/*
* Copyright 2009 The Fornax Project Team, including the original
* author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.sculptor.framework.util;
import java.math.BigDecimal;
/**
* Utility class for comparing two Objects for equality, including null check.
*
* @author Patrik Nordwall
*/
public class EqualsHelper {
private EqualsHelper() {
}
public static boolean equals(Object obj1, Object obj2) {
if (obj1 == obj2) {
return true;
}
if (obj1 == null) {
return false;
}
if (obj1 instanceof BigDecimal && obj2 instanceof BigDecimal) {
return ((BigDecimal) obj1).compareTo((BigDecimal) obj2) == 0;
}
return obj1.equals(obj2);
}
public static int computeHashCode(final Object o) {
if (null == o) {
return 19;
}
if (o.getClass().isArray()) {
return 0;
}
return o.hashCode();
}
}