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/***************************************************************************
* Copyright (c) 2004 - 2007 Eike Stepper, Germany.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Eike Stepper - initial API and implementation
**************************************************************************/
package org.eclipse.net4j.util;
import java.lang.reflect.Array;
/**
* @author Eike Stepper
*/
public final class ObjectUtil
{
private ObjectUtil()
{
}
public static boolean equals(Object o1, Object o2)
{
if (o1 == null)
{
return o2 == null;
}
return o1.equals(o2);
}
public static int hashCode(Object o)
{
if (o == null)
{
return 0;
}
return o.hashCode();
}
public static int hashCode(long num)
{
return (int)(num >> 32) ^ (int)(num & 0xffffffff);
}
public static <T> T[] appendtoArray(T[] array, T... elements)
{
T[] result = (T[])Array.newInstance(array.getClass().getComponentType(), array.length + elements.length);
System.arraycopy(array, 0, result, 0, array.length);
System.arraycopy(elements, 0, result, array.length, elements.length);
return result;
}
}
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