First minimal port to Kotlin/JavaFX

Author: alvr

.gitignore

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+# Gradle files
+.gradle/
+build/
+out/
+
+# IntelliJ IDEA
+*.iml
+.idea/
+
+# Debug
+/asfui.properties

build.gradle

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+apply plugin: 'kotlin'
+
+group 'me.alvr'
+version '2.0.0-alpha1'
+
+buildscript {
+    ext.kotlin_version = '1.1.3-2'
+
+    repositories {
+        mavenCentral()
+        jcenter()
+    }
+    dependencies {
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
+
+repositories {
+    mavenCentral()
+    jcenter()
+}
+
+dependencies {
+    compile 'khttp:khttp:0.1.0'
+    compile 'no.tornado:tornadofx:1.7.9'
+    compile "org.jetbrains.kotlin:kotlin-stdlib-jre8:$kotlin_version"
+    compile 'org.zeroturnaround:zt-exec:1.10'
+}
+
+compileKotlin {
+    kotlinOptions.jvmTarget = "1.8"
+}
+
+compileTestKotlin {
+    kotlinOptions.jvmTarget = "1.8"
+}
+
+jar {
+    manifest {
+        attributes 'Main-Class': 'me.alvr.asfui.MainKt'
+    }
+
+    from {
+        configurations.compile.collect { it.isDirectory() ? it : zipTree(it) }
+    }
+
+    destinationDir = file("$rootDir/out")
+}

gradle/wrapper/gradle-wrapper.jar

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+#Sat Aug 12 20:35:08 CEST 2017
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip

gradle/wrapper/gradle-wrapper.properties

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+rootProject.name = 'asfui'
+

gradlew

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+package me.alvr.asfui
+
+import javafx.scene.control.TextArea
+import org.zeroturnaround.exec.ProcessExecutor
+import org.zeroturnaround.exec.StartedProcess
+import org.zeroturnaround.exec.stream.LogOutputStream
+
+object ASFProcess {
+    private lateinit var process: StartedProcess
+    var started = false
+
+    fun start(output: TextArea) {
+        if (!started) {
+            process = ProcessExecutor()
+                    .command(Configuration.getPropertyString(Configuration.BINARY, Configuration.BINARY_DEFAULT), "--server")
+                    .redirectOutput(object : LogOutputStream() {
+                        override fun processLine(line: String?) {
+                            output.appendText("$line\n")
+                        }
+                    })
+                    .destroyOnExit()
+                    .start()
+            started = true
+        }
+    }
+
+    fun stop() {
+        if (started) {
+            started = false
+            process.process.destroy()
+        }
+    }
+}