| /******************************************************************************* |
| * 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(); |
| } |
| } |