/**
* Return an integer less than, equal to, or greater than zero if the
* this instance is considered to be respectively less than, equal to,
* or greater than the $other rule;
*
* @param PolicyRule $other
* @return integer
*/
public function compare(PolicyRule $other)
{
if ($this->getSpecificity() === $other->getSpecificity()) {
return 0;
} elseif ($this->getSpecificity() > $other->getSpecificity()) {
return 1;
} else {
return -1;
}
}
private function loadJsonString($policyName, $data)
{
$rawRules = json_decode($data);
if ($rawRules === NULL) {
$jsonErrorCode = json_last_error();
$jsonErrorMessage = $this->getJsonErrorReason($jsonErrorCode);
throw new \UnexpectedValueException(sprintf("%s: error while reading policy file `%s`. Reason: %s (%d)", __CLASS__, $policyName, $jsonErrorMessage, $jsonErrorCode), 1327572840);
}
if (!is_array($rawRules)) {
throw new \UnexpectedValueException(sprintf("%s: invalid policy file `%s`.", __CLASS__, $policyName), 1327572841);
}
foreach ($rawRules as $rawRule) {
$ruleObject = PolicyRule::createFromObject($rawRule);
// skip existing "final" rule:
if (isset($this->rules[$ruleObject->getIdentifier()])) {
if ($this->rules[$ruleObject->getIdentifier()]->isFinal()) {
continue;
} else {
$this->getLog()->notice(sprintf('%s: rule#%d is overridden in policy `%s`', __CLASS__, $ruleObject->getIdentifier(), $policyName));
}
}
$this->rules[$ruleObject->getIdentifier()] = $ruleObject;
}
// reverse sorting:
$this->rules->uasort(function (PolicyRule $a, PolicyRule $b) {
return -$a->compare($b);
});
return $this;
}
