/Java/Primefaces calendar min date validation

Primefaces calendar min date validation

<p:outputLabel for="piBirthDay" value="Example label" />
<p:datePicker id="piBirthDay"
  validatorMessage="You are not allowed"
  value="#{data.motorbikePlateRequest.bikeOwner.birthday}"
  showTime="false" required="true">
    <f:validator binding="#{greaterOrEqual18YearOldValidator}" />
</p:datePicker>

=============================

import java.time.LocalDate;
import java.time.ZoneId;
import java.util.Arrays;
import java.util.Date;

import javax.faces.application.FacesMessage;
import javax.faces.bean.ManagedBean;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.validator.Validator;
import javax.faces.validator.ValidatorException;

@ManagedBean(name = "greaterOrEqual18YearOldValidator")
public class GreaterOrEqual18YearOldValidator implements Validator {

	@Override
	public void validate(FacesContext context, UIComponent component, Object value) throws ValidatorException {
		if (value == null) {
			return;
		}

		if (!isGreaterOrEqual18YearOld((Date) value)) {
			String message = "You are not allowed to make a request";
			FacesMessage facesMessage = new FacesMessage(FacesMessage.SEVERITY_ERROR, "Validation Error", message);

			throw new ValidatorException(Arrays.asList(facesMessage));
		}
	}

	private boolean isGreaterOrEqual18YearOld(Date value) {
		final int YEAR_OLD = 18;
		LocalDate idealDateTime = this.convertToLocalDateViaInstant(value).plusYears(YEAR_OLD);
		return idealDateTime.compareTo(LocalDate.now()) < 0; // when the ideal date time less than now
	}

	private LocalDate convertToLocalDateViaInstant(Date dateToConvert) {
		return dateToConvert.toInstant().atZone(ZoneId.systemDefault()).toLocalDate();
	}
}

Source: grepper.com

Similar codes

1 vote152 views2 answers
How to uninstall java openjdk in linux
Java
0 vote141 views1 answer
Java substring based on delimiter
Java
0 vote159 views2 answers
How to get width android
Java
0 vote138 views1 answer
Buscando Objeto do Array
Java
3 votes153 views1 answer
Know the version of maven
Java
1 vote157 views1 answer
Spring serve robots.txt
Java Spring
0 vote146 views1 answer
Objectmapper maven Dependency
Java
0 vote132 views1 answer
Attempt to invoke virtual method 'java.lang.String com.google.android.gms.auth.api.signin.GoogleSignInAccount.getIdToken()' on a null object reference com.pravin.yashlalit.msbtestudymaterial.Authentications.SigninActivity.FirebaseGoogleAuth
Java
0 vote162 views1 answer
If ternaire java
Java
0 vote138 views1 answer
Are classes in java public by default
Java