FuncionariosBean.java

package com.algaworks.cursojavaee;

import java.io.Serializable;
import java.math.BigDecimal;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import javax.faces.bean.ManagedBean;
import javax.faces.bean.ViewScoped;

@ManagedBean
@ViewScoped
public class FuncionariosBean implements Serializable {

	private static final long serialVersionUID = 1L;

	private static final String[] nomes = { "João", "Maria", "José", "Eduardo", "Sebastião", "Mariana", "Francisco",
		"Manoel", "Fernanda", "Gabriela", "Mário", "Marcos" };
	
	private static final String[] sobrenomes = { "Souza", "Silva", "Andrade", "Machado", "Júnior", "Albuquerque",
		"Alencar", "Assis", "Batista", "Camargo", "Coelho", "Costa", "Dias", "Rosa", "Leal", "Lima", "Leite" };
	
	private List<Funcionario> funcionarios;

	public FuncionariosBean() throws ParseException {
		funcionarios = new ArrayList<>();
		
		for (int i = 0; i < 50; i++) {
			adicionarFuncionario();
		}
	}
	
	private void adicionarFuncionario() {
		String nomeCompleto = getNomeAleatorio() + " " + getSobrenomeAleatorio() + " " + getSobrenomeAleatorio();
		funcionarios.add(new Funcionario(getMatriculaAleatoria(), nomeCompleto, getDataAleatoria(), 
				getSalarioAleatorio()));
	}
	
	private BigDecimal getSalarioAleatorio() {
		return new BigDecimal(1000 + (Math.random() * 29000));
	}
	
	private Long getMatriculaAleatoria() {
		return (long) (Math.random() * 10000);
	}
	
	private Date getDataAleatoria() {
		long dezAnosEmMillis = 24 * 60 * 60 * 1000;
		long periodoSorteadoEmMillis = ((long) (Math.random() * 10 * 365)) * dezAnosEmMillis;
		return new Date(System.currentTimeMillis() - periodoSorteadoEmMillis);
	}
	
	private String getSobrenomeAleatorio() {
		int posicao = (int) Math.round(Math.random() * (sobrenomes.length - 1));
		return sobrenomes[posicao];
	}
	
	private String getNomeAleatorio() {
		int posicao = (int) Math.round(Math.random() * (nomes.length - 1));
		return nomes[posicao];
	}

	public List<Funcionario> getFuncionarios() {
		return funcionarios;
	}
	
}