001    /*
002     * Copyright © 2008, 2009 Pedro Agulló Soliveres.
003     * 
004     * This file is part of DirectJNgine.
005     *
006     * DirectJNgine is free software: you can redistribute it and/or modify
007     * it under the terms of the GNU General Public License as published by
008     * the Free Software Foundation, either version 3 of the License.
009     *
010     * DirectJNgine is distributed in the hope that it will be useful,
011     * but WITHOUT ANY WARRANTY; without even the implied warranty of
012     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
013     * GNU General Public License for more details.
014     *
015     * You should have received a copy of the GNU General Public License
016     * along with DirectJNgine.  If not, see <http://www.gnu.org/licenses/>.
017     * 
018     * This software uses the ExtJs library (http://extjs.com), which is 
019     * distributed under the GPL v3 license (see http://extjs.com/license).
020     */
021    
022    package com.softwarementors.extjs.djn;
023    
024    public final class ClassUtils {
025      private ClassUtils() {
026        // Disable class instantiation
027      }
028      
029      public static boolean isNumericType( Class<?> cls ) {
030        assert cls != null;
031      
032        if( cls== float.class || cls == double.class || cls == byte.class || cls == short.class || cls == int.class || cls == long.class) {
033          return true;
034        }
035        
036        Class<?> currentClass = cls;
037        while( currentClass != null ) {
038          if( currentClass == Number.class )
039            return true;
040          currentClass = currentClass.getSuperclass();        
041        }
042        return false;
043      }
044    
045      
046    }