Files
rbcs/rbcs-common/src/main/kotlin/net/woggioni/rbcs/common/ByteBufInputStream.kt

25 lines
663 B
Kotlin

package net.woggioni.rbcs.common
import io.netty.buffer.ByteBuf
import java.io.InputStream
class ByteBufInputStream(private val buf : ByteBuf) : InputStream() {
override fun read(): Int {
return buf.takeIf {
it.readableBytes() > 0
}?.let(ByteBuf::readByte)
?.let(Byte::toInt) ?: -1
}
override fun read(b: ByteArray, off: Int, len: Int): Int {
val readableBytes = buf.readableBytes()
if(readableBytes == 0) return -1
val result = len.coerceAtMost(readableBytes)
buf.readBytes(b, off, result)
return result
}
override fun close() {
buf.release()
}
}