Commit b9892eb5 authored by Attila Bódis's avatar Attila Bódis 👻
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parent 40fdd6a7
package eu.greyson.JavaTestRefactor;
import org.apache.commons.lang3.StringUtils;
import java.math.BigDecimal;
public class Validate {
public static final String QUIT = "quit";
public static final String VALIDATION_EXIT = "Exiting application.";
public static final String VALIDATION_INVALID_INPUT = "Invalid input: ";
public static final String VALIDATION_3_LETTERS = "Invalid input. Currency must be 3 letters !";
public static final String VALIDATION_AMOUNT_NUMBER = "Invalid input. Amount must consit of only numbers!";
* Input validation for the file or keyboard input
* @param input String representations of payment or other text (like the "quit" abort keyword)
* @return <b>true</b> only if the payment string representation has a 3 letter currency and a number amount
* <p><b>false</b> if invalid payment or aborting application using the "quit" string
public boolean isValidInputFormat(String input) {
if (QUIT.equals(input)) {
return false;
if (StringUtils.isBlank(input)) {
return false;
String[] paymentSplit = input.trim().split(" ");
if (paymentSplit.length != 2) {
System.out.println(VALIDATION_INVALID_INPUT + input);
return false;
if (paymentSplit[0].length() != 3) {
return false;
try {
new BigDecimal(paymentSplit[1]);
} catch (NumberFormatException nfe) {
return false;
return true;
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