/*******************************************************************************
 * Copyright (c) 2013 University of Stuttgart.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * and the Apache License 2.0 which both accompany this distribution,
 * and are available at http://www.eclipse.org/legal/epl-v10.html
 * and http://www.apache.org/licenses/LICENSE-2.0
 *
 * Contributors:
 *     Oliver Kopp - initial API and implementation
 *******************************************************************************/
package org.eclipse.winery.common.ids;

import org.eclipse.winery.common.StringEncodedAndDecoded;

public class Namespace extends StringEncodedAndDecoded {
	
	public Namespace(String uri, boolean URLencoded) {
		super(uri, URLencoded);
	}
	
}

@@ -95,16 +95,21 @@
 (c) 2013
+,2015
  Univers
@@ -647,16 +647,61 @@
 n.ids;%0A%0A
+import org.apache.commons.lang3.StringUtils;%0A
 import o
@@ -888,15 +888,126 @@
 coded);%0A
+%09%09if (StringUtils.isEmpty(uri)) %7B%0A%09%09%09throw new IllegalArgumentException(%22uri must not be empty or null.%22);%0A%09%09%7D%0A
 %09%7D%0A%09%0A%7D%0A

Add check for null parameter