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Домашнее задание Kotlin-5 #60

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11 changes: 9 additions & 2 deletions build.gradle
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Original file line number Diff line number Diff line change
@@ -1,9 +1,16 @@
plugins {
id 'org.jetbrains.kotlin.jvm' version '2.2.10'
id 'org.jetbrains.kotlin.jvm' version '1.9.23'
}

java {
sourceCompatibility = JavaVersion.VERSION_17
targetCompatibility = JavaVersion.VERSION_17
}

kotlin {
jvmToolchain(17)
jvmToolchain {
languageVersion = JavaLanguageVersion.of(17)
}
}

test {
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5 changes: 5 additions & 0 deletions src/main/kotlin/ru/otus/cars/Car.kt
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Expand Up @@ -28,4 +28,9 @@ interface Car : CarInput {
* Внутренний статический класс - номерой знак
*/
data class Plates(val number: String, val region: Int)

/**
* Горловина топливного бака
*/
val tankMouth: TankMouth
}
5 changes: 5 additions & 0 deletions src/main/kotlin/ru/otus/cars/CarOutput.kt
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Expand Up @@ -8,4 +8,9 @@ interface CarOutput {
* Скажи текущую скорость
*/
fun getCurrentSpeed(): Int

/**
* Получение количества топлива в баке
*/
fun getFuelContents(): Int
}
16 changes: 16 additions & 0 deletions src/main/kotlin/ru/otus/cars/FuelStation.kt
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@@ -0,0 +1,16 @@
package ru.otus.cars

class FuelStation {
fun FillUpTheCar(car: Car, value: Int)
{
try {
when (car.tankMouth) {
is PetrolMouth -> (car.tankMouth as PetrolMouth).fuelPetrol(value)
is LpgMouth -> (car.tankMouth as LpgMouth).fuelLpg(value)
}
}
catch (e: NotImplementedError) {
println("Бак взорвался")
}
}
}
22 changes: 22 additions & 0 deletions src/main/kotlin/ru/otus/cars/Tank.kt
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@@ -0,0 +1,22 @@
package ru.otus.cars

interface Tank {
fun getContents(): Int
fun receiveFuel(liters: Int)
}

class MyTank (val capacity: Int): Tank {
private var contents = 0

override fun getContents(): Int = contents

override fun receiveFuel(liters: Int) {
contents += liters

if (contents >= capacity) {
contents = capacity
println("Полный бак")
}
}
}

45 changes: 45 additions & 0 deletions src/main/kotlin/ru/otus/cars/TankMouth.kt
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@@ -0,0 +1,45 @@
package ru.otus.cars

open class TankMouth(protected val tank: Tank) {
private var isOpen = false

fun open() {
when (isOpen) {
true -> println("Горловина уже открыта")
else -> {
isOpen = true
println("Горловина открыта")
}
}
}

fun close(){
when(isOpen){
false -> print("Горловина уже закрыта")
else -> {
isOpen = false
println("Горловина закрыта")
}
}
}
}

class PetrolMouth(tank: Tank) : TankMouth(tank){
fun fuelPetrol(liters: Int){
open()
println("Старт заправки")
tank.receiveFuel(liters)
println("Заправка выполнена")
close()
}
}

class LpgMouth(tank: Tank): TankMouth(tank) {
fun fuelLpg(liters: Int){
open()
println("Старт заправки")
tank.receiveFuel(liters)
println("Заправка выполнена")
close()
}
}
7 changes: 7 additions & 0 deletions src/main/kotlin/ru/otus/cars/Taz.kt
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Expand Up @@ -18,6 +18,9 @@ object Taz: Car {
override val carOutput: CarOutput
get() = throw NotImplementedError("Приборов нет")

override val tankMouth: TankMouth
get() = throw NotImplementedError("Ба-бах!!!")

