// Construct the Bean instance
LabelText bean = new LabelText("Message to Python script");
try {
manager = new BSFManager();
// register scripting language
String[] fntypes = { ".py" };
manager.registerScriptingEngine("jpython",
"org.apache.bsf.engines.jpython.JPythonEngine", fntypes);
jpythonengine = manager.loadScriptingEngine("jpython");
// Tell BSF about the bean.
manager.declareBean("bean", bean, LabelText.class);
// Read the script file into BSF
language = manager.getLangFromFilename(FILENAME);
script = FileIO.readerToString(
new FileReader(FILENAME));
} catch (Exception ex) {
System.err.println(ex.toString());
System.exit(0);
}
System.out.println("Scripting setup done, building GUI.");
final JFrame jf = new JFrame(getClass().getName());
Container cp = jf.getContentPane();
cp.setLayout(new FlowLayout());
cp.add(bean); // add the LabelText
JButton b = new JButton("Click me!");
cp.add(b); // and the button under it.
b.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
try {
// When the button is pressed, run the script.
System.out.println("Script output: -->");
manager.exec(language, FILENAME, 0, 0, script);
System.out.println("<-- End of Script output.");
} catch (BSFException bse) {
JOptionPane.showMessageDialog(jf,
"ERROR: " + bse, "Script Error",
JOptionPane.ERROR_MESSAGE);
}
}
});
// A Quit button at the bottom
JButton qb = new JButton("Quit");
cp.add(qb);
qb.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
System.exit(0);
}
});
// Routine JFrame setup
jf.pack();
jf.setVisible(true);
