filter.ConexaoHibernateFilter.java Source code

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Here is the source code for filter.ConexaoHibernateFilter.java

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package filter;

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import java.io.IOException;

import javax.faces.application.FacesMessage;
import javax.faces.context.FacesContext;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

import org.apache.commons.lang.StringUtils;
import org.hibernate.SessionFactory;

import br.com.diagnosticus_action.util.HibernateUtil;

public class ConexaoHibernateFilter implements Filter {
    private String page = "loginEntrar.xhtml";
    private String paginaLogin = "/Diagnosticus_action/faces/loginEntrar.xhtml";
    private String paginaPrimeiroAcesso = "/Diagnosticus_action/faces/loginPrimeiroAcesso.xhtml";
    private String paginaRecuperarSenha = "/Diagnosticus_action/faces/loginRecuperarSenha.xhtml";

    private SessionFactory sf;

    @Override
    public void init(FilterConfig config) throws ServletException {
        this.sf = HibernateUtil.getSessionFactory();
        if (config.getInitParameter("page") != null) {
            page = config.getInitParameter("page");
        }
    }

    @Override
    public void destroy() {
    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain chain)
            throws ServletException, IOException {
        try {

            this.sf.getCurrentSession().beginTransaction();
            chain.doFilter(servletRequest, servletResponse);
            this.sf.getCurrentSession().getTransaction().commit();
            this.sf.getCurrentSession().close();
        } catch (Throwable ex) {
            try {
                if (this.sf.getCurrentSession().getTransaction().isActive()) {
                    this.sf.getCurrentSession().getTransaction().rollback();
                }
            } catch (Throwable t) {
                t.printStackTrace();
            }
            throw new ServletException(ex);
        }
        HttpServletRequest request = (HttpServletRequest) servletRequest;
        HttpSession session = request.getSession();

        // recupera o usuario adm logado da sesso
        Object login = session.getAttribute("UsuarioAtual");
        RequestDispatcher dispatcher = null;

        if (!(request.getRequestURI().equals(paginaLogin) || request.getRequestURI().equals(paginaPrimeiroAcesso)
                || request.getRequestURI().equals(paginaRecuperarSenha))) {
            if (login == null) {
                // ento envia para a pagina de acesso invalido
                dispatcher = servletRequest.getRequestDispatcher("loginEntrar.xhtml");
                dispatcher.forward(servletRequest, servletResponse);
            }

        }

    }
}