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Kotlin conversion: UTF8Util
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// SPDX-FileCopyrightText: 2022 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.CharBuffer;
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import java.nio.charset.CharacterCodingException;
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import java.nio.charset.Charset;
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import java.nio.charset.CharsetDecoder;
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import java.nio.charset.CodingErrorAction;
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public class UTF8Util {
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public static final Charset UTF8 = Charset.forName("UTF8");
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private static final CharsetDecoder UTF8Decoder = UTF8
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.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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* @see <a href="https://stackoverflow.com/a/1471193">ante on StackOverflow</a>
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* @param data utf-8 encoded bytes
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*
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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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*/
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public static String decodeUTF8(byte[] data)
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throws CharacterCodingException {
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ByteBuffer byteBuffer = ByteBuffer.wrap(data);
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CharBuffer charBuffer = UTF8Decoder.decode(byteBuffer);
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return charBuffer.toString();
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}
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}
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// SPDX-FileCopyrightText: 2021 Paul Schaub <vanitasvitae@fsfe.org>
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//
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// SPDX-License-Identifier: Apache-2.0
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/**
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* Utility classes.
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*/
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package sop.util;
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37
sop-java/src/main/kotlin/sop/util/UTF8Util.kt
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37
sop-java/src/main/kotlin/sop/util/UTF8Util.kt
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// 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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