Action invoke systeem verbeterd en nette exceptions geintroduceerd.

java/src/pm/application/Application.java

@@ -1,15 +1,20 @@
 package pm.application;
 
+import java.lang.reflect.InvocationTargetException;
+
 import pm.action.Action;
+import pm.exception.ActionException;
+import pm.exception.ActionInvokeException;
 
 public abstract class Application {
-    public void invoke(Action action) throws Exception {
+    public void invoke(Action action) throws ActionException {
         try {
             action.getMethod(this).invoke(this);
-        } catch (Exception e) {
-            throw new Exception("Failed to invoke action");
-        }
+            return;
+        } catch (IllegalArgumentException e) {
+        } catch (IllegalAccessException e) {
+        } catch (InvocationTargetException e) {}
+        throw new ActionInvokeException();
+        // Todo: informatie doorgeven over wat er precies is foutgegaan
     }
-
-    protected abstract void start();
 }