Logger::initExceptionData() - Code Metrics - Inspection of "Very simple "dependency injection" for Message ins..." - bzikarsky/gelf-php - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#65)

by Danny

created 2016-06-29 21:17 UTC

Logger::initExceptionData() A

↳ Parent: Logger

Complexity

Conditions	3
Paths	1

Size

Total Lines	21
Code Lines	14

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	15
CRAP Score	3

Importance

Changes	2
Bugs	1	Features	1

Metric	Value
c	2
b	1
f	1
dl	0
loc	21
ccs	15
cts	15
cp	1
rs	9.3142
cc	3
eloc	14
nc	1
nop	2
crap	3

<?php

/*
 * This file is part of the php-gelf package.
 *
 * (c) Benjamin Zikarsky <http://benjamin-zikarsky.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Gelf;

use Gelf\Transport\UdpTransport;
use Psr\Log\LoggerInterface;
use Psr\Log\AbstractLogger;
use Exception;

/**
 * A basic PSR-3 compliant logger
 *
 * @author Benjamin Zikarsky <[email protected]>
 */
class Logger extends AbstractLogger implements LoggerInterface
{
    /**
     * @var string|null
     */
    protected $facility;

    /**
     * @var PublisherInterface
     */
    protected $publisher;

    /**
     * Creates a PSR-3 Logger for GELF/Graylog2
     *
     * @param PublisherInterface|null $publisher
     * @param string|null             $facility
     */
    public function __construct(
        PublisherInterface $publisher = null,
        $facility = null
    ) {
        // if no publisher is provided build a "default" publisher
        // which is logging via Gelf over UDP to localhost on the default port
        $this->publisher = $publisher ?: new Publisher(new UdpTransport());

        $this->setFacility($facility);
    }

    /**
     * Publishes a given message and context with given level
     *
     * @param mixed $level
     * @param mixed $rawMessage
     * @param array $context
     */
    public function log($level, $rawMessage, array $context = array())
    {
        $message = $this->initMessage($level, $rawMessage, $context);

        // add exception data if present
        if (isset($context['exception'])
           && $context['exception'] instanceof Exception
        ) {
            $this->initExceptionData($message, $context['exception']);
        }

        $this->publisher->publish($message);
    }

    /**
     * Returns the currently used publisher
     *
     * @return PublisherInterface
     */
    public function getPublisher()
    {
        return $this->publisher;
    }

    /**
     * Sets a new publisher
     *
     * @param PublisherInterface $publisher
     */
    public function setPublisher(PublisherInterface $publisher)
    {
        $this->publisher = $publisher;
    }

    /**
     * Returns the faciilty-name used in GELF
     *
     * @return string|null
     */
    public function getFacility()
    {
        return $this->facility;
    }

    /**
     * Sets the facility for GELF messages
     *
     * @param string|null $facility
     */
    public function setFacility($facility = null)
    {
        $this->facility = $facility;
    }

    /**
     * Override this function to inject a different
     * \Gelf\Message instance into the logger
     *
     * @return Message
     */
    protected function createMessage()
    {
        return new Message();
    }

    /**
     * Initializes message-object
     *
     * @param  mixed   $level
     * @param  mixed   $message
     * @param  array   $context
     * @return Message
     */
    protected function initMessage($level, $message, array $context)
    {
        // assert that message is a string, and interpolate placeholders
        $message = (string) $message;
        $context = $this->initContext($context);
        $message = self::interpolate($message, $context);