/**
* Получить оборудование
*/
Expand All @@ -36,4 +39,8 @@ object Taz: Car {
override fun wheelToLeft(degrees: Int) {
throw NotImplementedError("Руля нет")
}

override fun toString(): String {
return "Taz"
}
}
10 changes: 9 additions & 1 deletion src/main/kotlin/ru/otus/cars/Vaz2107.kt
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Expand Up @@ -20,6 +20,7 @@ class Vaz2107 private constructor(color: String) : VazPlatform(color) {
override fun build(plates: Car.Plates): Vaz2107 = Vaz2107("Зеленый").apply {
this.engine = getRandomEngine()
this.plates = plates
this.tankMouth = LpgMouth(tank)
}

/**
Expand All @@ -40,6 +41,8 @@ class Vaz2107 private constructor(color: String) : VazPlatform(color) {
override lateinit var engine: VazEngine
private set

private val tank = MyTank(50)
override lateinit var tankMouth: TankMouth
/**
* Семерка едет так
*/
Expand All @@ -59,7 +62,8 @@ class Vaz2107 private constructor(color: String) : VazPlatform(color) {

// Выводим состояние машины
override fun toString(): String {
return "Vaz2107(plates=$plates, wheelAngle=$wheelAngle, currentSpeed=$currentSpeed)"
val fuelLvl = carOutput.getFuelContents()
return "Vaz2107(plates=$plates, wheelAngle=$wheelAngle, currentSpeed=$currentSpeed, fuelLevel=$fuelLvl)"
}

/**
Expand All @@ -74,5 +78,9 @@ class Vaz2107 private constructor(color: String) : VazPlatform(color) {
override fun getCurrentSpeed(): Int {
return this@Vaz2107.currentSpeed
}

override fun getFuelContents(): Int {
return this@Vaz2107.tank.getContents()
}
}
}
9 changes: 8 additions & 1 deletion src/main/kotlin/ru/otus/cars/Vaz2108.kt
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Expand Up @@ -21,6 +21,7 @@ class Vaz2108 private constructor(color: String) : VazPlatform(color) {
override fun build(plates: Car.Plates): Vaz2108 = Vaz2108("Красный").apply {
this.engine = getRandomEngine()
this.plates = plates
this.tankMouth = PetrolMouth(tank)
}

fun alignWheels(vaz2108: Vaz2108) {
Expand All @@ -38,6 +39,8 @@ class Vaz2108 private constructor(color: String) : VazPlatform(color) {
override lateinit var engine: VazEngine
private set

private val tank = MyTank(50)
override lateinit var tankMouth: TankMouth
/**
* Восьмерка едет так
*/
Expand All @@ -63,7 +66,8 @@ class Vaz2108 private constructor(color: String) : VazPlatform(color) {

// Выводим состояние машины
override fun toString(): String {
return "Vaz2108(plates=$plates, wheelAngle=$wheelAngle, currentSpeed=$currentSpeed)"
val fuelLvl = carOutput.getFuelContents()
return "Vaz2108(plates=$plates, wheelAngle=$wheelAngle, currentSpeed=$currentSpeed, fuelLevel=$fuelLvl)"
}

/**
Expand All @@ -78,5 +82,8 @@ class Vaz2108 private constructor(color: String) : VazPlatform(color) {
override fun getCurrentSpeed(): Int {
return this@Vaz2108.currentSpeed
}
override fun getFuelContents(): Int {
return this@Vaz2108.tank.getContents()
}
}
}
19 changes: 19 additions & 0 deletions src/main/kotlin/ru/otus/cars/main.kt
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Expand Up @@ -16,6 +16,25 @@ fun main() {
techChecks()
println("\n===> Taz...")
println(Taz.color)

val fuelStation = FuelStation()
val cars = listOf( Vaz2107.build(Car.Plates("777", 77)),
Vaz2108.build(Car.Plates("284", 61)),
Taz)

cars.forEach { nextcar ->
println("Заправляем машину - $nextcar")
fuelStation.FillUpTheCar(nextcar,20)

try {
val liters = nextcar.carOutput.getFuelContents()
println("Теперь в баке $liters литров")
}
catch (e: NotImplementedError)
{
println("Нет больше машины!")
}
}
}

fun driveCars() {
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