| Code Coverage | ||||||||||
| Lines | Functions and Methods | Classes and Traits | ||||||||
| Total |  | 100.00% | 18 / 18 |  | 100.00% | 2 / 2 | CRAP |  | 100.00% | 1 / 1 | 
| ExceptionInterpreterService |  | 100.00% | 18 / 18 |  | 100.00% | 2 / 2 | 5 |  | 100.00% | 1 / 1 | 
| getExceptionInterpreter |  | 100.00% | 13 / 13 |  | 100.00% | 1 / 1 | 4 | |||
| getClassesHierarchy |  | 100.00% | 5 / 5 |  | 100.00% | 1 / 1 | 1 | |||
| 1 | <?php | 
| 2 | |
| 3 | /** | 
| 4 | * This program is free software; you can redistribute it and/or | 
| 5 | * modify it under the terms of the GNU General Public License | 
| 6 | * as published by the Free Software Foundation; under version 2 | 
| 7 | * of the License (non-upgradable). | 
| 8 | * | 
| 9 | * This program is distributed in the hope that it will be useful, | 
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | 
| 12 | * GNU General Public License for more details. | 
| 13 | * | 
| 14 | * You should have received a copy of the GNU General Public License | 
| 15 | * along with this program; if not, write to the Free Software | 
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | 
| 17 | * | 
| 18 | * Copyright (c) 2017 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT); | 
| 19 | * | 
| 20 | * | 
| 21 | */ | 
| 22 | |
| 23 | namespace oat\tao\model\mvc\error; | 
| 24 | |
| 25 | use oat\oatbox\service\ConfigurableService; | 
| 26 | |
| 27 | /** | 
| 28 | * Registry for exception interpreter | 
| 29 | * | 
| 30 | * @access public | 
| 31 | * @author Aleh Hutnikau, <hutnikau@1pt.com> | 
| 32 | * @package tao | 
| 33 | */ | 
| 34 | class ExceptionInterpreterService extends ConfigurableService | 
| 35 | { | 
| 36 | public const SERVICE_ID = 'tao/ExceptionInterpreterService'; | 
| 37 | |
| 38 | public const OPTION_INTERPRETERS = 'interpreters'; | 
| 39 | |
| 40 | /** | 
| 41 | * @param \Exception $e | 
| 42 | * @return ExceptionInterpretor | 
| 43 | */ | 
| 44 | public function getExceptionInterpreter(\Exception $e) | 
| 45 | { | 
| 46 | $interpreters = $this->hasOption(self::OPTION_INTERPRETERS) ? | 
| 47 | $this->getOption(self::OPTION_INTERPRETERS) : []; | 
| 48 | |
| 49 | $exceptionClassesHierarchy = $this->getClassesHierarchy($e); | 
| 50 | |
| 51 | $foundInterpreters = []; | 
| 52 | foreach ($interpreters as $configuredExceptionClass => $configuredInterpreterClass) { | 
| 53 | $configuredExceptionClass = trim($configuredExceptionClass, '\\'); | 
| 54 | if (isset($exceptionClassesHierarchy[$configuredExceptionClass])) { | 
| 55 | $foundInterpreters[$exceptionClassesHierarchy[$configuredExceptionClass]] = $configuredInterpreterClass; | 
| 56 | } | 
| 57 | } | 
| 58 | |
| 59 | $interpreterClass = $foundInterpreters[min(array_keys($foundInterpreters))]; | 
| 60 | $result = new $interpreterClass(); | 
| 61 | |
| 62 | $result->setException($e); | 
| 63 | $result->setServiceLocator($this->getServiceManager()); | 
| 64 | return $result; | 
| 65 | } | 
| 66 | |
| 67 | /** | 
| 68 | * Function calculates exception classes hierarchy | 
| 69 | * | 
| 70 | * Example: | 
| 71 | * | 
| 72 | * Given hierarchy: | 
| 73 | * class B extends A {} | 
| 74 | * class A extends Exception {} | 
| 75 | * //B => A => Exception | 
| 76 | * | 
| 77 | * $this->getClassesHierarchy(new B) | 
| 78 | * | 
| 79 | * Result: | 
| 80 | * [ | 
| 81 | * 'B' => 0, | 
| 82 | * 'A' => 1, | 
| 83 | * 'Exception' => 2, | 
| 84 | * ] | 
| 85 | * | 
| 86 | * | 
| 87 | * @param \Exception $e | 
| 88 | * @return array where key is class name and value is index in the hierarchy | 
| 89 | */ | 
| 90 | protected function getClassesHierarchy(\Exception $e) | 
| 91 | { | 
| 92 | $exceptionClass = get_class($e); | 
| 93 | $exceptionClassesHierarchy = array_values(class_parents($exceptionClass)); | 
| 94 | array_unshift($exceptionClassesHierarchy, $exceptionClass); | 
| 95 | $exceptionClassesHierarchy = array_flip($exceptionClassesHierarchy); | 
| 96 | return $exceptionClassesHierarchy; | 
| 97 | } | 
| 98 | } |