        // create message object
        $messageObj = $this->createMessage();
        $messageObj->setLevel($level);
        $messageObj->setShortMessage($message);
        $messageObj->setFacility($this->facility);

        foreach ($context as $key => $value) {
            $messageObj->setAdditional($key, $value);
        }

        return $messageObj;
    }

    /**
     * Initializes context array, ensuring all values are string-safe
     *
     * @param array $context
     * @return array
     */
    protected function initContext($context)
    {
        foreach ($context as $key => &$value) {
            switch (gettype($value)) {
                case 'string':
                case 'integer':
                case 'double':
                    // These types require no conversion
                    break;
                case 'array':
                case 'boolean':
                    $value = json_encode($value);
                    break;
                case 'object':
                    if (method_exists($value, '__toString')) {
                        $value = (string)$value;
                    } else {
                        $value = '[object (' . get_class($value) . ')]';
                    }
                    break;
                case 'NULL':
                    $value = 'NULL';
                    break;
                default:
                    $value = '[' . gettype($value) . ']';
                    break;
            }
        }

        return $context;
    }

    /**
     * Initializes Exceptiondata with given message
     *
     * @param Message   $message
     * @param Exception $exception
     */
    protected function initExceptionData(Message $message, Exception $exception)
    {
        $message->setLine($exception->getLine());
        $message->setFile($exception->getFile());

        $longText = "";

        do {
            $longText .= sprintf(
                "%s: %s (%d)\n\n%s\n",
                get_class($exception),
                $exception->getMessage(),
                $exception->getCode(),
                $exception->getTraceAsString()
            );

            $exception = $exception->getPrevious();
        } while ($exception && $longText .= "\n--\n\n");

        $message->setFullMessage($longText);
    }

    /**
     * Interpolates context values into the message placeholders.
     *
     * Reference implementation
     * @link https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-3-logger-interface.md#12-message
     *
     * @param mixed $message
     * @param array $context
     * @return string
     */
    private static function interpolate($message, array $context)
    {
        // build a replacement array with braces around the context keys
        $replace = array();
        foreach ($context as $key => $val) {
            $replace['{' . $key . '}'] = $val;
        }

        // interpolate replacement values into the message and return
        return strtr($message, $replace);
    }
}


