Abrindo um formulário pelo nome da classe

[Luiz_Augusto_Prado]

Alguns dias atras o Caximbs perguntou algo sobre isso.
Como o banco de dados teve um problema, estou repostando os fontes:

package frameobject;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JFrame;

/**
 *
 * @author Luiz Augusto Prado
 */
public class FrameObject
{

	public void openFrame(Object classname) throws ClassNotFoundException, NoSuchMethodException, InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException
	{

		Class<?> c = Class.forName(classname.getClass().getName() + "JFrame");
		Object o = (Object) c.newInstance();
		Method m1 = c.getDeclaredMethod("abrir", new Class[]{ boolean.class });
		//c.getDeclaredField("teste").
		Method m2 = c.getDeclaredMethod("setData", new Class[]{ Object.class });

		m1.invoke(o, true);
		m2.invoke(o, classname);
	}

	public FrameObject()
	{
		/* Create and display the form */
		java.awt.EventQueue.invokeLater(new Runnable()
		{

			public void run()
			{

				try
				{
					// invento qualquer classe aqui
					exemplo e = new exemplo();
					
					
					openFrame(e);
				}
				catch (ClassNotFoundException ex)
				{
					Logger.getLogger(FrameObject.class.getName()).log(Level.SEVERE, null, ex);
				}
				catch (NoSuchMethodException ex)
				{
					Logger.getLogger(FrameObject.class.getName()).log(Level.SEVERE, null, ex);
				}
				catch (InstantiationException ex)
				{
					Logger.getLogger(FrameObject.class.getName()).log(Level.SEVERE, null, ex);
				}
				catch (IllegalAccessException ex)
				{
					Logger.getLogger(FrameObject.class.getName()).log(Level.SEVERE, null, ex);
				}
				catch (InvocationTargetException ex)
				{
					Logger.getLogger(FrameObject.class.getName()).log(Level.SEVERE, null, ex);
				}
				catch (IllegalArgumentException ex)
				{
					Logger.getLogger(FrameObject.class.getName()).log(Level.SEVERE, null, ex);
				}
				catch (SecurityException ex)
				{
					Logger.getLogger(FrameObject.class.getName()).log(Level.SEVERE, null, ex);
				}
			}
		});
	}

	/**
	 * @param args the command line arguments
	 */
	public static void main(String[] args)
	{
		FrameObject f = new FrameObject();
	}
}

package frameobject;

/**
 *
 * @author Luiz Augusto Prado
 */
public class exemplo
{
	public String nome;
	
	public exemplo()
	{
		this.nome = "To_Caximbs ";
	} 
}

package frameobject;

/**
 *
 * @author Luiz Augusto prado
 */
public class exemploJFrame extends javax.swing.JFrame
{

	
	
	public void setData( Object a1) 
	{
		this.txt_nome.setText(((exemplo)a1).nome);
	} 
	
	
	public void abrir( boolean v) 
	{
		setVisible(true);
	} 
	
	
	/** Creates new form exemploJFrame */
	public exemploJFrame()
	{
		initComponents();
	}

	/** This method is called from within the constructor to
	 * initialize the form.
	 * WARNING: Do NOT modify this code. The content of this method is
	 * always regenerated by the Form Editor.
	 */
	@SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">                          
    private void initComponents() {

        txt_nome = new javax.swing.JTextField();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        txt_nome.setText("jTextField1");

        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()
                .addComponent(txt_nome, javax.swing.GroupLayout.PREFERRED_SIZE, 245, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(62, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(txt_nome, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(91, Short.MAX_VALUE))
        );

        pack();
    }// </editor-fold>                        

	/**
	 * @param args the command line arguments
	 */
	public static void main(String args[])
	{
		/* Set the Nimbus look and feel */
		//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
		 * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
		 */
		try
		{
			for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels())
			{
				if ("Nimbus".equals(info.getName()))
				{
					javax.swing.UIManager.setLookAndFeel(info.getClassName());
					break;
				}
			}
		}
		catch (ClassNotFoundException ex)
		{
			java.util.logging.Logger.getLogger(exemploJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
		}
		catch (InstantiationException ex)
		{
			java.util.logging.Logger.getLogger(exemploJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
		}
		catch (IllegalAccessException ex)
		{
			java.util.logging.Logger.getLogger(exemploJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
		}
		catch (javax.swing.UnsupportedLookAndFeelException ex)
		{
			java.util.logging.Logger.getLogger(exemploJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
		}
		//</editor-fold>

		/* Create and display the form */
		java.awt.EventQueue.invokeLater(new Runnable()
		{

			public void run()
			{
				new exemploJFrame().setVisible(true);
			}
		});
	}
    // Variables declaration - do not modify                     
    private javax.swing.JTextField txt_nome;
    // End of variables declaration                   
}