EqualsUtil.java

package org.drugis.common;

public class EqualsUtil {

	public static boolean equal(Object o1, Object o2) {
		return o1 == null ? o2 == null : o1.equals(o2);
	}
	
	public static int hashCode(Object o) { 
		return o != null ? o.hashCode() : 0;
	}
}