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Improve Bytes: add hashCode and better toString #86

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Improve Bytes: add hashCode and better toString #86

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18 changes: 16 additions & 2 deletions geny/src/geny/Bytes.scala
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Original file line number Diff line number Diff line change
@@ -1,5 +1,9 @@
package geny

import java.math.BigInteger
import java.nio.ByteBuffer
import java.nio.charset.{CodingErrorAction, StandardCharsets}

/**
* Trivial wrapper around `Array[Byte]` with sane equality and useful toString
*/
Expand All @@ -8,5 +12,15 @@ class Bytes(val array: Array[Byte]){
case otherBytes: Bytes => java.util.Arrays.equals(array, otherBytes.array)
case _ => false
}
override def toString = new String(array, java.nio.charset.StandardCharsets.UTF_8)
}

override def hashCode(): Int = java.util.Arrays.hashCode(array)

override def toString = try {
StandardCharsets.UTF_8
.newDecoder()
.onMalformedInput(CodingErrorAction.REPORT)
.onUnmappableCharacter(CodingErrorAction.REPORT)
.decode(ByteBuffer.wrap(array))
.toString
} catch (_ => s"0x${new BigInteger(1, array).toString(16).toUpperCase}")
}