001/**
002 *   GRANITE DATA SERVICES
003 *   Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004 *
005 *   This file is part of the Granite Data Services Platform.
006 *
007 *   Granite Data Services is free software; you can redistribute it and/or
008 *   modify it under the terms of the GNU Lesser General Public
009 *   License as published by the Free Software Foundation; either
010 *   version 2.1 of the License, or (at your option) any later version.
011 *
012 *   Granite Data Services is distributed in the hope that it will be useful,
013 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
014 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015 *   General Public License for more details.
016 *
017 *   You should have received a copy of the GNU Lesser General Public
018 *   License along with this library; if not, write to the Free Software
019 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020 *   USA, or see <http://www.gnu.org/licenses/>.
021 */
022package org.granite.util;
023
024import java.lang.reflect.Array;
025import java.lang.reflect.GenericArrayType;
026import java.lang.reflect.Type;
027
028/**
029 * @author Franck WOLFF
030 */
031public class ArrayUtil {
032
033    public static Type getComponentType(Type arrayType) {
034        if (arrayType instanceof GenericArrayType)
035            return ((GenericArrayType)arrayType).getGenericComponentType();
036        if (arrayType instanceof Class<?> && ((Class<?>)arrayType).isArray())
037            return ((Class<?>)arrayType).getComponentType();
038        return null;
039    }
040
041    public static Object newArray(Type componentType, int length) {
042        return Array.newInstance(TypeUtil.classOfType(componentType), length);
043    }
044}