LoginBean.java

package org.primefaces.examples.view;

import org.primefaces.context.RequestContext;

import javax.enterprise.context.RequestScoped;
import javax.faces.application.FacesMessage;
import javax.faces.context.FacesContext;
import javax.faces.event.ActionEvent;
import javax.inject.Named;
import java.io.Serializable;

@Named
@RequestScoped
public class LoginBean implements Serializable{

	private String username;
	
	private String password;


    public String getUsername() {
		return username;
	}

	public void setUsername(String username) {
		this.username = username;
	}

	public String getPassword() {
		return password;
	}

	public void setPassword(String password) {
		this.password = password;
	}

	public void login(ActionEvent actionEvent) {
		RequestContext context = RequestContext.getCurrentInstance();
		FacesMessage msg = null;
		boolean loggedIn = false;
		
		if(username != null && username.equals("admin") && password != null && password.equals("admin")) {
			loggedIn = true;
			msg = new FacesMessage(FacesMessage.SEVERITY_INFO, "Welcome", username);
		} else {
			loggedIn = false;
			msg = new FacesMessage(FacesMessage.SEVERITY_WARN, "Login Error", "Invalid credentials");
		}
		
		FacesContext.getCurrentInstance().addMessage(null, msg);
		context.addCallbackParam("loggedIn", loggedIn);
	}
}