How to use

getDocument

method

in

com.intellij.ui.components.JBTextField

public Document getDocument() {
 return getTextField().getDocument();
}

public AddEditExclusionDialog(Project project) {
 super(project, false);
 this.project = project;
 setTitle("Add SonarLint File Exclusion");
 init();
 FileChooserDescriptor fileChooser = new FileChooserDescriptor(true, false, false,
  true, false, false);
 fileChooser.setRoots(project.getBaseDir());
 fileTextField.addBrowseFolderListener("Select File to Exclude",
  "Select the file which will be excluded from SonarLint analysis",
  project, fileChooser);
 FileChooserDescriptor directoryChooser = FileChooserDescriptorFactory.createSingleFolderDescriptor();
 directoryChooser.setRoots(project.getBaseDir());
 directoryTextField.addBrowseFolderListener("Select Directory to Exclude",
  "Select the directory which will be excluded from SonarLint analysis",
  project, directoryChooser);
 DocumentListener docListener = new DocumentAdapter() {
  protected void textChanged(final DocumentEvent e) {
   updateOk();
  }
 };
 fileTextField.getTextField().getDocument().addDocumentListener(docListener);
 directoryTextField.getTextField().getDocument().addDocumentListener(docListener);
 globTextField.getDocument().addDocumentListener(docListener);
 ActionListener listener = e -> updateControls();
 directoryRadioButton.addActionListener(listener);
 globRadioButton.addActionListener(listener);
 fileRadioButton.addActionListener(listener);
 updateControls();
}