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<?php |
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/* |
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* Copyright (c) Nate Brunette. |
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* Distributed under the MIT License (http://opensource.org/licenses/MIT) |
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*/ |
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namespace Tebru\Gson\Internal\TypeAdapter; |
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use DateTime; |
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use Tebru\Gson\Exception\JsonSyntaxException; |
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use Tebru\Gson\JsonWritable; |
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use Tebru\Gson\JsonReadable; |
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use Tebru\Gson\JsonToken; |
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use Tebru\Gson\TypeAdapter; |
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use Tebru\PhpType\TypeToken; |
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/** |
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* Class DateTimeTypeAdapter |
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* |
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* @author Nate Brunette <[email protected]> |
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*/ |
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final class DateTimeTypeAdapter extends TypeAdapter |
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{ |
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/** |
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* @var TypeToken |
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*/ |
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private $type; |
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/** |
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* @var string |
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*/ |
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private $format; |
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/** |
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* Constructor |
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* |
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* @param TypeToken $type |
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* @param string $format |
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*/ |
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public function __construct(TypeToken $type, string $format) |
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{ |
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$this->type = $type; |
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$this->format = $format; |
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} |
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/** |
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* Read the next value, convert it to its type and return it |
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* |
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* @param JsonReadable $reader |
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* @return DateTime|null |
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* @throws \Tebru\Gson\Exception\JsonSyntaxException If the DateTime could not be created from format |
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*/ |
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public function read(JsonReadable $reader): ?DateTime |
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{ |
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if ($reader->peek() === JsonToken::NULL) { |
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return $reader->nextNull(); |
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} |
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$formattedDateTime = $reader->nextString(); |
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/** @var DateTime $class */ |
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$class = $this->type->getRawType(); |
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$dateTime = $class::createFromFormat($this->format, $formattedDateTime); |
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if ($dateTime !== false) { |
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return $dateTime; |
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} |
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throw new JsonSyntaxException(sprintf( |
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'Could not create "%s" class from "%s" using format "%s" at "%s"', |
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$class, |
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$formattedDateTime, |
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$this->format, |
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$reader->getPath() |
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)); |
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} |
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/** |
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* Write the value to the writer for the type |
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* |
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* @param JsonWritable $writer |
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* @param DateTime $value |
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* @return void |
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*/ |
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public function write(JsonWritable $writer, $value): void |
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{ |
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if (null === $value) { |
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$writer->writeNull(); |
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return; |
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} |
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$dateTime = $value->format($this->format); |
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$writer->writeString($dateTime); |
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} |
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} |
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tebru /
gson-php
