this simple program does not work

[NIJAVA]

module teste.WebServer

import java.lang
import java.net.InetSocketAddress
import com.sun.net.httpserver.HttpServer

function main = |args| {

  let server = HttpServer.create(InetSocketAddress("localhost", 8081), 0)
    let handler1 = |exchange| {
    let response = "bem vindo"
    exchange: getResponseHeaders(): set("Content-Type", "text/plain")
        println(response: length())
    exchange: sendResponseHeaders(200, response: length())
    exchange: getResponseBody(): write(response: getBytes())
    exchange: close()
  }
  server: createContext("/", handler1)
    let handler2 = |exchange| {
     let response = "tchau"
    exchange: getResponseHeaders(): set("Content-Type", "text/plain")
    exchange: sendResponseHeaders(200, response: length())
    exchange: getResponseBody(): write(response: getBytes())
    exchange: close()
    server: stop(5)
  }
  server: createContext("/shut", handler2)

  server: start()
  println("> http://localhost:8081/")
}

[NIJAVA]

the same program in groovy works fine

[yloiseau]

Could you at least provide some information on failure, like a stack trace, expected result vs. observed behavior and so on...

[NIJAVA]

9 Exception in thread "Thread-2" java.lang.NoSuchMethodError: class sun.net.httpserver.HttpExchangeImpl::sendResponseHeade rs at org.eclipse.golo.runtime.MethodInvocationSupport.fallback(MethodInvocationSupport.java:271) at teste.WebServer.__$$_sugar_closure_0(httpgolo.golo:14) at java.lang.invoke.MethodHandleProxies$1.invoke(MethodHandleProxies.java:187) at com.sun.proxy.$Proxy5.handle(Unknown Source) at com.sun.net.httpserver.Filter$Chain.doFilter(Filter.java:79) at sun.net.httpserver.AuthFilter.doFilter(AuthFilter.java:83) at com.sun.net.httpserver.Filter$Chain.doFilter(Filter.java:82) at sun.net.httpserver.ServerImpl$Exchange$LinkHandler.handle(ServerImpl.java:675) at com.sun.net.httpserver.Filter$Chain.doFilter(Filter.java:79) at sun.net.httpserver.ServerImpl$Exchange.run(ServerImpl.java:647) at sun.net.httpserver.ServerImpl$DefaultExecutor.execute(ServerImpl.java:158) at sun.net.httpserver.ServerImpl$Dispatcher.handle(ServerImpl.java:431) at sun.net.httpserver.ServerImpl$Dispatcher.run(ServerImpl.java:396) at java.lang.Thread.run(Thread.java:748)

[artpej]

just change that:

exchange: sendResponseHeaders(200, response: length())

by this:

exchange: sendResponseHeaders(intValue(200), response: length())

in Golo unboxing is explicit : http://golo-lang.org/documentation/next/#_number_type_conversions

[NIJAVA]

hei Artpej, your hint do not work too: same error reported.

[artpej]

Add longValue() on response: length() too .

Sorry for not be more precise but it is not easy to type with a phone :wink:

[NIJAVA]

ok, thanks Artpeg, now it worked, but then golo does not integrate wel with java, groovy does not need such explicit conversions.

[NIJAVA]

intValue(200) was not necessary, only longValue() needed.

[NIJAVA]

golo samples has a file http-server.golo that do not have those conversions.

[yloiseau]

It's not an unboxing error, but an implicit upcast one. The method expects a long but an int (thus an Integer) is given. The code in the samples used to work, but it's indeed no more the case since the big method resolution refactoring.

[NIJAVA]

The module http-server in samples don't work too, the necessity of explicit method parammeters conversions means golo does not seamless integrate with java code as groovy does.

[yloiseau]

No, it means that we have a regression...

[NIJAVA]

Then it needs a re-evolution, golo is a beautiful engineered little language.