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<?php |
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/** |
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* Copyright 2014 SURFnet bv |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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namespace Surfnet\Stepup\DateTime; |
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use DateInterval; |
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use DateTime as CoreDateTime; |
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use Surfnet\Stepup\Exception\InvalidArgumentException; |
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class UtcDateTime |
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{ |
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/** |
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* The 'c' format, expanded in separate format characters. This string can also be used with |
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* `DateTime::createFromString()`. |
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*/ |
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const FORMAT = 'Y-m-d\\TH:i:sP'; |
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/** |
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* @var CoreDateTime |
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*/ |
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private $dateTime; |
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/** |
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* @param CoreDateTime $dateTime |
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*/ |
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public function __construct(CoreDateTime $dateTime) |
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{ |
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if ($dateTime->getOffset() !== 0) { |
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throw new InvalidArgumentException( |
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'Stepup DateTime requires a UTC datetime, but got DateTime with offset %d', |
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$dateTime->getOffset() |
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); |
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} |
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$this->dateTime = $dateTime; |
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} |
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/** |
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* @param DateInterval $interval |
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* @return UtcDateTime |
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*/ |
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public function add(DateInterval $interval) |
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{ |
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$dateTime = clone $this->dateTime; |
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$dateTime->add($interval); |
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return new self($dateTime); |
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} |
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/** |
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* @param DateInterval $interval |
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* @return UtcDateTime |
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*/ |
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public function sub(DateInterval $interval) |
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{ |
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$dateTime = clone $this->dateTime; |
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$dateTime->sub($interval); |
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return new self($dateTime); |
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} |
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/** |
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* @param UtcDateTime $dateTime |
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* @return boolean |
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*/ |
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public function comesBefore(UtcDateTime $dateTime) |
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{ |
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return $this->dateTime < $dateTime->dateTime; |
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} |
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/** |
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* @param UtcDateTime $dateTime |
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* @return boolean |
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*/ |
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public function comesBeforeOrIsEqual(UtcDateTime $dateTime) |
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{ |
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return $this->dateTime <= $dateTime->dateTime; |
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} |
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/** |
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* @param UtcDateTime $dateTime |
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* @return boolean |
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*/ |
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public function comesAfter(UtcDateTime $dateTime) |
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{ |
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return $this->dateTime > $dateTime->dateTime; |
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} |
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/** |
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* @param UtcDateTime $dateTime |
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* @return boolean |
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*/ |
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public function comesAfterOrIsEqual(UtcDateTime $dateTime) |
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{ |
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return $this->dateTime >= $dateTime->dateTime; |
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} |
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/** |
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* @param $format |
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* @return string |
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*/ |
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public function format($format) |
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{ |
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$formatted = $this->dateTime->format($format); |
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if ($formatted === false) { |
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throw new InvalidArgumentException(sprintf( |
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'Given format "%s" is not a valid format for DateTime', |
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$format |
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)); |
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} |
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return $formatted; |
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} |
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/** |
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* @return string An ISO 8601 representation of this DateTime. |
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*/ |
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public function __toString() |
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{ |
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return $this->format(self::FORMAT); |
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} |
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} |
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OpenConext /
Stepup-Middleware
