Saving RTF Java JTextPane

Question

I have the following code trying to save the contents of a JTextPane as RTF. although the file is created in the following code, but it is empty!

Any tips on what I'm doing wrong? (as usual, do not forget the beginner!)

if (option == JFileChooser.APPROVE_OPTION) {
////////////////////////////////////////////////////////////////////////
//System.out.println(chooser.getSelectedFile().getName());

//System.out.println(chooser.getSelectedFile().getAbsoluteFile());
///////////////////////////////////////////////////////////////////////////

StyledDocument doc = (StyledDocument)textPaneHistory.getDocument();
RTFEditorKit kit = new RTFEditorKit();

BufferedOutputStream out;

try {
     out = new BufferedOutputStream(new FileOutputStream(chooser.getSelectedFile().getName()));

     kit.write(out, doc, doc.getStartPosition().getOffset(), doc.getLength());
} catch (FileNotFoundException e) {
} catch (IOException e){
} catch (BadLocationException e){
}
}

EDIT: HTMLEditorKit, if I use HTMLEditorKit, it works, and that is what I really wanted. SOLVE!

Answer 1

            if (textPaneHistory.getText().length() > 0){

            JFileChooser chooser = new JFileChooser();
            chooser.setMultiSelectionEnabled(false);

            int option = chooser.showSaveDialog(ChatGUI.this);

            if (option == JFileChooser.APPROVE_OPTION) {

                StyledDocument doc = (StyledDocument)textPaneHistory.getDocument();

                HTMLEditorKit kit = new HTMLEditorKit();

                BufferedOutputStream out;

                try {
                    out = new BufferedOutputStream(new FileOutputStream(chooser.getSelectedFile().getAbsoluteFile()));

                    kit.write(out, doc, doc.getStartPosition().getOffset(), doc.getLength());

                } catch (FileNotFoundException e) {

                } catch (IOException e){

                } catch (BadLocationException e){

                }
            }
        }

here is the solution. It works if HTMLEditorKit is used.

Answer 2

Here is a solution for RTF, not HTML.

Since RTF is not standardized, I needed some additional tags, such as \ sb and \ sa, to get Wordpad to display the file correctly.

protected void exportToRtf() throws IOException, BadLocationException {
    final StringWriter out = new StringWriter();
    Document doc = textPane.getDocument();
    RTFEditorKit kit = new RTFEditorKit();
    kit.write(out, doc, doc.getStartPosition().getOffset(), doc.getLength());
    out.close();

    String rtfContent = out.toString();
    {
    // replace "Monospaced" by a well-known monospace font
    rtfContent = rtfContent.replaceAll("Monospaced", "Courier New");
    final StringBuffer rtfContentBuffer = new StringBuffer(rtfContent);
    final int endProlog = rtfContentBuffer.indexOf("\n\n");
    // set a good Line Space and no Space Before or Space After each paragraph
    rtfContentBuffer.insert(endProlog, "\n\\sl240");
    rtfContentBuffer.insert(endProlog, "\n\\sb0\\sa0");
    rtfContent = rtfContentBuffer.toString();
    }

    final File file = new File("c:\\temp\\test.rtf");
    final FileOutputStream fos = new FileOutputStream(file);
    fos.write(rtfContent.toString().getBytes());
    fos.close();
}

Answer 3

This is how I did it when I ran into the same problem.

    public void actionPerformed(ActionEvent e) {

        text = textPane.getText();
        JFileChooser saveFile = new JFileChooser();
        int option = saveFile.showSaveDialog(null);
        saveFile.setDialogTitle("Save the file...");

        if (option == JFileChooser.APPROVE_OPTION) {

            File file = saveFile.getSelectedFile();
            if (!file.exists()) {

                try {
                    BufferedWriter writer = new BufferedWriter(
                            new FileWriter(file.getAbsolutePath() + ".rtf"));
                    writer.write(text);
                    writer.close();

                } catch (IOException ex) {

                    ex.printStackTrace();
                    System.out.println(ex.getMessage());
                    JOptionPane.showMessageDialog(null,
                            "Failed to save the file");
                }

            }

            else if (file.exists()) {

                int confirm = JOptionPane.showConfirmDialog(null,
                        "File exists do you want to save anyway?");
                if (confirm == 0) {

                    try {
                        BufferedWriter writer = new BufferedWriter(
                                new FileWriter(file.getAbsolutePath()
                                        + ".rtf"));
                        writer.write(text);
                        writer.close();

                    } catch (IOException ex) {

                        ex.printStackTrace();
                        System.out.println(ex.getMessage());
                        JOptionPane.showMessageDialog(null,
                                "Failed to save the file");
                    }

                }

                else if (confirm == 1) {

                    JOptionPane.showMessageDialog(null,
                            "The file was not saved.");

                }

            }

        }

        if (option == JFileChooser.CANCEL_OPTION) {

            saveFile.setVisible(false);

        }

    }// End of method

Answer 4

The only problem I saw in your code is that you are not closing the output stream (when the content is actually written to disk).

Give it a try out.close().

It should solve your problem.