Выгрузка всех файлов

STEP1_Basics/9_Network/Client.kt

@@ -0,0 +1,34 @@
+package org.client
+
+import com.beust.klaxon.Klaxon
+import org.server.Person
+import java.io.BufferedReader
+import java.io.InputStreamReader
+import java.io.PrintWriter
+import java.net.Socket
+
+data class Person(
+    val name: String,
+    val age: Int,
+    val city: String
+)
+
+const val serverPort: Int = 12345
+const val rawJson = """{
+    "name": "Иван Иванов",
+    "age": 25,
+    "city": "Москва"
+}"""
+val json = Klaxon().parse<Person>(rawJson)
+
+fun main() {
+    val socket = Socket("localhost", serverPort)
+    val writer = PrintWriter(socket.getOutputStream(), true)
+    val reader = BufferedReader(InputStreamReader(socket.getInputStream()))
+
+    writer.println(Klaxon().toJsonString(json))
+    val response = reader.readLine()
+    println("Received from server: $response")
+
+    socket.close()
+}

STEP1_Basics/9_Network/Main.kt

@@ -0,0 +1,45 @@
+package org.server
+
+import com.beust.klaxon.Klaxon
+import java.io.BufferedReader
+import java.io.InputStreamReader
+import java.io.PrintWriter
+import java.net.ServerSocket
+
+data class Person(
+    val name: String,
+    val age: Int,
+    val city: String
+)
+
+const val serverPort: Int = 12345
+
+fun main() {
+    val server = ServerSocket(serverPort)
+    println("Server started on port $serverPort...")
+
+    while (true) {
+        val client = server.accept()
+        println("Client connected: ${client.inetAddress.hostAddress}:${client.port}")
+
+        val reader = BufferedReader(InputStreamReader(client.getInputStream()))
+        val writer = PrintWriter(client.getOutputStream(), true)
+
+        val rawReceived = reader.readLine()
+        //println("Received from client: $received")
+        val json = Klaxon().parse<Person>(rawReceived)
+        println("""
+            
+            Parsed data:
+            name: ${json?.name}
+            age: ${json?.age}
+            city: ${json?.city}
+            
+        """.trimIndent())
+
+        val response = "OK"
+        writer.println(response)
+
+        client.close()
+    }
+}

STEP1_Basics/9_Network/build.gradle.kts

@@ -0,0 +1,42 @@
+plugins {
+    kotlin("jvm") version "2.1.10"
+    application
+}
+
+group = "org.example"
+version = "1.0-SNAPSHOT"
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    testImplementation(kotlin("test"))
+    implementation("com.beust:klaxon:5.5")
+}
+
+tasks.test {
+    useJUnitPlatform()
+}
+
+kotlin {
+    jvmToolchain(17)
+}
+
+// "run" task
+application {
+    mainClass.set("org.example.MainKt") // Replace with your actual main class
+}
+
+tasks.register<JavaExec>("runWithInput") {
+    group = "application"
+    mainClass.set("org.server.MainKt")
+    classpath = sourceSets["main"].runtimeClasspath
+    standardInput = System.`in` // 👈 enables readln() or readLine()
+}
+tasks.register<JavaExec>("runWithInputClient") {
+    group = "application"
+    mainClass.set("org.client.ClientKt")
+    classpath = sourceSets["main"].runtimeClasspath
+    standardInput = System.`in` // 👈 enables readln() or readLine()
+}