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/*
  GRANITE DATA SERVICES
  Copyright (C) 2011 GRANITE DATA SERVICES S.A.S.

  This file is part of Granite Data Services.

  Granite Data Services is free software; you can redistribute it and/or modify
  it under the terms of the GNU Library General Public License as published by
  the Free Software Foundation; either version 2 of the License, or (at your
  option) any later version.

  Granite Data Services 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 Library General Public License
  for more details.

  You should have received a copy of the GNU Library General Public License
  along with this library; if not, see .
*/

package org.granite.util;

import java.lang.reflect.Array;
import java.lang.reflect.GenericArrayType;
import java.lang.reflect.Type;

/**
 * @author Franck WOLFF
 */
public class ArrayUtil {

    public static Type getComponentType(Type arrayType) {
        if (arrayType instanceof GenericArrayType)
            return ((GenericArrayType)arrayType).getGenericComponentType();
        if (arrayType instanceof Class && ((Class)arrayType).isArray())
            return ((Class)arrayType).getComponentType();
        return null;
    }

    public static Object newArray(Type componentType, int length) {
        return Array.newInstance(ClassUtil.classOfType(componentType), length);
    }
}