Return zip

src/main/kotlin/starter/ProjectZip.kt

@@ -2,17 +2,22 @@ package starter
 
 import starter.utils.ZipOutput
 import starter.utils.prettyPrintXml
+import starter.utils.sanitizeFilename
 
 class ProjectZip(private val templates: Templates) {
 
-    fun createZip(project: Project, inputs: List<Input>, dependencies: List<Dependency>) {
+    fun createZip(project: Project, inputs: List<Input>, dependencies: List<Dependency>): String {
         val pom = templates.pom(dependencies, inputs)
         val prettyPom = prettyPrintXml(pom)
 
-        ZipOutput(project.name).use {
+        val name: String
+
+        ZipOutput(sanitizeFilename(project.name)).use {
+            name = it.name
             it.write("pom.xml", prettyPom)
         }
 
+        return name
     }
 
 }

src/main/kotlin/starter/Server.kt

@@ -1,6 +1,8 @@
 package starter
 
 import io.javalin.Javalin
+import starter.utils.sanitizeFilename
+import java.io.File
 
 class Server(
         private val views: Views,
@@ -33,10 +35,12 @@ class Server(
             val basePackage = inputs.find { it.name == "basePackage" }!!.value!!
             val project = Project(projectName, basePackage)
 
-            projectZip.createZip(project, inputs, deps)
-            TODO()
-            ctx.result("prettyPrintXml(generatedPom)")
+
             ctx.contentType("text/xml")
+            ctx.header("Content-Disposition", "attachment; filename=\"${sanitizeFilename(projectName)}.zip\"")
+            val zipFile = projectZip.createZip(project, inputs, deps)
+            ctx.result(File(zipFile).readBytes())
         }
     }
+
 }

src/main/kotlin/starter/utils/PathUtils.kt

@@ -0,0 +1,3 @@
+package starter.utils
+
+fun sanitizeFilename(inputName: String): String = inputName.replace("[^a-zA-Z0-9-_.]".toRegex(), "_")

src/main/kotlin/starter/utils/ZipOutput.kt

@@ -12,6 +12,8 @@ class ZipOutput(name: String) : AutoCloseable {
         createNewFile()
     }
     private val outputStream = ZipArchiveOutputStream(zipFile.outputStream())
+    val name: String
+        get() = zipFile.name
 
     fun write(path: String, content: String) {
         val entry = ZipArchiveEntry(path)