/*
* ObjectLab, http://www.objectlab.co.uk/open is sponsoring the ObjectLab Kit.
*
* Based in London, we are world leaders in the design and development
* of bespoke applications for the securities financing markets.
*
* <a href="http://www.objectlab.co.uk/open">Click here to learn more</a>
* ___ _ _ _ _ _
* / _ \| |__ (_) ___ ___| |_| | __ _| |__
* | | | | '_ \| |/ _ \/ __| __| | / _` | '_ \
* | |_| | |_) | | __/ (__| |_| |__| (_| | |_) |
* \___/|_.__// |\___|\___|\__|_____\__,_|_.__/
* |__/
*
* www.ObjectLab.co.uk
*
* $Id: AbstractDateCalculator.java 309 2010-03-23 21:01:49Z marchy $
*
* Copyright 2006 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 net.objectlab.kit.util;
import java.math.BigDecimal;
public final class ObjectUtil {
private ObjectUtil() {
}
/**
* Return true if i1 equals (according to {@link Integer#equals(Object)}) 12.
* Also returns true if 11 is null and 12 is null! Is safe on either 11 or 12 being null.
*/
public static boolean equalsValue(final Integer i1, final Integer i2) {
if (i1 == null) {
return i2 == null;
}
return i1.equals(i2);
}
/**
* Return true if bd1 has the same value (according to
* {@link BigDecimalUtil#isSameValue(BigDecimal, BigDecimal)}, which takes care of different scales)
* as bd2.
* Also returns true if bd1 is null and bd2 is null! Is safe on either bd1 or bd2 being null.
*/
public static boolean equalsValue(final BigDecimal bd1, final BigDecimal bd2) {
if (bd1 == null) {
return bd2 == null;
}
return BigDecimalUtil.isSameValue(bd1, bd2);
}
/**
* Return true if o1 equals (according to {@link Object#equals(Object)}) o2.
* Also returns true if o1 is null and o2 is null! Is safe on either o1 or o2 being null.
*/
public static boolean equalsValue(final Object o1, final Object o2) {
if (o1 == null) {
return o2 == null;
}
return o1.equals(o2);
}
/**
* Return true if o1 equals (according to {@link Object#equals(Object)} any of the given objects.
* Also returns true if o1 is null and any of the given objects is null as well!
*/
public static boolean equalsAny(final Object o1, final Object... o2s) {
for (final Object o2 : o2s) {
if (o1 == null) {
if (o2 == null) {
return true;
}
continue;
}
// o1 != null
if (o1.equals(o2)) {
return true;
}
}
return false;
}
/**
* Return true if o1 equals (according to {@link Object#equals(Object)} ALL of the given objects.
*/
public static boolean equalsAll(final Object o1, final Object... o2s) {
for (final Object o2 : o2s) {
if (o1 == null) {
if (o2 != null) {
return false;
}
continue;
}
// o1 != null
if (!o1.equals(o2)) {
return false;
}
}
return true;
}
/**
* Return true if o1 does NOT equal (according to {@link Object#equals(Object)} any of the given objects.
* Also returns false if o1 is null and any of the given objects is null as well!
*/
public static boolean notEqualsAny(final Object o1, final Object... o2s) {
return !equalsAny(o1, o2s);
}
/**
* Return true if any of the given objects are null.
*/
public static boolean anyNull(final Object... o1s) {
for (final Object o1 : o1s) {
if (o1 == null) {
return true;
}
}
return false;
}
/**
* Return true if ALL of the given objects are null.
*/
public static boolean allNull(final Object... o1s) {
for (final Object o1 : o1s) {
if (o1 != null) {
return false;
}
}
return true;
}
/**
* Return true if at least one of the given objects is not null.
*/
public static boolean atLeastOneNotNull(final Object... o1s) {
for (final Object o1 : o1s) {
if (o1 != null) {
return true;
}
}
return false;
}
/**
* Return true if NONE of the given objects are null.
*/
public static boolean noneNull(final Object... o1s) {
return !anyNull(o1s);
}
}