com.javacreed.examples.maven.um.Calculator.java Source code

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Here is the source code for com.javacreed.examples.maven.um.Calculator.java

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/**
 * Copyright 2012-2014 Java Creed.
 * 
 * Licensed under the Apache License, Version 2.0 (the "<em>License</em>");
 * 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 com.javacreed.examples.maven.um;

import org.apache.commons.lang3.math.NumberUtils;

public class Calculator {

    public double add(final double... numbers) {
        double total = 0;
        for (final double number : numbers) {
            total += number;
        }
        return total;
    }

    public double[] parseNumbers(final String text) {
        final String[] parts = text.split(" ");
        final double[] numbers = new double[parts.length];
        for (int i = 0; i < parts.length; i++) {
            if (NumberUtils.isNumber(parts[i])) {
                numbers[i] = Double.parseDouble(parts[i]);
            }
        }

        return numbers;
    }
}