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package java.nio
abstract class Buffer private[nio] (val _capacity: Int) {
private var _limit: Int = capacity
private var _position: Int = 0
private[nio] var _mark: Int = -1
final def capacity(): Int = _capacity
final def position(): Int = _position
final def position(newPosition: Int): Buffer = {
if (newPosition < 0 || newPosition > limit())
throw new IllegalArgumentException
_position = newPosition
if (_mark > newPosition)
_mark = -1
this
}
final def limit(): Int = _limit
final def limit(newLimit: Int): Buffer = {
if (newLimit < 0 || newLimit > capacity())
throw new IllegalArgumentException
_limit = newLimit
if (_position > newLimit) {
_position = newLimit
if (_mark > newLimit)
_mark = -1
}
this
}
final def mark(): Buffer = {
_mark = _position
this
}
final def reset(): Buffer = {
if (_mark == -1)
throw new InvalidMarkException
_position = _mark
this
}
final def clear(): Buffer = {
_mark = -1
_position = 0
_limit = capacity
this
}
final def flip(): Buffer = {
_mark = -1
_limit = _position
_position = 0
this
}
final def rewind(): Buffer = {
_mark = -1
_position = 0
this
}
@inline final def remaining(): Int = limit - position
@inline final def hasRemaining(): Boolean = position != limit
def isReadOnly(): Boolean
def hasArray(): Boolean
def array(): Object
def arrayOffset(): Int
def isDirect(): Boolean
override def toString(): String =
s"${getClass.getName}[pos=$position lim=$limit cap=$capacity]"
}
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