38 lines
1.1 KiB
Kotlin
38 lines
1.1 KiB
Kotlin
// SPDX-FileCopyrightText: 2023 Paul Schaub <vanitasvitae@fsfe.org>
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//
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// SPDX-License-Identifier: Apache-2.0
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package sop.util
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import java.nio.ByteBuffer
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import java.nio.charset.Charset
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import java.nio.charset.CodingErrorAction
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class UTF8Util {
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companion object {
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@JvmField val UTF8: Charset = Charset.forName("UTF8")
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@JvmStatic
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private val UTF8Decoder =
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UTF8.newDecoder()
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.onUnmappableCharacter(CodingErrorAction.REPORT)
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.onMalformedInput(CodingErrorAction.REPORT)
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/**
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* Detect non-valid UTF8 data.
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*
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* @param data utf-8 encoded bytes
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* @return decoded string
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* @throws CharacterCodingException if the input data does not resemble UTF8
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* @see [ante on StackOverflow](https://stackoverflow.com/a/1471193)
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*/
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@JvmStatic
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@Throws(CharacterCodingException::class)
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fun decodeUTF8(data: ByteArray): String {
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val byteBuffer = ByteBuffer.wrap(data)
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val charBuffer = UTF8Decoder.decode(byteBuffer)
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return charBuffer.toString()
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}
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}
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}
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