Added Ex. 10

added client hosts a server
added javadoc comments

Projekte/common/src/main/java/pp/util/Util.java

@@ -7,6 +7,14 @@
 
 package pp.util;
 
+import com.jme3.app.Application;
+import com.jme3.asset.AssetLoadException;
+import com.jme3.asset.AssetNotFoundException;
+import com.jme3.audio.AudioData;
+import com.jme3.audio.AudioNode;
+
+import java.lang.System.Logger;
+import java.lang.System.Logger.Level;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashSet;
@@ -17,6 +25,8 @@
  * A class with auxiliary functions.
  */
 public class Util {
+    private static final Logger LOGGER = System.getLogger(Util.class.getName());
+
     private Util() { /* do not instantiate */ }
 
     /**
@@ -87,4 +97,24 @@ public static <T, E extends T> Set<T> add(Set<T> set, E element) {
         newSet.add(element);
         return newSet;
     }
+
+    /**
+     * Loads a sound from the specified file.
+     *
+     * @param app  The application
+     * @param name The name of the sound file.
+     * @return The loaded AudioNode.
+     */
+    public static AudioNode loadSound(Application app, String name) {
+        try {
+            final AudioNode sound = new AudioNode(app.getAssetManager(), name, AudioData.DataType.Buffer);
+            sound.setLooping(false);
+            sound.setPositional(false);
+            return sound;
+        }
+        catch (AssetLoadException | AssetNotFoundException ex) {
+            LOGGER.log(Level.ERROR, ex.getMessage(), ex);
+        }
+        return null;
+    }
 }