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/*******************************************************************************
* Copyright (c) 2002-2005 IBM Corporation and others.
* 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:
* IBM - Initial API and implementation
*******************************************************************************/
package org.eclipse.wst.wsi.internal.core.util;
/**
* The utility class to automate null checking.
*
* @author Kulik
*/
public final class NullUtil
{
/**
* The method checks objects on existence and compare with <code>equals</code> method.
* @param o1 first object.
* @param o2 second object.
* @return true if first object is equal to the second object.
*/
public static boolean equals(Object o1, Object o2)
{
return ((o1 == null && o2 == null) || (o1 != null && o1.equals(o2)));
}
/**
* The method checks object on existence and returns its string representation with <code>toString()</code> method.
* @param o source object.
* @return string representation of object.
*/
public static String toString(Object o)
{
return (o == null) ? null : o.toString();
}
}
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