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Port.scala
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Port.scala
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/*
* Copyright 2018 Comcast Cable Communications Management, LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.comcast.ip4s
import scala.util.Try
import scala.util.hashing.MurmurHash3
import cats.{Order, Show}
/** TCP or UDP port number. */
final class Port private (val value: Int) extends Product with Serializable with Ordered[Port] {
def copy(value: Int): Option[Port] = Port.fromInt(value)
def compare(that: Port): Int = value.compare(that.value)
override def toString: String = value.toString
override def hashCode: Int = MurmurHash3.productHash(this, productPrefix.hashCode)
override def equals(other: Any): Boolean =
other match {
case that: Port => value == that.value
case _ => false
}
override def canEqual(other: Any): Boolean = other.isInstanceOf[Port]
override def productArity: Int = 1
override def productElement(n: Int): Any =
if (n == 0) value else throw new IndexOutOfBoundsException
}
object Port {
final val MinValue = 0
final val MaxValue = 65535
def fromInt(value: Int): Option[Port] =
if (value >= MinValue && value <= MaxValue) Some(new Port(value)) else None
def fromString(value: String): Option[Port] =
Try(value.toInt).toOption.flatMap(fromInt)
def unapply(p: Port): Option[Int] = Some(p.value)
implicit val order: Order[Port] = Order.fromComparable[Port]
implicit val show: Show[Port] = Show.fromToString[Port]
}