Code Duplication    Length = 13-14 lines in 3 locations

WebStream/Log/LoggerConfigurationManager.php 3 locations

@@ 91-104 (lines=14) @@
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     * ログレベルを読み込む
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     * @throws LoggerException
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     */
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    private function loadLogLevel()
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    {
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        if (!array_key_exists("level", $this->configMap)) {
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            throw new LoggerException("Log level must be defined.");
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        }
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        $logLevel = $this->toLogLevelValue($this->configMap["level"]);
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        if ($logLevel === 0) {
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            throw new LoggerException("Invalid log level: " . $this->configMap["level"]);
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        }
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        $this->logContainer->logLevel = $logLevel;
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        return $this;
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    }
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    /**
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     * ログ保存先パスを読み込む
@@ 129-141 (lines=13) @@
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     * ログローテートサイクルを読み込む
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     * @throws LoggerException
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     */
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    private function loadRotateCycle()
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    {
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        if (array_key_exists("rotate_cycle", $this->configMap)) {
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            $rotateCycle = $this->cycle2value($this->configMap["rotate_cycle"]);
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            // 妥当なローテートサイクルか
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            if ($rotateCycle === 0) {
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                throw new LoggerException("Invalid log rotate cycle: " . $this->configMap["rotate_cycle"]);
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            }
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            $this->logContainer->rotateCycle = $rotateCycle;
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        }
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        return $this;
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    }
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    /**
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     * ログローテートサイズを読み込む
@@ 147-159 (lines=13) @@
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     * ログローテートサイズを読み込む
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     * @throws LoggerException
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     */
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    private function loadRotateSize()
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    {
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        if (array_key_exists("rotate_size", $this->configMap)) {
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            $rotateSize = intval($this->configMap["rotate_size"]);
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            // ローテートサイズが不正の場合(正の整数以外の値が設定された場合)
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            if ($rotateSize <= 0) {
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                throw new LoggerException("Invalid log rotate size: " . $this->configMap["rotate_size"]);
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            }
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            $this->logContainer->rotateSize = $rotateSize;
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        }
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        return $this;
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    }
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    /**
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     * アプリケーション名を読み込む