1		<?php
2
3		/*
4		* This file is part of the php-gelf package.
5		*
6		* (c) Benjamin Zikarsky <http://benjamin-zikarsky.de>
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 Gelf;
13
14		use Gelf\Transport\UdpTransport;
15		use Psr\Log\LoggerInterface;
16		use Psr\Log\AbstractLogger;
17		use Exception;
18
19		/**
20		* A basic PSR-3 compliant logger
21		*
22		* @author Benjamin Zikarsky <[email protected]>
23		*/
24		class Logger extends AbstractLogger implements LoggerInterface
25		{
26		/**
27		* @var string\|null
28		*/
29		protected $facility;
30
31		/**
32		* @var PublisherInterface
33		*/
34		protected $publisher;
35
36		/**
37		* Creates a PSR-3 Logger for GELF/Graylog2
38		*
39		* @param PublisherInterface\|null $publisher
40		* @param string\|null $facility
41		*/
42	17	public function __construct(
43		PublisherInterface $publisher = null,
44		$facility = null
45		) {
46		// if no publisher is provided build a "default" publisher
47		// which is logging via Gelf over UDP to localhost on the default port
48	17	$this->publisher = $publisher ?: new Publisher(new UdpTransport());
49
50	17	$this->setFacility($facility);
51	17	}
52
53		/**
54		* Publishes a given message and context with given level
55		*
56		* @param mixed $level
57		* @param mixed $rawMessage
58		* @param array $context
59		*/
60	15	public function log($level, $rawMessage, array $context = array())
61		{
62	15	$message = $this->initMessage($level, $rawMessage, $context);
63
64		// add exception data if present
65	15	if (isset($context['exception'])
66	15	&& $context['exception'] instanceof Exception
67	15	) {
68	1	$this->initExceptionData($message, $context['exception']);
69	1	}
70
71	15	$this->publisher->publish($message);
72	15	}
73
74		/**
75		* Returns the currently used publisher
76		*
77		* @return PublisherInterface
78		*/
79	1	public function getPublisher()
80		{
81	1	return $this->publisher;
82		}
83
84		/**
85		* Sets a new publisher
86		*
87		* @param PublisherInterface $publisher
88		*/
89	1	public function setPublisher(PublisherInterface $publisher)
90		{
91	1	$this->publisher = $publisher;
92	1	}
93
94		/**
95		* Returns the faciilty-name used in GELF
96		*
97		* @return string\|null
98		*/
99	1	public function getFacility()
100		{
101	1	return $this->facility;
102		}
103
104		/**
105		* Sets the facility for GELF messages
106		*
107		* @param string\|null $facility
108		*/
109	17	public function setFacility($facility = null)
110		{
111	17	$this->facility = $facility;
112	17	}
113
114		/**
115		* Override this function to inject a different
116		* \Gelf\Message instance into the logger
117		*
118		* @return Message
119		*/
120	14	protected function createMessage()
121		{
122	14	return new Message();
123		}
124
125		/**
126		* Initializes message-object
127		*
128		* @param mixed $level
129		* @param mixed $message
130		* @param array $context
131		* @return Message
132		*/
133	15	protected function initMessage($level, $message, array $context)
134		{
135		// assert that message is a string, and interpolate placeholders
136	15	$message = (string) $message;
137	15	$context = $this->initContext($context);
138	15	$message = self::interpolate($message, $context);
139
140		// create message object
141	15	$messageObj = $this->createMessage();
142	15	$messageObj->setLevel($level);
143	15	$messageObj->setShortMessage($message);
144	15	$messageObj->setFacility($this->facility);
145
146	15	foreach ($context as $key => $value) {
147	12	$messageObj->setAdditional($key, $value);
148	15	}
149
150	15	return $messageObj;
151		}
152
153		/**
154		* Initializes context array, ensuring all values are string-safe
155		*
156		* @param array $context
157		* @return array
158		*/
159	15	protected function initContext($context)
160		{
161	15	foreach ($context as $key => &$value) {
162	12	switch (gettype($value)) {
163	12	case 'string':
164	12	case 'integer':
165	12	case 'double':
166		// These types require no conversion
167	4	break;
168	8	case 'array':
169	8	case 'boolean':
170	3	$value = json_encode($value);
171	3	break;
172	5	case 'object':
173	3	if (method_exists($value, '__toString')) {
174	2	$value = (string)$value;
175	2	} else {
176	1	$value = '[object (' . get_class($value) . ')]';
177		}
178	3	break;
179	2	case 'NULL':
180	1	$value = 'NULL';
181	1	break;
182	1	default:
183	1	$value = '[' . gettype($value) . ']';
184	1	break;
185	12	}
186	15	}
187
188	15	return $context;
189		}
190
191		/**
192		* Initializes Exceptiondata with given message
193		*
194		* @param Message $message
195		* @param Exception $exception
196		*/
197	1	protected function initExceptionData(Message $message, Exception $exception)
198		{
199	1	$message->setLine($exception->getLine());
200	1	$message->setFile($exception->getFile());
201
202	1	$longText = "";
203
204		do {
205	1	$longText .= sprintf(
206	1	"%s: %s (%d)\n\n%s\n",
207	1	get_class($exception),
208	1	$exception->getMessage(),
209	1	$exception->getCode(),
210	1	$exception->getTraceAsString()
211	1	);
212
213	1	$exception = $exception->getPrevious();
214	1	} while ($exception && $longText .= "\n--\n\n");
215
216	1	$message->setFullMessage($longText);
217	1	}
218
219		/**
220		* Interpolates context values into the message placeholders.
221		*
222		* Reference implementation
223		* @link https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-3-logger-interface.md#12-message
224		*
225		* @param mixed $message
226		* @param array $context
227		* @return string
228		*/
229	15	private static function interpolate($message, array $context)
230		{
231		// build a replacement array with braces around the context keys
232	15	$replace = array();
233	15	foreach ($context as $key => $val) {
234	12	$replace['{' . $key . '}'] = $val;
235	15	}
236
237		// interpolate replacement values into the message and return
238	15	return strtr($message, $replace);
239		}
240		}
241

bzikarsky / gelf-php

Pull Request — master (#65)

Logger::initExceptionData() A

Complexity

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Duplication

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