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<?php |
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declare(strict_types=1); |
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namespace Level23\Druid\InputFormats; |
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class CsvInputFormat implements InputFormatInterface |
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{ |
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protected ?string $listDelimiter; |
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/** |
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* @var string[]|null |
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*/ |
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protected ?array $columns = null; |
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protected ?bool $findColumnsFromHeader; |
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protected int $skipHeaderRows; |
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/** |
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* @param string[]|null $columns Specifies the columns of the data. The columns should be in the same |
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* order with the columns of your data. |
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* @param string|null $listDelimiter A custom delimiter for multi-value dimensions. |
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* @param bool|null $findColumnsFromHeader If this is set, the task will find the column names from the header |
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* row. Note that skipHeaderRows will be applied before finding column |
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* names from the header. For example, if you set skipHeaderRows to 2 and |
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* findColumnsFromHeader to true, the task will skip the first two lines |
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* and then extract column information from the third line. columns will |
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* be ignored if this is set to true. |
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* @param int $skipHeaderRows If this is set, the task will skip the first skipHeaderRows rows. |
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*/ |
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public function __construct( |
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array $columns = null, |
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string $listDelimiter = null, |
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bool $findColumnsFromHeader = null, |
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int $skipHeaderRows = 0 |
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) { |
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$this->listDelimiter = $listDelimiter; |
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$this->columns = $columns; |
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$this->findColumnsFromHeader = $findColumnsFromHeader; |
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$this->skipHeaderRows = $skipHeaderRows; |
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} |
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/** |
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* Return the CsvInputFormat so that it can be used in a druid query. |
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* |
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* @return array<string,string|string[]|int|bool> |
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*/ |
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public function toArray(): array |
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{ |
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$result = ['type' => 'csv']; |
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if (!empty($this->columns)) { |
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$result['columns'] = $this->columns; |
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} |
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if ($this->listDelimiter !== null) { |
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$result['listDelimiter'] = $this->listDelimiter; |
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} |
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if ($this->findColumnsFromHeader !== null) { |
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$result['findColumnsFromHeader'] = $this->findColumnsFromHeader; |
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} |
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if ($this->skipHeaderRows > 0) { |
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$result['skipHeaderRows'] = $this->skipHeaderRows; |
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} |
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return $result; |
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} |
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} |
level23 /
druid-client
