/*
* This program is free software; you can redistribute it and/or modify it under the terms of
* the GNU General Public License as published by the Free Software Foundation; either version 3 of the License,
* or (at your option) any later version.
*
* This program 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 General Public License for more details.
* You should have received a copy of the GNU General Public License along with this program;
* if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
package com.meidusa.amoeba.util;
/**
* �ݹ�رȽ����������Ƿ���ͬ��֧�ֶ�ά����
* ����ȽϵĶ��������飬��˷����Ľ��ͬ<code>ObjectUtil.equals</code>��
* @author Li Hui
*
*/
public class ObjectUtil {
/**
* �ݹ�رȽ����������Ƿ���ͬ��֧�ֶ�ά���顣
*
* <p>
* ����ȽϵĶ��������飬��˷����Ľ��ͬ<code>ObjectUtil.equals</code>��
* </p>
*
* @param array1 ����1
* @param array2 ����2
*
* @return ������, ��<code>true</code>
*/
@SuppressWarnings("unchecked")
public static boolean equals(Object array1, Object array2) {
if (array1 == array2) {
return true;
}
if ((array1 == null) || (array2 == null)) {
return false;
}
Class clazz = array1.getClass();
if (!clazz.equals(array2.getClass())) {
return false;
}
if (!clazz.isArray()) {
return array1.equals(array2);
}
// array1��array2Ϊͬ���͵�����
if (array1 instanceof long[]) {
long[] longArray1 = (long[]) array1;
long[] longArray2 = (long[]) array2;
if (longArray1.length != longArray2.length) {
return false;
}
for (int i = 0; i < longArray1.length; i++) {
if (longArray1[i] != longArray2[i]) {
return false;
}
}
return true;
} else if (array1 instanceof int[]) {
int[] intArray1 = (int[]) array1;
int[] intArray2 = (int[]) array2;
if (intArray1.length != intArray2.length) {
return false;
}
for (int i = 0; i < intArray1.length; i++) {
if (intArray1[i] != intArray2[i]) {
return false;
}
}
return true;
} else if (array1 instanceof short[]) {
short[] shortArray1 = (short[]) array1;
short[] shortArray2 = (short[]) array2;
if (shortArray1.length != shortArray2.length) {
return false;
}
for (int i = 0; i < shortArray1.length; i++) {
if (shortArray1[i] != shortArray2[i]) {
return false;
}
}
return true;
} else if (array1 instanceof byte[]) {
byte[] byteArray1 = (byte[]) array1;
byte[] byteArray2 = (byte[]) array2;
if (byteArray1.length != byteArray2.length) {
return false;
}
for (int i = 0; i < byteArray1.length; i++) {
if (byteArray1[i] != byteArray2[i]) {
return false;
}
}
return true;
} else if (array1 instanceof double[]) {
double[] doubleArray1 = (double[]) array1;
double[] doubleArray2 = (double[]) array2;
if (doubleArray1.length != doubleArray2.length) {
return false;
}
for (int i = 0; i < doubleArray1.length; i++) {
if (Double.doubleToLongBits(doubleArray1[i]) != Double.doubleToLongBits(doubleArray2[i])) {
return false;
}
}
return true;
} else if (array1 instanceof float[]) {
float[] floatArray1 = (float[]) array1;
float[] floatArray2 = (float[]) array2;
if (floatArray1.length != floatArray2.length) {
return false;
}
for (int i = 0; i < floatArray1.length; i++) {
if (Float.floatToIntBits(floatArray1[i]) != Float.floatToIntBits(floatArray2[i])) {
return false;
}
}
return true;
} else if (array1 instanceof boolean[]) {
boolean[] booleanArray1 = (boolean[]) array1;
boolean[] booleanArray2 = (boolean[]) array2;
if (booleanArray1.length != booleanArray2.length) {
return false;
}
for (int i = 0; i < booleanArray1.length; i++) {
if (booleanArray1[i] != booleanArray2[i]) {
return false;
}
}
return true;
} else if (array1 instanceof char[]) {
char[] charArray1 = (char[]) array1;
char[] charArray2 = (char[]) array2;
if (charArray1.length != charArray2.length) {
return false;
}
for (int i = 0; i < charArray1.length; i++) {
if (charArray1[i] != charArray2[i]) {
return false;
}
}
return true;
} else {
Object[] objectArray1 = (Object[]) array1;
Object[] objectArray2 = (Object[]) array2;
if (objectArray1.length != objectArray2.length) {
return false;
}
for (int i = 0; i < objectArray1.length; i++) {
if (!equals(objectArray1[i], objectArray2[i])) {
return false;
}
}
return true;
}
}
}