fix mandatory EnumList

Author: guFalcon

pom.xml

@@ -15,7 +15,7 @@
 
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>http-server</artifactId>
-	<version>0.3.12</version>
+	<version>0.3.13</version>
 	<name>HttpServer</name>
 	<packaging>jar</packaging>
 

src/main/java/info/unterrainer/commons/httpserver/HandlerUtils.java

@@ -171,7 +171,7 @@ public <T extends Enum<T>> List<T> convertToEnumList(final String[] o, final Cla
 
 	public <T extends Enum<T>> List<T> getQueryParamAsEnumList(final Context ctx, final String name,
 			final Class<T> enumType, final List<T> defaultValue) {
-		String paramString = getQueryParamAsString(ctx, name);
+		String paramString = getQueryParamAsString(ctx, name, null);
 		if (paramString == null)
 			return defaultValue;
 		return convertToEnumList(paramString.split(","), enumType);