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package dev.openrs2.compress.bzip2
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import dev.openrs2.util.io.SkipOutputStream
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import org.apache.commons.compress.compressors.bzip2.BZip2CompressorInputStream
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import org.apache.commons.compress.compressors.bzip2.BZip2CompressorOutputStream
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import java.io.ByteArrayInputStream
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import java.io.InputStream
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import java.io.OutputStream
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import java.io.SequenceInputStream
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public object Bzip2 {
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private const val BLOCK_SIZE = 1
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private val HEADER = byteArrayOf('B'.toByte(), 'Z'.toByte(), 'h'.toByte(), ('0' + BLOCK_SIZE).toByte())
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public fun createHeaderlessInputStream(input: InputStream): InputStream {
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return BZip2CompressorInputStream(SequenceInputStream(ByteArrayInputStream(HEADER), input))
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}
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public fun createHeaderlessOutputStream(output: OutputStream): OutputStream {
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return BZip2CompressorOutputStream(SkipOutputStream(output, HEADER.size.toLong()), BLOCK_SIZE)
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}
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}
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