package br.com.caelum.stella.validation.ie;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Pattern;
import br.com.caelum.stella.MessageProducer;
import br.com.caelum.stella.ValidationMessage;
import br.com.caelum.stella.validation.BaseValidator;
import br.com.caelum.stella.validation.InvalidValue;
import br.com.caelum.stella.validation.Validator;
import br.com.caelum.stella.validation.error.IEError;
public abstract class AbstractIEValidator implements Validator<String> {
private final boolean isFormatted;
private final BaseValidator baseValidator;
public AbstractIEValidator() {
this(true);
}
public AbstractIEValidator(boolean isFormatted) {
this.isFormatted = isFormatted;
this.baseValidator = new BaseValidator();
}
public AbstractIEValidator(MessageProducer messageProducer,
boolean isFormatted) {
this.baseValidator = new BaseValidator(messageProducer);
this.isFormatted = isFormatted;
}
private List<InvalidValue> getInvalidValues(String IE) {
List<InvalidValue> errors = new ArrayList<InvalidValue>();
errors.clear();
if (IE != null) {
String unformatedIE = checkForCorrectFormat(IE, errors);
if (errors.isEmpty()) {
if (!hasValidCheckDigits(unformatedIE)) {
errors.add(IEError.INVALID_CHECK_DIGITS);
}
}
}
return errors;
}
protected String checkForCorrectFormat(String ie, List<InvalidValue> errors) {
String unformatedIE = null;
if (isFormatted) {
if (!(getFormattedPattern().matcher(ie).matches())) {
errors.add(IEError.INVALID_FORMAT);
}
unformatedIE = ie.replaceAll("\\D", "");
} else {
if (!getUnformattedPattern().matcher(ie).matches()) {
errors.add(IEError.INVALID_DIGITS);
}
unformatedIE = ie;
}
return unformatedIE;
}
protected abstract Pattern getUnformattedPattern();
protected abstract Pattern getFormattedPattern();
public boolean isEligible(String value) {
boolean result;
if (isFormatted) {
result = getFormattedPattern().matcher(value).matches();
} else {
result = getUnformattedPattern().matcher(value).matches();
}
return result;
}
public void assertValid(String IE) {
baseValidator.assertValid(getInvalidValues(IE));
}
public List<ValidationMessage> invalidMessagesFor(String IE) {
return baseValidator.generateValidationMessages(getInvalidValues(IE));
}
protected abstract boolean hasValidCheckDigits(String value);
}