diff --git a/configuration/src/main/java/de/muehlencord/shared/configuration/DefaultConfiguration.java b/configuration/src/main/java/de/muehlencord/shared/configuration/DefaultConfiguration.java
index 2e7f1a1..b89d8e2 100644
--- a/configuration/src/main/java/de/muehlencord/shared/configuration/DefaultConfiguration.java
+++ b/configuration/src/main/java/de/muehlencord/shared/configuration/DefaultConfiguration.java
@@ -24,8 +24,8 @@ public class DefaultConfiguration<T, V extends T> implements Configuration<T, V>
      * creates a new instance of a configuration
      */
     public DefaultConfiguration() {
-        parameterMap = new HashMap<Parameter<T>, V>();
-        parameterNameMap = new HashMap<String, Parameter<T>>();
+        parameterMap = new HashMap<>();
+        parameterNameMap = new HashMap<>();
     }
 
     /**
@@ -60,7 +60,7 @@ public class DefaultConfiguration<T, V extends T> implements Configuration<T, V>
      */
     @Override
     public void validateConfiguration() throws ConfigurationException {
-        List<Parameter> missingMandatoryParameters = new LinkedList<Parameter>();
+        List<Parameter> missingMandatoryParameters = new LinkedList<>();
         for (Parameter p : parameterMap.keySet()) {
             if ((!validateParameter(p)) && (!missingMandatoryParameters.contains(p))) {
                 missingMandatoryParameters.add(p);
@@ -87,6 +87,22 @@ public class DefaultConfiguration<T, V extends T> implements Configuration<T, V>
             throw new ConfigurationException("Parameter " + p.getName() + " not defined");
         }
     }
+    
+    /**
+     * overrides parameter map with given map
+     *
+     * @param map map to use
+     * @throws ConfigurationException if the parameter is not defined
+     */    
+    public void setParameterValue (Map<Parameter<T>, V> map) throws ConfigurationException {        
+        for ( Parameter<T> key : map.keySet()) {
+            if (parameterMap.containsKey(key)) {
+                parameterMap.put (key, map.get(key));
+            } else {
+               throw new ConfigurationException("Parameter " + key.getName() + " not defined"); 
+            }
+        }
+    }
 
     /**
      * sets the value of parameter with given name