Copier du HTML entre deux JEditorPane

En utilisant les editor kit.

Petit exemple dégueulasse:
Code:
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package fr.sca.tests.HTMLEditorPaneTest;
 
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.IOException;
import java.io.StringWriter;
 
import javax.swing.AbstractAction;
import javax.swing.JButton;
import javax.swing.JEditorPane;
import javax.swing.JFrame;
import javax.swing.text.BadLocationException;
import javax.swing.text.html.HTMLDocument;
import javax.swing.text.html.HTMLEditorKit;
 
/**
 * Hello world!
 * 
 */
public class App {
 
    private JEditorPane ePane;
    private JEditorPane emptyEPane;
    private HTMLEditorKit kit = new HTMLEditorKit();
    private HTMLEditorKit emptyKit = new HTMLEditorKit();
 
    private String htmlContent="<html><head></head><body>blabla<br><font color=\"#FFCC66\"><b>foobar</b></font><br>blabla</body></html>";
 
    public App() {
        ePane = new JEditorPane();
        //ePane.setEditorKit(new HTMLEditorKit());
        ePane.setEditable(false);
        ePane.setEditorKit(kit);
        ePane.setContentType("text/html");
        ePane.setText(htmlContent);
 
        emptyEPane = new JEditorPane();
        emptyEPane.setEditorKit(emptyKit);
        emptyEPane.setDocument(new HTMLDocument());
        emptyEPane.setEditable(false);
        emptyEPane.setContentType("text/html");
 
 
        JButton copyButton = new JButton("Copy");
        copyButton.addActionListener(new ActionListener() {
 
            @Override
            public void actionPerformed(ActionEvent e) {
                System.out.println(ePane.getSelectedText());
                System.out.println(ePane.getText());
                StringWriter writer = new StringWriter();
                try {
                    kit.write(writer, ePane.getDocument(), ePane.getSelectionStart(), ePane.getSelectedText().length());
                } catch (IOException e1) {
                    // TODO Auto-generated catch block
                    e1.printStackTrace();
                } catch (BadLocationException e1) {
                    // TODO Auto-generated catch block
                    e1.printStackTrace();
                }
                System.out.println(writer.toString());
                try {
                    HTMLDocument doc = (HTMLDocument) emptyEPane.getDocument();
                    kit.insertHTML(doc, 0, writer.toString(), 0, 0, null);
                } catch (BadLocationException e1) {
                    // TODO Auto-generated catch block
                    e1.printStackTrace();
                } catch (IOException e1) {
                    // TODO Auto-generated catch block
                    e1.printStackTrace();
                }
            }
        });
 
        JFrame f = new JFrame();
        f.add(ePane);
        f.add(emptyEPane,BorderLayout.EAST);
        f.add(copyButton,BorderLayout.WEST);
        f.setSize(800, 600);
        f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
        f.setLocationRelativeTo(null);
        f.setVisible(true);
    }
 
    public static void main(String[] args) {
        new App();
    }
}