Here you can find the source of isPrimitiveType(final QName elementType)
public static boolean isPrimitiveType(final QName elementType)
//package com.java2s; /*/*from www . ja va 2s .c om*/ * Geotoolkit - An Open Source Java GIS Toolkit * http://www.geotoolkit.org * * (C) 2009-2016, Geomatys * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. */ import java.util.HashMap; import java.util.Map; import javax.xml.namespace.QName; public class Main { private static final Map<String, Class> CLASS_BINDING = new HashMap<>(); public static boolean isPrimitiveType(final QName elementType) { if (elementType != null) { return CLASS_BINDING.containsKey(elementType.getLocalPart()); } return false; } }