How to instantiate a Scala object using reflection -


i have code uses reflection instantiate java or scala class, allowing user specify name: assume loadit below hypothetical method defined using this approach.

def getinstance(name:string, jar:string) = {    val c:class[_] = loadit(name, jar) // load class jar    c.newinstance.asinstanceof[anyref] // return new instance of class }

this works fine if name scala class, not if object. define object:

object foo

and call as:

getinstance("foo", "somejar.jar")

i error:

java.lang.instantiationexception: foo     @ java.lang.class.newinstance(class.java:364)

is there way can instantiate object?

found answer:

refer this link. added following code:

import scala.reflect.runtime.universe._ def getobjectinstance(clsname: string):anyref = {   val mirror = runtimemirror(getclass.getclassloader)   val module = mirror.staticmodule(clsname)   mirror.reflectmodule(module).instance.asinstanceof[anyref] } val c:class[_] = loadit("foo", "somejar.jar") // ok  val o = try c.newinstance.asinstanceof[anyref] catch {     case i:java.lang.instantiationexception => getobjectinstance("foo") } // works

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