JsonReader::getFileHandler() - Code Metrics - Inspection of "Merge pull request #549 from ndinh215/v2_support_i..." - ongr-io/ElasticsearchBundle - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 7769a7...8f7e2a )

by Simonas

created 2016-01-14 20:43 UTC

JsonReader::getFileHandler() A

↳ Parent: JsonReader

Complexity

Conditions	4
Paths	4

Size

Total Lines	19
Code Lines	11

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	1

Metric	Value
c	1
b	0
f	1
dl	0
loc	19
rs	9.2
cc	4
eloc	11
nc	4
nop	0

<?php

/*
 * This file is part of the ONGR package.
 *
 * (c) NFQ Technologies UAB <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace ONGR\ElasticsearchBundle\Service\Json;

use ONGR\ElasticsearchBundle\Service\Manager;
use Symfony\Component\OptionsResolver\OptionsResolver;

/**
 * Reads records one by one.
 */
class JsonReader implements \Countable, \Iterator
{
    /**
     * @var string
     */
    private $filename;

    /**
     * @var resource A file system pointer resource.
     */
    private $handle;

    /**
     * @var int
     */
    private $key = 0;

    /**
     * @var string
     */
    private $currentLine;

    /**
     * @var mixed
     */
    private $metadata;

    /**
     * @var Manager
     */
    private $manager;

    /**
     * @var OptionsResolver
     */
    private $optionsResolver;

    /**
     * @var array
     */
    private $options;

    /**
     * Constructor.
     *
     * @param Manager $manager
     * @param string  $filename
     * @param array   $options
     *
     */
    public function __construct($manager, $filename, $options)
    {
        $this->manager = $manager;
        $this->filename = $filename;
        $this->options = $options;
    }

    /**
     * Destructor. Closes file handler if open.
     */
    public function __destruct()
    {
        if ($this->handle !== null) {
            @fclose($this->handle);
// For example instead of
@mkdir($dir);

// Better use
if (@mkdir($dir) === false) {
    throw new \RuntimeException('The directory '.$dir.' could not be created.');
}
        }
    }

    /**
     * @return Manager
     */
    public function getManager()
    {
        return $this->manager;
    }

    /**
     * Returns file handler.
     *
     * @return resource
     *
     * @throws \LogicException
     */
    protected function getFileHandler()
    {
        if ($this->handle === null) {
            $isGzip = array_key_exists('gzip', $this->options);

            $filename = !$isGzip?
                $this->filename:
                sprintf('compress.zlib://%s', $this->filename);
            $fileHandler = @fopen($filename, 'r');

            if ($fileHandler === false) {
                throw new \LogicException('Can not open file.');
            }

            $this->handle = $fileHandler;
        }

        return $this->handle;
    }

    /**
     * Reads metadata from file.
     *
     * @throws \InvalidArgumentException
     */
    protected function readMetadata()
    {
        if ($this->metadata !== null) {
            return;
        }

        $line = fgets($this->getFileHandler());

        if (trim($line) !== '[') {
            throw new \InvalidArgumentException('Given file does not match expected pattern.');
        }

        $line = trim(fgets($this->getFileHandler()));
        $this->metadata = json_decode(rtrim($line, ','), true);
    }

    /**
     * Reads single line from file.
     */
    protected function readLine()
    {
        $buffer = '';

        while ($buffer === '') {
            $buffer = fgets($this->getFileHandler());

            if ($buffer === false) {
                $this->currentLine = null;

                return;
            }

            $buffer = trim($buffer);
        }

        if ($buffer === ']') {
            $this->currentLine = null;

            return;
        }

        $data = json_decode(rtrim($buffer, ','), true);
        $this->currentLine = $this->getOptionsResolver()->resolve($data);

    }

    /**
     * Configures OptionResolver for resolving document metadata fields.
     *
     * @param OptionsResolver $resolver
     */
    protected function configureResolver(OptionsResolver $resolver)
    {
        $resolver
            ->setRequired(['_id', '_type', '_source'])
            ->setDefaults(['_score' => null, 'fields' => []])
            ->addAllowedTypes('_id', ['integer', 'string'])
            ->addAllowedTypes('_type', 'string')
            ->addAllowedTypes('_source', 'array')
            ->addAllowedTypes('fields', 'array');
    }

