Mega Code Archive
Test the equality of two object arrays
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import java.lang.reflect.Array;
/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This 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 software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
public class Main {
/**
* Test the equality of two object arrays.
*
* @param a The first array.
* @param b The second array.
* @param deep True to traverse elements which are arrays.
* @return True if arrays are equal.
*/
public static boolean equals(final Object[] a, final Object[] b,
final boolean deep)
{
if (a == b) return true;
if (a == null || b == null) return false;
if (a.length != b.length) return false;
for (int i=0; i<a.length; i++) {
Object x = a[i];
Object y = b[i];
if (x != y) return false;
if (x == null || y == null) return false;
if (deep) {
if (x instanceof Object[] && y instanceof Object[]) {
if (! equals((Object[])x, (Object[])y, true)) return false;
}
else {
return false;
}
}
if (! x.equals(y)) return false;
}
return true;
}
/**
* Test the equality of two object arrays.
*
* @param a The first array.
* @param b The second array.
* @return True if arrays are equal.
*/
public static boolean equals(final Object[] a, final Object[] b) {
return equals(a, b, true);
}
}
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