Boa tarde, pessoal estou travado em alguns erros no meu código, estou fazendo um programa que insere materiais em um banco de dados postgres.Mas tem alguns erros acho que de Orientação mas não to conseguindo resolver, alguém me mostra o que não estou conseguindo ver? qual o erro e como souciona?
Estou usando Swing e o netbeans 6.8
link do projeto… http://www.4shared.com/file/Fl_f-Onl/recepcao.html
Código:
[b]\Projeto recepcao
\pacote visao
\classe CadastroMaterial[/b]
[code]package Visao;
import Modelo.MaterialModelo;
public class CadastroMaterial extends javax.swing.JFrame {
public CadastroMaterial() {
initComponents();
}
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jLabel1 = new javax.swing.JLabel();
jtfMaterial = new javax.swing.JTextField();
cadastrar = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jLabel1.setText("Material");
cadastrar.setText("Cadastrar");
cadastrar.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
cadastrarActionPerformed(evt);
}
});
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(cadastrar)
.addGroup(layout.createSequentialGroup()
.addComponent(jLabel1)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jtfMaterial, javax.swing.GroupLayout.PREFERRED_SIZE, 230, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addContainerGap(112, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel1)
.addComponent(jtfMaterial, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(18, 18, 18)
.addComponent(cadastrar)
.addContainerGap(228, Short.MAX_VALUE))
);
pack();
}// </editor-fold>
private void cadastrarActionPerformed(java.awt.event.ActionEvent evt) {
try {
String material = jtfMaterial.getText();
MaterialModelo material = new MaterialModelo();
material.setMaterial(material);
} catch (Exception e) {
}
}
public static void main(String args[]) {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new CadastroMaterial().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JButton cadastrar;
private javax.swing.JLabel jLabel1;
private javax.swing.JTextField jtfMaterial;
// End of variables declaration
}[/code]
\Classe Inicio
[code]package Visao;
public class Inicio extends javax.swing.JFrame {
CadastroMaterial frmCadastroMaterial = new CadastroMaterial();
public Inicio() {
initComponents();
menu.add(frmCadastroMaterial);
}
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
menu = new javax.swing.JMenuBar();
jMenu1 = new javax.swing.JMenu();
jMenuItem1 = new javax.swing.JMenuItem();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jMenu1.setText("Inicio");
jMenu1.setBorderPainted(true);
jMenu1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jMenu1ActionPerformed(evt);
}
});
jMenuItem1.setText("cadastro");
jMenu1.add(jMenuItem1);
menu.add(jMenu1);
jMenu1.getAccessibleContext().setAccessibleName("Inicio\nteste");
setJMenuBar(menu);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 400, Short.MAX_VALUE)
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 120, Short.MAX_VALUE)
);
pack();
}// </editor-fold>
private void jMenu1ActionPerformed(java.awt.event.ActionEvent evt) {
frmCadastroMaterial.setVisible(true);
}
public static void main(String args[]) {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new Inicio().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JMenu jMenu1;
private javax.swing.JMenuItem jMenuItem1;
private javax.swing.JMenuBar menu;
// End of variables declaration
}[/code]
\pacote modelo
\classe MaterialModelo
[code]
package Modelo;
public class MaterialModelo {
private String material;
public String getMaterial() {
return material;
}
public void setMaterial(String material) {
this.material = material;
}
}[/code]
\pacote excecao
\classe MaterialExcecao
[code]package Excecao;
import Modelo.MaterialModelo;
public class MaterialExcecao extends Exception {
private MaterialModelo material;
public MaterialExcecao(String string) {
throw new UnsupportedOperationException("driver de conexao");
}
public MaterialModelo getMaterial() {
return material;
}
public void setMaterial(MaterialModelo material) {
this.material = material;
}
}[/code]
\pacote dados
\classe Conexao
[code]package Dados;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
public class Conexao {
public Connection getConnection() throws ClassNotFoundException, SQLException {
Class.forName("org.postgresql.Driver");
String url = "jdbc:postgresql://localhost:5432/recepcao";
String user = "postgres";
String password = "adminadmin";
Connection con = DriverManager.getConnection(url, user, password);
return con;
}
}[/code]
\classe MaterialDados
[code]package Dados;
import Excecao.MaterialExcecao;
import Modelo.MaterialModelo;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
public class MaterialDado {
public void incluir(MaterialModelo material) throws MaterialExcecao, SQLException {
try {
Connection con = new Conexao().getConnection();
String sql = "insert into materiais (material) values ('" + material + "')";
PreparedStatement stm = con.prepareStatement(sql);
stm.setString(material.getMaterial());
stm.executeUpdate();
} catch (ClassNotFoundException ex) {
throw new MaterialExcecao("FFFUUUUUUUUU.\n" + ex.getMessage() + "\n(Material.cadastro)");
} catch (SQLException ex) {
throw new MaterialExcecao("FFUUUUUUnao salvou. \n" + ex.getMessage() + "\n(Material.cadastro)");
}
}
}[/code]
[b]\classe MaterialException o netbeans insistiu para que eu criasse essa…[/b][code]/*
- To change this template, choose Tools | Templates
- and open the template in the editor.
*/
package Dados;
/**
*
-
@author de
*/
class MaterialException {public MaterialException(String string) {
}
}[/code]
\pacote controle
\classe MaterialControle
[code]package Controle;
import Excecao.MaterialExcecao;
import Dados.MaterialDado;
import Modelo.MaterialModelo;
public class MaterialControle {
public void cadastrar(MaterialModelo modelo) throws MaterialExcecao {
try {
validarMaterial(material.getNome());
MaterialDado materialVal = new MaterialDado();
materialVal.incluir(material);
} catch (MaterialExcecao ex) {
MaterialExcecao nex = new MaterialExcecao(ex.getMessage() + "\n(incluindo material)");
nex.setCliente(material);
throw nex;
}
}
}[/code]
