, $this->type);
        }
        throw new InvalidAnnotationException(
            "Class {$this->type} does not exist. Annotated in property {$this->name}."
        );
    }
}


1		<?php
2		/**
3		* This file is part of php-simple-request.
4		*
5		* php-simple-request is free software: you can redistribute it and/or modify
6		* it under the terms of the GNU Lesser General Public License as published by
7		* the Free Software Foundation, either version 3 of the License, or
8		* (at your option) any later version.
9		*
10		* php-simple-request is distributed in the hope that it will be useful,
11		* but WITHOUT ANY WARRANTY; without even the implied warranty of
12		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13		* GNU General Public License for more details.
14		*
15		* You should have received a copy of the GNU General Public License
16		* along with php-simple-request. If not, see <http://www.gnu.org/licenses/>.
17		*/
18		namespace Mcustiel\SimpleRequest;
19
20		use Mcustiel\SimpleRequest\Interfaces\ValidatorInterface;
21		use Mcustiel\SimpleRequest\Interfaces\FilterInterface;
22		use Mcustiel\SimpleRequest\Exception\InvalidValueException;
23		use Mcustiel\SimpleRequest\Exception\InvalidAnnotationException;
24
25		/**
26		* Utility class used to parse the value of a property.
27		* It contains all filters and validators specified for the aforementioned property.
28		*
29		* @author mcustiel
30		*/
31		class PropertyParser
32		{
33		/**
34		*
35		* @var \Mcustiel\SimpleRequest\Interfaces\ValidatorInterface[]
36		*/
37		private $validators;
38		/**
39		*
40		* @var \Mcustiel\SimpleRequest\Interfaces\FilterInterface[]
41		*/
42		private $filters;
43		/**
44		*
45		* @var string
46		*/
47		private $name;
48		/**
49		*
50		* @var string
51		*/
52		private $type;
53		/**
54		*
55		* @var RequestBuilder
56		*/
57		private $requestBuilder;
58
59		/**
60		* Class constructor. Initialized with the property name.
61		*
62		* @param string $name
63		*/
64	86	public function __construct($name, RequestBuilder $requestBuilder)
65		{
66	86	$this->validators = [];
67	86	$this->filters = [];
68	86	$this->type = null;
69	86	$this->name = $name;
70	86	$this->requestBuilder = $requestBuilder;
71	86	}
72
73		/**
74		* Adds a validator to the parser.
75		*
76		* @param \Mcustiel\SimpleRequest\Interfaces\ValidatorInterface $validator
77		*/
78	85	public function addValidator(ValidatorInterface $validator)
79		{
80	85	$this->validators[] = $validator;
81	85	}
82
83		/**
84		* Adds a filter to the parser.
85		*
86		* @param \Mcustiel\SimpleRequest\Interfaces\FilterInterface $filter
87		*/
88	12	public function addFilter(FilterInterface $filter)
89		{
90	12	$this->filters[] = $filter;
91	12	}
92
93		/**
94		* Returns the name of the property.
95		*
96		* @return string
97		*/
98	88	public function getName()
99		{
100	88	return $this->name;
101		}
102
103		/**
104		*
105		* @param string $type
106		*/
107	2	public function setType($type)
108		{
109	2	$this->type = $type;
110	2	return $this;
111		}
112
113		/**
114		* Filters and validates a value. And return the filtered value.
115		* It throws an exception if the value is not valid.
116		*
117		* @param mixed $value
118		* @return mixed
119		*
120		* @throws \Mcustiel\SimpleRequest\Exception\InvalidValueException
121		*/
122	88	public function parse($value)
123		{
124	88	$return = $this->cloneValue($value);
125	88	if ($this->type !== null) {
126	2	$return = $this->createInstanceOfTypeFromValue($return);
127	2	}
128	88	$return = $this->runFilters($return);
129	88	$this->validate($return);
130
131	88	return $return;
132		}
133
134	88	private function cloneValue($value)
135		{
136	88	if (is_object($value)) {
137	74	return clone $value;
138		}
139	88	return $value;
140		}
141
142		/**
143		* Checks the value against all validators.
144		*
145		* @param mixed $value
146		*
147		* @throws \Mcustiel\SimpleRequest\Exception\InvalidValueException
148		*/
149	88	private function validate($value)
150		{
151	88	foreach ($this->validators as $validator) {
152	87	if (!$validator->validate($value)) {
153	56	throw new InvalidValueException(
154	56	"Field {$this->name}, was set with invalid value: " . var_export($value, true)
155	56	);
156		}
157	88	}
158	88	}
159
160		/**
161		* Run all the filters on the value.
162		*
163		* @param mixed $value
164		*
165		* @return mixed
166		*/
167	88	private function runFilters($value)
168		{
169	88	$return = $value;
170	88	if ($return !== null) {
171	88	foreach ($this->filters as $filter) {
172	13	$return = $filter->filter($return);
173	88	}
174	88	}
175
176	88	return $return;
177		}
178
179		/**
180		* Parses the value as it is an instance of the class specified in type property.
181		*
182		* @param array\|\stdClass $value The value to parse and convert to an object
183		*
184		* @throws \Mcustiel\SimpleRequest\Exception\InvalidAnnotationException
185		* @return object Parsed value as instance of class specified in type property
186		*/
187	2	private function createInstanceOfTypeFromValue($value)
188		{
189	2	if ($value === null) {
190		return null;
191		}
192	2	if (class_exists($this->type)) {
193	2	return $this->requestBuilder->parseRequest($value, $this->type);
194		}
195		throw new InvalidAnnotationException(
196		"Class {$this->type} does not exist. Annotated in property {$this->name}."
197		);
198		}
199		}
200

mcustiel / php-simple-request

Push — master ( 653e9c...250e23 )

PropertyParser::createInstanceOfTypeFromValue() A

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