package br.com.caelum.stella.hibernate.validator;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import org.hibernate.validator.Validator;
import br.com.caelum.stella.type.Estado;
/**
* Valida a cadeia gerada através do método {@linkplain #toString()} para
* verificar se ela está de acordo com o padrão de Inscricao Estadual, no estado epecificado.
*
* @author Leonardo Bessa
*/
public class StellaIEValidator implements Validator<IE> {
private br.com.caelum.stella.validation.Validator<String> stellaValidator;
private IE ie;
/**
* @see org.hibernate.validator.Validator#initialize(java.lang.annotation.Annotation)
*/
public void initialize(IE ie) {
this.ie = ie;
}
/**
* @see org.hibernate.validator.Validator#isValid(java.lang.Object)
*/
public boolean isValid(Object obj) {
try {
if (obj != null) {
String ieValue = getIEValue(obj);
String estadoValue = getEstadoValue(obj);
final AnnotationMessageProducer annotationMessageProducer = new AnnotationMessageProducer(
ie);
if (ieValue.trim().length() == 0) {
return true;
} else {
try {
final Estado estado = Estado.valueOf(estadoValue);
stellaValidator = estado.getIEValidator(annotationMessageProducer,ie.formatted());
} catch (IllegalArgumentException e) {
return false;
}
return stellaValidator.invalidMessagesFor(ieValue)
.isEmpty();
}
} else {
return true;
}
} catch (SecurityException e) {
throw new RuntimeException(e.getCause());
} catch (NoSuchMethodException e) {
throw new RuntimeException(e.getCause());
} catch (IllegalAccessException e) {
throw new RuntimeException(e.getCause());
} catch (InvocationTargetException e) {
throw new RuntimeException(e.getCause());
}
}
private String getEstadoValue(Object obj) throws NoSuchMethodException,
IllegalAccessException, InvocationTargetException {
Method getEstadoMethod = obj.getClass().getMethod(
camelCaseGetFieldName(ie.estadoField()));
String estadoValue = getEstadoMethod.invoke(obj).toString();
return estadoValue;
}
private String getIEValue(Object obj) throws NoSuchMethodException,
IllegalAccessException, InvocationTargetException {
Method getIeMethod = obj.getClass().getMethod(
camelCaseGetFieldName(ie.ieField()));
String ieValue = getIeMethod.invoke(obj).toString();
return ieValue;
}
private String camelCaseGetFieldName(String fieldName) {
return "get" + fieldName.substring(0, 1).toUpperCase()
+ fieldName.substring(1);
}
}