File::convertErrors() - Code Metrics - Inspection of "Moved error-to-exception handler to external depen..." - needle-project/fileio - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( 3764eb...eb004c )

by Adrian Florin

created 2017-02-06 11:59 UTC

File::convertErrors() A

↳ Parent: File

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	2

Importance

Changes

Metric	Value
dl	0
loc	4
ccs	0
cts	4
cp	0
rs	10
c	0
b	0
f	0
cc	1
eloc	2
nc	1
nop	0
crap	2

<?php
/**
 * This file is part of the NeedleProject\FileIo package.
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace NeedleProject\FileIo;

use NeedleProject\FileIo\Content\ContentInterface;
use NeedleProject\FileIo\Exception\FileNotFoundException;
use NeedleProject\FileIo\Exception\IOException;
use NeedleProject\FileIo\Exception\PermissionDeniedException;
use NeedleProject\FileIo\Factory\ContentFactory;
use NeedleProject\FileIo\Helper\PathHelper;
use NeedleProject\Common\Util\ErrorToExceptionConverter;

/**
 * Class File
 *
 * @package NeedleProject\FileIo
 * @author Adrian Tilita <[email protected]>
 * @copyright 2017 Adrian Tilita
 * @license https://opensource.org/licenses/MIT MIT Licence
 */
class File
{
    /**
     * File extension separator
     * @const string
     */
    const EXTENSION_SEPARATOR = '.';

    /**
     * File's name including the path
     * @var null|string
     */
    private $filenameWithPath = null;

    /**
     * File's extension - For no extension a blank string will be used
     * @var null|string
     */
    private $extension = null;

    /**
     * File's name without extension
     * @var null|string
     */
    private $name = null;

    /**
     * Whether the file has an extension or if it is set by us
     * @var bool
     */
    private $hasExtension = false;

    /**
     * @var null|ContentFactory
     */
    private $contentFactory = null;

    /**
     * @var null|ErrorToExceptionConverter
     */
    private $errorHandler = null;

    /**
     * File constructor.
     *
     * @param string $filenameWithPath
     */
    public function __construct(string $filenameWithPath)
    {
        $pathHelper = new PathHelper();
        $this->filenameWithPath = $pathHelper->normalizePathSeparator($filenameWithPath);
        $filename = $pathHelper->extractFilenameFromPath($this->filenameWithPath);
        if (empty($filename) || false === $this->validatePath($this->filenameWithPath)) {
            throw new \RuntimeException(
                sprintf('Given path %s does not represents a file!', $filenameWithPath)
            );
        }
        list($this->name, $this->extension) = $pathHelper->splitFilename($filename);
        $this->hasExtension = (bool)$this->extension;
        $this->errorHandler = new ErrorToExceptionConverter();
    }

    /**
     * States whether the file actually exists on disk
     * @return bool
     */
    public function exists(): bool

    {
        return file_exists($this->filenameWithPath);
    }

    /**
     * States whether the file is readable
     * @return bool
     */
    public function isReadable(): bool
    {
        return is_readable($this->filenameWithPath);
    }

    /**
     * @return bool
     */
    public function isWritable(): bool
    {
        if ($this->exists()) {
            return is_writable($this->filenameWithPath);
        }
        $parts = explode(DIRECTORY_SEPARATOR, $this->filenameWithPath);
        array_pop($parts);
        return is_writable(implode(DIRECTORY_SEPARATOR, $parts));
    }

    /**
     * Write content to the current file
     *
     * @param \NeedleProject\FileIo\Content\ContentInterface $content
     * @return \NeedleProject\FileIo\File
     * @throws \NeedleProject\FileIo\Exception\PermissionDeniedException
     */
    public function write(ContentInterface $content): File
    {
        if ($this->isWritable() === false) {
            throw new PermissionDeniedException("The current file is not writable!");
        }
        file_put_contents($this->filenameWithPath, $content->get());
        return $this;
    }

