Ireport 2.0.4 - Filtro de Relatorio

botao1.addActionListener(new ActionListener() {   
               
            public void actionPerformed(ActionEvent e) {   
            	  RelatorioCliente rep = new RelatorioCliente();  
                  JasperPrint relat;  
                  Cliente f = new Cliente();
                  try {  
                		f.setData(b.getSelectedDate());
                      relat = rep.gerarRelatorioCliente();  
                      JasperViewer.viewReport(relat, false);  
                  } catch (Exception e1) {  
                      e1.printStackTrace();  
                  }  
//                 
            }   
            });

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;

import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;

import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperPrint;
import Modelo.Cliente;

 

public class RelatorioCliente 
{ 
	Connection con;
	
	private String converteData(Calendar data) {
		// TODO Auto-generated method stub
		return new SimpleDateFormat("dd/MM/yyyy").format(new Date().getTime());
	}
	 private static EntityManagerFactory fabricaDeEntidades = null;  
     
     private static EntityManager gerenciador = null;  

	public JasperPrint gerarRelatorioCliente() 
	throws Exception
	{ 
		JasperPrint rel=null;
	
	String url = "jdbc:postgresql://localhost:5432/TurmaN40";
	
	  try { 
    	Class.forName("org.postgresql.Driver");
    } catch(java.lang.ClassNotFoundException e1) { 
        System.err.print("ClassNotFoundException: "); 
        System.err.println(e1.getMessage()); 
    } 
    try { 
        con = DriverManager.getConnection(url,"postgres", "postgres"); 
    } catch(SQLException ex) { 
        System.err.print("SQLException: "); 
        System.err.println(ex.getMessage()); 

    }

    try	{ // Connection con = Conexao.criaConexao(); 
	HashMap<String, JasperPrint> map= new HashMap<String, JasperPrint>();
	Cliente sb = new Cliente();
	map.put("data: " + converteData(sb.getData()) +"\n",rel);
	System.out.println("imprimi data"+map);
	String arquivoJasper= "C:\\vidracaria\\RelatorioCliente.jasper"; 
	rel=JasperFillManager.fillReport(arquivoJasper,map,con);
	con.close();
	
	}
	catch (JRException e)
	{ e.printStackTrace(); 
	} 
	return rel; 
	}

}

select*from cliente where data = Date($P{data})