?? objectutils.java
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/* ===================================================
* JCommon : a free general purpose Java class library
* ===================================================
*
* Project Info: http://www.jfree.org/jcommon/index.html
* Project Lead: David Gilbert (david.gilbert@object-refinery.com);
*
* (C) Copyright 2000-2003, by Object Refinery Limited and Contributors.
*
* This library is free software; you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Foundation;
* either version 2.1 of the License, or (at your option) any later version.
*
* This library 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* ----------------
* ObjectUtils.java
* ----------------
* (C) Copyright 2003, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* $Id: ObjectUtils.java,v 1.3 2003/06/03 22:35:18 mungady Exp $
*
* Changes
* -------
* 25-Mar-2003 : Version 1 (DG);
*
*/
package org.jfree.util;
/**
* Useful static utility methods.
*
* @author David Gilbert
*/
public class ObjectUtils {
/**
* Returns <code>true</code> if the two objects are equal OR both <code>null</code>.
*
* @param o1 object 1.
* @param o2 object 2.
*
* @return <code>true</code> or <code>false</code>.
*/
public static boolean equalOrBothNull(Object o1, Object o2) {
if (o1 != null) {
return o1.equals(o2);
}
else {
return (o2 == null);
}
}
}
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