    /**
     * Returns parsed current line.
     *
     * @return mixed
     */
    public function current()
    {
        if ($this->currentLine === null) {
            $this->readLine();
        }

        return $this->currentLine;
    }

    /**
     * {@inheritdoc}
     */
    public function next()
    {
        $this->readLine();

        $this->key++;
    }

    /**
     * {@inheritdoc}
     */
    public function key()
    {
        return $this->key;
    }

    /**
     * {@inheritdoc}
     */
    public function valid()
    {
        return !feof($this->getFileHandler()) && $this->currentLine;
    }

    /**
     * {@inheritdoc}
     */
    public function rewind()
    {
        rewind($this->getFileHandler());
        $this->metadata = null;
        $this->readMetadata();
        $this->readLine();
    }

    /**
     * {@inheritdoc}
     */
    public function count()
    {
        $metadata = $this->getMetadata();

        if (!isset($metadata['count'])) {
            throw new \LogicException('Given file does not contain count of documents.');
        }

        return $metadata['count'];
    }

    /**
     * Returns metadata.
     *
     * @return array|null
     */
    public function getMetadata()
    {
        $this->readMetadata();

        return $this->metadata;
    }

    /**
     * Returns configured options resolver instance.
     *
     * @return OptionsResolver
     */
    private function getOptionsResolver()
    {
        if (!$this->optionsResolver) {
            $this->optionsResolver = new OptionsResolver();
            $this->configureResolver($this->optionsResolver);
        }

