Hi there,
I keep seeing the following error while trying to implement an
actionlistener:
"org.mozilla.javascript.EvaluatorException: error instantiating (Wrapped
java.lang.NullPointerException (test.js#5)): class
java.awt.event.ActionListener is interface or abstract (test.js#5)"
Can anybody see what's wrong with my code below?
Thanks!
[ script ]
function Test()
{
var btn = new javax.swing.JButton("Test");
var obj = { actionPerformed: function() {
javax.swing.JOptionPane.showMessageDialog(null, "test"); } }
var al = new java.awt.event.ActionListener(obj); // <= Exception
btn.addActionListener(al);
}
[ java ]
try
{
Context cx = Context.enter();
Scriptable scope = new ImporterTopLevel(cx);
Object res = cx.evaluateReader(scope, new FileReader("test.js"),
"test.js", 1, null);
Object fObj = scope.get("Test", scope);
if (fObj instanceof Function)
{
Object functionArgs[] = {};
Function f = (Function) fObj;
Object result = f.call(cx, scope, scope, functionArgs);
}
}
catch (Exception ex)
{
JOptionPane.showMessageDialog(null, ex.toString());
}
finally
{
cx.exit();
}
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