Missing the content when saving HTML from JEditorPane.write(..)

Question

hi,
i m trying to develop html editor using JEditorPane. the document type used is HTMLDocument and HTMLEditorKit. when I try to save using the following function:
try{
FileWriter     w = new FileWriter("doc.html");
//HTMLEditorKit edi = (HTMLEditorKit)editorPane.getEditorKit();
EditorKit edi = editorPane.getEditorKit();
//StyledEditorKit edi = new StyledEditorKit();
//edi.write(w, (StyledDocument)editorPane.getDocument(), 0, editorPane.getDocument().getLength());
editorPane.write(w);
w.close();
}catch(Exception de){System.out.println(de);
}all the contents are missing, only the tags are intact in the output file doc.html. I am using JDK 1.4.2
anybody can help me? thank you very much

Answer 1

here is the code. hehe sorry lol it took me sometime to take off all the function. please try to type something and then save. only the update is saved but the default heading (well in this case, i have replace them all with a "something must be here". thank you very much
// HTMLEditor.java
import javax.swing.*;
import javax.swing.text.*;
import javax.swing.text.html.*;
import java.awt.event.*;
import java.awt.*;
import java.io.*;
public class HTMLEditor extends JFrame{
  private JTextComponent textComp;
  public static void main(String[] args) {
    HTMLEditor editor = new HTMLEditor();
    editor.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    editor.setVisible(true);
  public HTMLEditor() {
    super("Swing Editor");
    textComp = createTextComponent();
    Container content = getContentPane();
    content.add(textComp, BorderLayout.CENTER);
    content.add(createToolBar(), BorderLayout.NORTH);
    setSize(320, 240);
    Template t = new Template((HTMLDocument)(textComp.getDocument()));
    t.setupTemplate();
  // Override to create a JEditorPane with the HTMLEditorKit in place
  protected JTextComponent createTextComponent() {
    JEditorPane jep = new JEditorPane();
    jep.setEditorKit(new HTMLEditorKit2());
    JEditorPane.registerEditorKitForContentType
     ("text/html", "HTMLEditorKit2");
    return jep;
  protected JTextComponent getTextComponent() { return textComp; }
  // Add HTML actions to the toolbar
  protected JToolBar createToolBar() {
    JToolBar bar = new JToolBar();
    bar.addSeparator();
    bar.add(new StyledEditorKit.BoldAction());
    bar.add(new SaveAction());
    return bar;
  class SaveAction extends AbstractAction {
    public SaveAction() {
      super("Save", new ImageIcon("icons/save.gif"));
    // Query user for a filename and attempt to open and write the text
    // components content to the file
    public void actionPerformed(ActionEvent ev) {
      JFileChooser chooser = new JFileChooser();
      if (chooser.showSaveDialog(HTMLEditor.this) !=
          JFileChooser.APPROVE_OPTION)
        return;
      File file = chooser.getSelectedFile();
      if (file == null)
        return;
      FileWriter writer = null;
      try {
        writer = new FileWriter(file);
        textComp.write(writer);
      catch (IOException ex) {
        JOptionPane.showMessageDialog(HTMLEditor.this,
        "File Not Saved", "ERROR", JOptionPane.ERROR_MESSAGE);
      finally {
        if (writer != null) {
          try {
            writer.close();
          } catch (IOException x) {}
  class HTMLEditorKit2 extends HTMLEditorKit{
       public Document createDefaultDocument(){
         HTMLDocument doc = new HTMLDocument();;
         doc.setAsynchronousLoadPriority(-1); // load synchronously
         return doc;
class Template{
     HTMLDocument doc;
     StyleContext styles = new StyleContext();
     public Template(HTMLDocument doc){
          this.doc= doc;
          Style def = styles.getStyle(StyleContext.DEFAULT_STYLE);
         Style heading = styles.addStyle("heading", def);
         StyleConstants.setFontFamily(heading, "SansSerif");
         StyleConstants.setBold(heading, true);
         StyleConstants.setAlignment(heading, StyleConstants.ALIGN_CENTER);
         StyleConstants.setSpaceAbove(heading, 10);
         StyleConstants.setSpaceBelow(heading, 10);
         StyleConstants.setFontSize(heading, 18);
     public void setupTemplate(){
          Style s = styles.getStyle("heading");
          try{
               doc.insertString(doc.getLength(), "Something must be here", s);
               doc.insertString(doc.getLength(), "\n", null);
                doc.setLogicalStyle(doc.getLength() - 1, s);
          }catch(Exception e){}     
}