/**
* If the <i>stopTime</i> parameter is changed and the model is executing, then if the new value
* is greater than zero and greater than the current time, then ask the director to fire this
* actor at that time. If the new value is less than the current time, then request refiring at
* the current time.
*
* @exception IllegalActionException If the superclass throws it.
*/
public void attributeChanged(Attribute attribute) throws IllegalActionException {
if (attribute == stopTime) {
double newStopTimeValue = ((DoubleToken) stopTime.getToken()).doubleValue();
if (_executing) {
Time newStopTime = new Time(getDirector(), newStopTimeValue);
Director director = getDirector();
if (director != null) {
Time currentTime = director.getModelTime();
if (newStopTime.compareTo(currentTime) > 0) {
director.fireAt(this, newStopTime);
} else {
throw new IllegalActionException(
this, "The stop time " + "is earlier than the current time.");
}
}
_stopTime = newStopTime;
}
} else {
super.attributeChanged(attribute);
}
}
/**
* If the specified attribute is <i>URL</i>, then close the current file (if there is one) and
* open the new one.
*
* @param attribute The attribute that has changed.
* @exception IllegalActionException If the specified attribute is <i>URL</i> and the file cannot
* be opened.
*/
@Override
public void attributeChanged(Attribute attribute) throws IllegalActionException {
if (attribute == sourceURL) {
try {
StringToken URLToken = (StringToken) sourceURL.getToken();
if (URLToken == null) {
_source = null;
setReader(null);
} else {
_source = URLToken.stringValue();
if (_source.equals("")) {
setReader(null);
} else {
URL url = new URL(_source);
java.io.BufferedReader reader =
new BufferedReader(new InputStreamReader(url.openStream()));
setReader(reader);
}
}
} catch (IOException ex) {
throw new IllegalActionException(this, ex, "attributeChanged(" + attribute + ") failed");
}
}
super.attributeChanged(attribute);
}