    /**
     * @return \NeedleProject\FileIo\Content\ContentInterface
     * @throws \NeedleProject\FileIo\Exception\FileNotFoundException
     * @throws \NeedleProject\FileIo\Exception\IOException
     * @throws \NeedleProject\FileIo\Exception\PermissionDeniedException
     */
    public function getContent(): ContentInterface
    {
        if ($this->exists() === false) {
            throw new FileNotFoundException(sprintf("%s does not exists!", $this->filenameWithPath));
        }
        if ($this->isReadable() === false) {
            throw new PermissionDeniedException(
                sprintf("You do not have permissions to read file %s!", $this->filenameWithPath)
            );
        }
        $this->convertErrors();
        $stringContent = file_get_contents($this->filenameWithPath);
        $this->resetErrorHandler();
        if (false === $stringContent) {
            throw new IOException(
                sprintf("Could not retrieve content! Error message: %s", error_get_last()['message'])
            );
        }
        return $this->getContentFactory()
            ->create($this->extension, $stringContent);
    }

    /**
     * Deletes the current file
     * @return bool
     * @throws \NeedleProject\FileIo\Exception\IOException
     */
    public function delete(): bool

    {
        if ($this->exists() === false) {
            return false;
        }
        $this->convertErrors();
        $unlinkResult = unlink($this->filenameWithPath);
        $this->resetErrorHandler();
        return $unlinkResult;
    }

    /**
     * State existence of a file's extension
     * @return bool
     */
    public function hasExtension(): bool
    {
        return $this->hasExtension;
    }

    /**
     * Get file's extension
     * @return string
     */
    public function getExtension(): string
    {
        return $this->extension;
    }

    /**
     * Get file's name without extension
     * @return string
     */
    public function getName(): string
    {
        return $this->name;
    }

    /**
     * Get file's name with extension
     * @return string
     */
    public function getBasename(): string
    {
        if (false === $this->hasExtension()) {
            return $this->name;
        }
        return $this->name . static::EXTENSION_SEPARATOR . $this->extension;
    }

    /**
     * Returns a factory responsible for creating appropriate content
     * @return \NeedleProject\FileIo\Factory\ContentFactory
     */
    protected function getContentFactory(): ContentFactory
    {
        if (is_null($this->contentFactory)) {
            $this->contentFactory = new ContentFactory();
        }
        return $this->contentFactory;
    }

    /**
     * Validate if the given path is not a directory
     * @param string $filenameWithPath
     * @return bool
     */
    private function validatePath(string $filenameWithPath): bool

    {
        return !($this->exists() && is_dir($filenameWithPath));
    }

    /**
     * Convert errors to Exception type objects
     */
    protected function convertErrors()
    {
        $this->errorHandler->convertErrorsToExceptions(E_ALL, IOException::class);
    }

    /**
     * Undo error to exception conversion
     */
    protected function resetErrorHandler()
    {
        $this->errorHandler->restoreErrorHandler();
    }
}


