Move JarTemplate to kobalt-plugin-api so plug-ins can use it.

src/main/kotlin/com/beust/kobalt/app/JarTemplate.kt

@@ -1,49 +0,0 @@
-package com.beust.kobalt.app
-
-import com.beust.kobalt.Args
-import com.beust.kobalt.api.ITemplate
-import com.beust.kobalt.misc.log
-import java.io.File
-import java.io.FileOutputStream
-import java.util.jar.JarInputStream
-
-/**
- * Base class for templates that simply decompress a jar file to generate their project.
- */
-abstract class JarTemplate(val jarName: String) : ITemplate {
-    companion object {
-        fun extractFile(ins: JarInputStream, destDir: File) {
-            var entry = ins.nextEntry
-            while (entry != null) {
-                val f = File(destDir.path + File.separator + entry.name)
-                if (entry.isDirectory) {
-                    f.mkdir()
-                    entry = ins.nextEntry
-                    continue
-                }
-
-                log(2, "Extracting: $entry to ${f.absolutePath}")
-                FileOutputStream(f).use { fos ->
-                    var read = ins.read()
-                    while (ins.available() > 0 && read != -1) {
-                        fos.write(read)
-                        read = ins.read()
-                    }
-                }
-                entry = ins.nextEntry
-            }
-        }
-
-        fun log(level: Int, s: String) {
-            println("   " + s)
-        }
-    }
-
-    override fun generateTemplate(args: Args, classLoader: ClassLoader) {
-        log(2, "Generating template with class loader $classLoader")
-        val destDir = File(".")
-        val ins = JarInputStream(classLoader.getResource(jarName).openConnection().inputStream)
-        extractFile(ins, destDir)
-    }
-
-}

src/main/kotlin/com/beust/kobalt/app/KobaltPluginTemplate.kt

@@ -1,6 +1,7 @@
 package com.beust.kobalt.app
 
 import com.beust.kobalt.api.ITemplateContributor
+import com.beust.kobalt.api.JarTemplate
 import com.beust.kobalt.plugin.KobaltPlugin
 
 /**