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| <?php | |
| namespace Environaut\Cache; | |
| use Environaut\Cache\ICache; | |
| use Environaut\Report\Results\Settings\ISetting; | |
| class Cache extends ReadOnlyCache implements ICache | |
| { | |
| /** | |
| * Add the given setting to the cache. Remember it is not persistent without a call to save(). | |
| * | |
| * @param \Environaut\Report\Results\Settings\ISetting $setting | |
| */ | |
| public function add(ISetting $setting) | |
| { | |
| $this->settings[] = $setting; | |
| return $this; | |
| } | |
| /** | |
| * Adds the given ISetting instances to the cache. Remember that the settings are not persistent | |
| * without a call to save(). | |
| * | |
| * @param array $settings array of ISetting implementing instances | |
| * | |
| * @return \Environaut\Cache\Cache this instance for fluent API support | |
| */ | |
| public function addAll(array $settings) | |
| { | |
| foreach ($settings as $setting) { | |
| if ($setting instanceof ISetting) { | |
| $this->settings[] = $setting; | |
| } | |
| } | |
| return $this; | |
| } | |
| /** | |
| * Writes the current set of ISetting instances to the cache file location. | |
| * | |
| * @return boolean true when cache file writing succeeded | |
| * | |
| * @throws \Exception if content could not be encoded | |
| */ | |
| public function save() | |
| { | |
| $location = $this->location; | |
| // no location given from commandline -> use config values or fallback to default location | |
| if (empty($location)) { | |
| $location = $this->parameters->get( | |
| 'write_location', | |
| $this->parameters->get( | |
| 'location', | |
| $this->getDefaultLocation() | |
| ) | |
| ); | |
| } | |
| $this->location = $location; | |
| $data = array(); | |
| foreach ($this->settings as $setting) { | |
| $data[] = $setting->toArray(); | |
| } | |
| $flags = 0; | |
| if ($this->parameters->get('pretty', true) && version_compare(PHP_VERSION, '5.4.0') >= 0) { | |
| $flags |= JSON_PRETTY_PRINT; | |
| } | |
| $content = json_encode($data, $flags); | |
| if (false === $content) { | |
| throw new \Exception('Could not json_encode cachable settings. Nothing written to cache.'); | |
| } | |
| $success = (false !== file_put_contents($location, $content)); | |
| $success &= chmod($location, 0600); // only current user should read/write potentially sensitive info | |
| return $success; | |
| } | |
| /** | |
| * Sets the file path to use as cache file location when saving settings. | |
| * | |
| * @param string $location cache file path | |
| * | |
| * @throws \InvalidArgumentException in case of non-writable cache file path location | |
| */ | |
| public function setLocation($location) | |
| { | |
| if (!is_writable($location)) { | |
| throw new \InvalidArgumentException('Given cache location "' . $location . '" is not writable.'); | |
| } | |
| $this->location = $location; | |
| } | |
| } |