1			<?php
2			/**
3			* This file is part of the NeedleProject\FileIo package.
4			*
5			* For the full copyright and license information, please view the LICENSE
6			* file that was distributed with this source code.
7			*/
8			namespace NeedleProject\FileIo;
9
10			use NeedleProject\FileIo\Content\ContentInterface;
11			use NeedleProject\FileIo\Exception\FileNotFoundException;
12			use NeedleProject\FileIo\Exception\IOException;
13			use NeedleProject\FileIo\Exception\PermissionDeniedException;
14			use NeedleProject\FileIo\Factory\ContentFactory;
15			use NeedleProject\FileIo\Helper\PathHelper;
16			use NeedleProject\Common\Util\ErrorToExceptionConverter;
17
18			/**
19			* Class File
20			*
21			* @package NeedleProject\FileIo
22			* @author Adrian Tilita <[email protected]>
23			* @copyright 2017 Adrian Tilita
24			* @license https://opensource.org/licenses/MIT MIT Licence
25			*/
26			class File
27			{
28			/**
29			* File extension separator
30			* @const string
31			*/
32			const EXTENSION_SEPARATOR = '.';
33
34			/**
35			* File's name including the path
36			* @var null\|string
37			*/
38			private $filenameWithPath = null;
39
40			/**
41			* File's extension - For no extension a blank string will be used
42			* @var null\|string
43			*/
44			private $extension = null;
45
46			/**
47			* File's name without extension
48			* @var null\|string
49			*/
50			private $name = null;
51
52			/**
53			* Whether the file has an extension or if it is set by us
54			* @var bool
55			*/
56			private $hasExtension = false;
57
58			/**
59			* @var null\|ContentFactory
60			*/
61			private $contentFactory = null;
62
63			/**
64			* @var null\|ErrorToExceptionConverter
65			*/
66			private $errorHandler = null;
67
68			/**
69			* File constructor.
70			*
71			* @param string $filenameWithPath
72			*/
73			public function __construct(string $filenameWithPath)
74			{
75			$pathHelper = new PathHelper();
76			$this->filenameWithPath = $pathHelper->normalizePathSeparator($filenameWithPath);
77			$filename = $pathHelper->extractFilenameFromPath($this->filenameWithPath);
78			if (empty($filename) \|\| false === $this->validatePath($this->filenameWithPath)) {
79			throw new \RuntimeException(
80			sprintf('Given path %s does not represents a file!', $filenameWithPath)
81			);
82			}
83			list($this->name, $this->extension) = $pathHelper->splitFilename($filename);
84			$this->hasExtension = (bool)$this->extension;
85			$this->errorHandler = new ErrorToExceptionConverter();
86			}
87
88			/**
89			* States whether the file actually exists on disk
90			* @return bool
91			*/
92			public function exists(): bool
			0 ignored issues – show Coding Style introduced 2017-01-04 15:42 UTC by Report Bug Copy Issue Report `function exists()` does not seem to conform to the naming convention (`^(?:is\|has\|should\|may\|supports)`). This check examines a number of code elements and verifies that they conform to the given naming conventions. You can set conventions for local variables, abstract classes, utility classes, constant, properties, methods, parameters, interfaces, classes, exceptions and special methods. Loading history...
93			{
94			return file_exists($this->filenameWithPath);
95			}
96
97			/**
98			* States whether the file is readable
99			* @return bool
100			*/
101			public function isReadable(): bool
102			{
103			return is_readable($this->filenameWithPath);
104			}
105
106			/**
107			* @return bool
108			*/
109			public function isWritable(): bool
110			{
111			if ($this->exists()) {
112			return is_writable($this->filenameWithPath);
113			}
114			$parts = explode(DIRECTORY_SEPARATOR, $this->filenameWithPath);
115			array_pop($parts);
116			return is_writable(implode(DIRECTORY_SEPARATOR, $parts));
117			}
118
119			/**
120			* Write content to the current file
121			*
122			* @param \NeedleProject\FileIo\Content\ContentInterface $content
123			* @return \NeedleProject\FileIo\File
124			* @throws \NeedleProject\FileIo\Exception\PermissionDeniedException
125			*/
126			public function write(ContentInterface $content): File
127			{
128			if ($this->isWritable() === false) {
129			throw new PermissionDeniedException("The current file is not writable!");
130			}
131			file_put_contents($this->filenameWithPath, $content->get());
132			return $this;
133			}
134
135			/**
136			* @return \NeedleProject\FileIo\Content\ContentInterface
137			* @throws \NeedleProject\FileIo\Exception\FileNotFoundException
