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Merge pull request #408 from donnywals/reuse-dateformatters
Reuse date formatters
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| // | ||
| // DateFormatterCache.swift | ||
| // Contentful | ||
| // | ||
| // Created by Donny Wals on 05/08/2024. | ||
| // | ||
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| import Foundation | ||
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| class DateFormatterCache { | ||
| static let shared = DateFormatterCache() | ||
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| private let queue = DispatchQueue(label: "com.contentful.formattercache") | ||
| private var cache = [String: DateFormatter]() | ||
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| private init() {} | ||
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| func get(_ format: String, timeZone: TimeZone? = nil) -> DateFormatter { | ||
| return queue.sync { | ||
| if let formatter = cache[format] { | ||
| return formatter | ||
| } | ||
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| let formatter = DateFormatter() | ||
| formatter.calendar = Calendar(identifier: .iso8601) | ||
| // The locale and timezone properties must be exactly as follows to have a true, time-zone agnostic (i.e. offset of 00:00 from UTC) ISO stamp. | ||
| formatter.locale = Foundation.Locale(identifier: "en_US_POSIX") | ||
| formatter.timeZone = timeZone ?? TimeZone(secondsFromGMT: 0) | ||
| formatter.dateFormat = format | ||
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| cache[format] = formatter | ||
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| return formatter | ||
| } | ||
| } | ||
| } |