com.jjcosare.calculator.service.CalculatorService.java Source code

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Here is the source code for com.jjcosare.calculator.service.CalculatorService.java

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package com.jjcosare.calculator.service;

import com.jjcosare.calculator.constants.CalculatorConstants;
import com.jjcosare.calculator.form.CalculatorForm;
import org.springframework.stereotype.Service;

/**
 *
 * @author Examinee
 */
@Service
public class CalculatorService implements ICalculatorService {

    @Override
    public CalculatorForm getCalculation(CalculatorForm calculatorForm) {
        Double result = null;
        Double a = Double.parseDouble(calculatorForm.getA());
        Double b = Double.parseDouble(calculatorForm.getB());
        String operand = calculatorForm.getCommand();
        if (operand.equalsIgnoreCase(CalculatorConstants.ADDITION)) {
            result = a + b;
            calculatorForm.setResult(result);
        } else if (operand.equalsIgnoreCase(CalculatorConstants.SUBTRACTION)) {
            result = a - b;
            calculatorForm.setResult(result);
        } else if (operand.equalsIgnoreCase(CalculatorConstants.MULTIPLICATION)) {
            result = a * b;
            calculatorForm.setResult(result);
        } else if (operand.equalsIgnoreCase(CalculatorConstants.DIVISION)) {
            result = a / b;
            calculatorForm.setResult(result);
        }
        return calculatorForm;
    }

}