textpane issue

public class MessageDialog extends JDialog {

    public MessageDialog(java.awt.Frame parent, boolean modal,
            boolean ignoreBool) {
        super(parent, modal);
        this.ignoreBool = ignoreBool;
        initComponents();
    }

    private void initComponents() {
        GridBagConstraints gridBagConstraints;

        jScrollPane1 = new JScrollPane();
        jButton1 = new JButton();
        jButton2 = new JButton();
        final StyleContext sc = new StyleContext();
        final DefaultStyledDocument doc = new DefaultStyledDocument(sc);
        jTextPane1 = new JTextPane(doc);
        createDocumentStyles(sc);

        setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
        setTitle("Error And Warning Messages");
        setName("Form"); // NOI18N
        // setResizable(false);
        getContentPane().setLayout(new GridBagLayout());

        jScrollPane1.setName("jScrollPane1"); // NOI18N

        jTextPane1
                .setBorder(BorderFactory.createLineBorder(new Color(0, 0, 0)));
        jTextPane1.setName("jTextPane1"); // NOI18N
        jTextPane1.setEditable(false);
        jScrollPane1.setViewportView(jTextPane1);
        jScrollPane1
                .setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);

        boolean hasNoErrors = ignoreBool;

        gridBagConstraints = new GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 0;
        gridBagConstraints.gridwidth = hasNoErrors ? 3 : 2;
        gridBagConstraints.fill = GridBagConstraints.BOTH;
        gridBagConstraints.ipadx = hasNoErrors ? 405 : 383;
        gridBagConstraints.ipady = hasNoErrors ? 223 : 227;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.weighty = 1.0;
        gridBagConstraints.fill = GridBagConstraints.NONE;
        gridBagConstraints.insets = new Insets(11, 10, 0, 10);
        getContentPane().add(jScrollPane1, gridBagConstraints);

        jButton2.setText("Go Back"); // NOI18N
        jButton2.setName("jButton2"); // NOI18N
        gridBagConstraints = new GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 1;
        gridBagConstraints.fill = GridBagConstraints.NONE;
        gridBagConstraints.insets = hasNoErrors ? new Insets(18, 139, 19, 0)
                : new Insets(14, 182, 11, 0);
        jButton2.setText("Go Back");
        jButton2.setName("jButton1"); // NOI18N
        jButton2.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent arg0) {
                goBack(arg0);
            }
        });

        // gridBagConstraints.gridwidth = 2;

        gridBagConstraints.anchor = GridBagConstraints.NORTHWEST;
        getContentPane().add(jButton2, gridBagConstraints);

        if (hasNoErrors) {
            // if no errors and only warnings, display ignore button.
            jButton1.setText("Ignore"); // NOI18N
            jButton1.setName("jButton1"); // NOI18N
            gridBagConstraints = new GridBagConstraints();
            gridBagConstraints.gridx = 1;
            gridBagConstraints.gridy = 1;
            gridBagConstraints.anchor = GridBagConstraints.NORTHWEST;
            gridBagConstraints.fill = GridBagConstraints.NONE;
            gridBagConstraints.insets = new Insets(18, 18, 19, 0);
            getContentPane().add(jButton1, gridBagConstraints);
        }

    }

    private void createDocumentStyles(StyleContext sc) {

        Style defaultStyle = sc.getStyle(StyleContext.DEFAULT_STYLE);
        Style mainStyle = sc.addStyle(Message.DEFAULT_STYLE_NAME, defaultStyle);
        StyleConstants.setFontFamily(mainStyle, "serif");
        StyleConstants.setFontSize(mainStyle, 12);
        StyleConstants.setLeftIndent(mainStyle, 10);

        Style boldStyle = sc.addStyle(Message.BOLD_STYLE_NAME, null);
        StyleConstants.setBold(boldStyle, true);

        Style uppercaseUnderlineStyle = sc.addStyle(
                Message.UNDERLINE_STYLE_NAME, null);
        StyleConstants.setUnderline(uppercaseUnderlineStyle, true);
        StyleConstants.setUnderline(uppercaseUnderlineStyle, true);

    }

    protected void goBack(ActionEvent arg0) {
        hide();

    }

    public void populateMessages() {

        List messages = new ArrayList();
        messages.add(new LabelNotDefinedWarning("VD", "[VD-]"));
        messages.add(new LabelNotInDraftWarning("TT", "[TT-]"));
        Paragraph[] content = new Paragraph[messages.size()];
        Iterator iterator = messages.iterator();
        Message message = null;
        int index = 0;
        while (iterator.hasNext()) {
            message = (Message) iterator.next();
            content[index] = message.getParagraph();
            index++;
        }
        addText(content);

    }

    private void addText(Paragraph[] content) {

        StyledDocument doc = jTextPane1.getStyledDocument();
        Style logicalStyle = doc.getStyle(Message.DEFAULT_STYLE_NAME);
        // The outer loop adds paragraphs, while the
        // inner loop adds character runs.
        int paragraphs = content.length;
        for (int i = 0; i < paragraphs; i++) {
            ParagraphPart[] paraParts = content[i].content;
            for (int j = 0; j < paraParts.length; j++) {
                jTextPane1
                        .setCharacterAttributes(
                                paraParts[j].styleName == null ? SimpleAttributeSet.EMPTY
                                        : doc.getStyle(paraParts[j].styleName),
                                true);
                jTextPane1.replaceSelection(paraParts[j].content);
            }

            // At the end of the paragraph, add the logical style and
            // any overriding paragraph style and then terminate the
            // paragraph with a newline.
            jTextPane1.setParagraphAttributes(SimpleAttributeSet.EMPTY, true);

            if (logicalStyle != null) {
                jTextPane1.setLogicalStyle(logicalStyle);
            }

            if (content[i].styleName != null) {
                jTextPane1.setParagraphAttributes(doc
                        .getStyle(content[i].styleName), false);
            }

            jTextPane1.replaceSelection("\n");
            System.out.println("Textt: " + jTextPane1.getText());
        }
    }

    public static void main(String args[]) {
        // java.awt.EventQueue.invokeLater(new Runnable() {
        //
        // public void run() {
        final MessageDialog dialog = new MessageDialog(
                new javax.swing.JFrame(), true, true);
        dialog.pack();

        dialog.addWindowListener(new java.awt.event.WindowAdapter() {

            public void windowClosing(java.awt.event.WindowEvent e) {
                System.exit(0);
            }
        });
        // Document document = dialog.getTextPane().getDocument();
        // try {
        // int i = 0;
        // while (i < 30) {
        // i++;
        // document.insertString(document.getLength(),
        // "This is a test \n", new SimpleAttributeSet());
        // }
        // } catch (BadLocationException be) {
        // be.printStackTrace();
        // }
        dialog.populateMessages();

        //dialog.getTextPane().revalidate();
        System.out.println("TExt" + dialog.getTextPane().getText());
        dialog.setVisible(true);

        // }
        // });
    }

    public JTextPane getTextPane() {
        return jTextPane1;
    }

    private JButton jButton1;
    private JButton jButton2;
    private JScrollPane jScrollPane1;
    private JTextPane jTextPane1;
    private boolean ignoreBool;