Simplify generation of display name.

1 files changed, 5 insertions, 9 deletions

diff --git a/jdisc_http_service/src/main/java/com/yahoo/jdisc/http/server/jetty/JettyHttpServer.java b/jdisc_http_service/src/main/java/com/yahoo/jdisc/http/server/jetty/JettyHttpServer.java
index fe157f522ed..300cf13bfa6 100644
--- a/jdisc_http_service/src/main/java/com/yahoo/jdisc/http/server/jetty/JettyHttpServer.java
+++ b/jdisc_http_service/src/main/java/com/yahoo/jdisc/http/server/jetty/JettyHttpServer.java
@@ -55,6 +55,7 @@ import java.util.concurrent.ThreadFactory;
 import java.util.concurrent.TimeUnit;
 import java.util.logging.Level;
 import java.util.logging.Logger;
+import java.util.stream.Collectors;
 
 import static com.yahoo.jdisc.http.server.jetty.ConnectorFactory.JDiscServerConnector;
 import static com.yahoo.jdisc.http.server.jetty.Exceptions.throwUnchecked;
@@ -120,15 +121,6 @@ public class JettyHttpServer extends AbstractServerProvider {
     private final Server server;
     private final List<Integer> listenedPorts = new ArrayList<>();
 
-    private static String getDisplayName(List<Integer> ports) {
-        StringBuilder allPorts = new StringBuilder();
-        allPorts.append(ports.get(0));
-        for (int i = 1; i < ports.size(); i++) {
-            allPorts.append(":").append(ports.get(i));
-        }
-        return allPorts.toString();
-    }
-
     @Inject
     public JettyHttpServer(
             final CurrentContainer container,
@@ -285,6 +277,10 @@ public class JettyHttpServer extends AbstractServerProvider {
         return servletContextHandler;
     }
 
+    private static String getDisplayName(List<Integer> ports) {
+        return ports.stream().map(Object::toString).collect(Collectors.joining(":"));
+    }
+
     private ServerSocketChannel getChannelFromServiceLayer(int listenPort, BundleContext bundleContext) {
         log.log(Level.FINE, "Retrieving channel for port " + listenPort + " from " + bundleContext.getClass().getName());
         Collection<ServiceReference<ServerSocketChannel>> refs;