        return $this->optionsResolver;
    }
}


1			<?php
2
3			/*
4			* This file is part of the ONGR package.
5			*
6			* (c) NFQ Technologies UAB <[email protected]>
7			*
8			* For the full copyright and license information, please view the LICENSE
9			* file that was distributed with this source code.
10			*/
11
12			namespace ONGR\ElasticsearchBundle\Service\Json;
13
14			use ONGR\ElasticsearchBundle\Service\Manager;
15			use Symfony\Component\OptionsResolver\OptionsResolver;
16
17			/**
18			* Reads records one by one.
19			*/
20			class JsonReader implements \Countable, \Iterator
21			{
22			/**
23			* @var string
24			*/
25			private $filename;
26
27			/**
28			* @var resource A file system pointer resource.
29			*/
30			private $handle;
31
32			/**
33			* @var int
34			*/
35			private $key = 0;
36
37			/**
38			* @var string
39			*/
40			private $currentLine;
41
42			/**
43			* @var mixed
44			*/
45			private $metadata;
46
47			/**
48			* @var Manager
49			*/
50			private $manager;
51
52			/**
53			* @var OptionsResolver
54			*/
55			private $optionsResolver;
56
57			/**
58			* @var array
59			*/
60			private $options;
61
62			/**
63			* Constructor.
64			*
65			* @param Manager $manager
66			* @param string $filename
67			* @param array $options
68			*
69			*/
70			public function __construct($manager, $filename, $options)
71			{
72			$this->manager = $manager;
73			$this->filename = $filename;
74			$this->options = $options;
75			}
76
77			/**
78			* Destructor. Closes file handler if open.
79			*/
80			public function __destruct()
81			{
82			if ($this->handle !== null) {
83			@fclose($this->handle);
			0 ignored issues – show Security Best Practice introduced 2015-11-23 09:47 UTC by Report Bug Copy Issue Report It seems like you do not handle an error condition here. This can introduce security issues, and is generally not recommended. If you suppress an error, we recommend checking for the error condition explicitly: // For example instead of @mkdir($dir); // Better use if (@mkdir($dir) === false) { throw new \RuntimeException('The directory '.$dir.' could not be created.'); } Loading history...
84			}
85			}
86
87			/**
88			* @return Manager
89			*/
90			public function getManager()
91			{
92			return $this->manager;
93			}
94
95			/**
96			* Returns file handler.
97			*
98			* @return resource
99			*
100			* @throws \LogicException
101			*/
102			protected function getFileHandler()
103			{
104			if ($this->handle === null) {
105			$isGzip = array_key_exists('gzip', $this->options);
106
107			$filename = !$isGzip?
108			$this->filename:
109			sprintf('compress.zlib://%s', $this->filename);
110			$fileHandler = @fopen($filename, 'r');
111
112			if ($fileHandler === false) {
113			throw new \LogicException('Can not open file.');
114			}
115
116			$this->handle = $fileHandler;
117			}
118
119			return $this->handle;
120			}
121
122			/**
123			* Reads metadata from file.
124			*
125			* @throws \InvalidArgumentException
126			*/
127			protected function readMetadata()
128			{
129			if ($this->metadata !== null) {
130			return;
131			}
132
133			$line = fgets($this->getFileHandler());
134
135			if (trim($line) !== '[') {
136			throw new \InvalidArgumentException('Given file does not match expected pattern.');
137			}
138
139			$line = trim(fgets($this->getFileHandler()));
140			$this->metadata = json_decode(rtrim($line, ','), true);
141			}
142
143			/**
144			* Reads single line from file.
145			*/
146			protected function readLine()
147			{
148			$buffer = '';
149
150			while ($buffer === '') {
151			$buffer = fgets($this->getFileHandler());
152
153			if ($buffer === false) {
154			$this->currentLine = null;
155
156			return;
157			}
158
159			$buffer = trim($buffer);
160			}
161
162			if ($buffer === ']') {
163			$this->currentLine = null;
164
165			return;
166			}
167
168			$data = json_decode(rtrim($buffer, ','), true);
169			$this->currentLine = $this->getOptionsResolver()->resolve($data);
			0 ignored issues – show Documentation Bug introduced 2016-01-13 07:58 UTC by Report Bug Copy Issue Report It seems like `$this->getOptionsResolver()->resolve($data)` of type `array` is incompatible with the declared type `string` of property `$currentLine`. Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property. Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property.. Loading history...
170			}
171
172			/**
173			* Configures OptionResolver for resolving document metadata fields.
174			*
175			* @param OptionsResolver $resolver
176			*/
177			protected function configureResolver(OptionsResolver $resolver)
178			{
179			$resolver
180			->setRequired(['_id', '_type', '_source'])
181			->setDefaults(['_score' => null, 'fields' => []])
182			->addAllowedTypes('_id', ['integer', 'string'])
183			->addAllowedTypes('_type', 'string')
184			->addAllowedTypes('_source', 'array')
185			->addAllowedTypes('fields', 'array');
186			}
187
188			/**
189			* Returns parsed current line.
190			*
191			* @return mixed
192			*/
193			public function current()
194			{
195			if ($this->currentLine === null) {
196			$this->readLine();
197			}
198
199			return $this->currentLine;
200			}
201
202			/**
203			* {@inheritdoc}
204			*/
205			public function next()
206			{
207			$this->readLine();
208
209			$this->key++;
210			}
211
212			/**
213			* {@inheritdoc}
214			*/
215			public function key()
216			{
217			return $this->key;
218			}
219
220			/**
221			* {@inheritdoc}
222			*/
223			public function valid()
224			{
225			return !feof($this->getFileHandler()) && $this->currentLine;
226			}
227
228			/**
229			* {@inheritdoc}
230			*/
231			public function rewind()
232			{
233			rewind($this->getFileHandler());
234			$this->metadata = null;
235			$this->readMetadata();
236			$this->readLine();
237			}
238
239			/**
240			* {@inheritdoc}
241			*/
242			public function count()
243			{
244			$metadata = $this->getMetadata();
245
246			if (!isset($metadata['count'])) {
247			throw new \LogicException('Given file does not contain count of documents.');
248			}
249
250			return $metadata['count'];
251			}
252
253			/**
254			* Returns metadata.
255			*
256			* @return array\|null
257			*/
258			public function getMetadata()
259			{
260			$this->readMetadata();
261
262			return $this->metadata;
263			}
264
265			/**
266			* Returns configured options resolver instance.
267			*
268			* @return OptionsResolver
269			*/
270			private function getOptionsResolver()
271			{
272			if (!$this->optionsResolver) {
273			$this->optionsResolver = new OptionsResolver();
274			$this->configureResolver($this->optionsResolver);
275			}
276
277			return $this->optionsResolver;
278			}
279			}
280

ongr-io / ElasticsearchBundle

Push — master ( 7769a7...8f7e2a )

JsonReader::getFileHandler() A

Complexity

Size

Duplication

Importance

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