/*
* Copyright (c) 2005-2011 Grameen Foundation USA
* All rights reserved.
*
* 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.
*
* See also http://www.apache.org/licenses/LICENSE-2.0.html for an
* explanation of the license and how it is applied.
*/
package org.mifos.framework.util.helpers;
import java.math.BigDecimal;
import org.apache.commons.lang.ObjectUtils;
public class NumberUtils {
public static Short convertIntegerToShort(Integer intValue) {
if (intValue == null) {
return null;
}
return intValue.shortValue();
}
public static Integer convertShortToInteger(Short shortValue) {
if (shortValue == null) {
return null;
}
return shortValue.intValue();
}
public static boolean isDigits(String number) {
if (number == null) {
return false;
}
if (number.startsWith("-")) {
number = number.substring(1);
}
return org.apache.commons.lang.math.NumberUtils.isDigits(number);
}
public static BigDecimal getPercentage(Number part, Number full) {
float fullValue = full.floatValue();
if (fullValue == 0.0) {
return BigDecimal.ZERO;
}
return BigDecimal.valueOf(part.floatValue() / fullValue * 100f);
}
public static boolean isBetween(Comparable start, Comparable end, Comparable value) {
return start.compareTo(value) <= 0 && end.compareTo(value) >= 0;
}
public static Integer nullSafeValue(Integer value, int defaultValue) {
if (value == null) {
return defaultValue;
}
return value;
}
public static Integer nullSafeValue(Integer value) {
return nullSafeValue(value, org.apache.commons.lang.math.NumberUtils.INTEGER_ZERO);
}
public static <T extends Comparable<T>> T min(T comparable1, T comparable2) {
return (T) ObjectUtils.min(comparable1, comparable2);
}
public static <T extends Comparable<T>> T max(T comparable1, T comparable2) {
return (T) ObjectUtils.max(comparable1, comparable2);
}
public static <T extends Comparable<T>> boolean isSecondValueGreaterThanFirstValue(T first, T second) {
return first == null || second != null && second.compareTo(first) > 0;
}
}