138			* @throws \NeedleProject\FileIo\Exception\IOException
139			* @throws \NeedleProject\FileIo\Exception\PermissionDeniedException
140			*/
141			public function getContent(): ContentInterface
142			{
143			if ($this->exists() === false) {
144			throw new FileNotFoundException(sprintf("%s does not exists!", $this->filenameWithPath));
145			}
146			if ($this->isReadable() === false) {
147			throw new PermissionDeniedException(
148			sprintf("You do not have permissions to read file %s!", $this->filenameWithPath)
149			);
150			}
151			$this->convertErrors();
152			$stringContent = file_get_contents($this->filenameWithPath);
153			$this->resetErrorHandler();
154			if (false === $stringContent) {
155			throw new IOException(
156			sprintf("Could not retrieve content! Error message: %s", error_get_last()['message'])
157			);
158			}
159			return $this->getContentFactory()
160			->create($this->extension, $stringContent);
161			}
162
163			/**
164			* Deletes the current file
165			* @return bool
166			* @throws \NeedleProject\FileIo\Exception\IOException
167			*/
168			public function delete(): bool
			0 ignored issues – show Coding Style introduced 2017-01-04 15:42 UTC by Report Bug Copy Issue Report `function delete()` does not seem to conform to the naming convention (`^(?:is\|has\|should\|may\|supports)`). This check examines a number of code elements and verifies that they conform to the given naming conventions. You can set conventions for local variables, abstract classes, utility classes, constant, properties, methods, parameters, interfaces, classes, exceptions and special methods. Loading history...
169			{
170			if ($this->exists() === false) {
171			return false;
172			}
173			$this->convertErrors();
174			$unlinkResult = unlink($this->filenameWithPath);
175			$this->resetErrorHandler();
176			return $unlinkResult;
177			}
178
179			/**
180			* State existence of a file's extension
181			* @return bool
182			*/
183			public function hasExtension(): bool
184			{
185			return $this->hasExtension;
186			}
187
188			/**
189			* Get file's extension
190			* @return string
191			*/
192			public function getExtension(): string
193			{
194			return $this->extension;
195			}
196
197			/**
198			* Get file's name without extension
199			* @return string
200			*/
201			public function getName(): string
202			{
203			return $this->name;
204			}
205
206			/**
207			* Get file's name with extension
208			* @return string
209			*/
210			public function getBasename(): string
211			{
212			if (false === $this->hasExtension()) {
213			return $this->name;
214			}
215			return $this->name . static::EXTENSION_SEPARATOR . $this->extension;
216			}
217
218			/**
219			* Returns a factory responsible for creating appropriate content
220			* @return \NeedleProject\FileIo\Factory\ContentFactory
221			*/
222			protected function getContentFactory(): ContentFactory
223			{
224			if (is_null($this->contentFactory)) {
225			$this->contentFactory = new ContentFactory();
226			}
227			return $this->contentFactory;
228			}
229
230			/**
231			* Validate if the given path is not a directory
232			* @param string $filenameWithPath
233			* @return bool
234			*/
235			private function validatePath(string $filenameWithPath): bool
			0 ignored issues – show Coding Style introduced 2017-01-23 09:56 UTC by Report Bug Copy Issue Report `function validatePath()` does not seem to conform to the naming convention (`^(?:is\|has\|should\|may\|supports)`). This check examines a number of code elements and verifies that they conform to the given naming conventions. You can set conventions for local variables, abstract classes, utility classes, constant, properties, methods, parameters, interfaces, classes, exceptions and special methods. Loading history...
236			{
237			return !($this->exists() && is_dir($filenameWithPath));
238			}
239
240			/**
241			* Convert errors to Exception type objects
242			*/
243			protected function convertErrors()
244			{
245			$this->errorHandler->convertErrorsToExceptions(E_ALL, IOException::class);
246			}
247
248			/**
249			* Undo error to exception conversion
250			*/
251			protected function resetErrorHandler()
252			{
253			$this->errorHandler->restoreErrorHandler();
254			}
255			}
256

needle-project / fileio

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File::convertErrors() A

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