/**
* Sets the {@link ValueExpression} used to calculate the value for the specified property name.
*
* @param name Name of the property for which to set a {@link ValueExpression}
* @param binding The {@link ValueExpression} to set, or <code>null</code> to remove any currently
* set {@link ValueExpression}
* @throws NullPointerException if <code>name</code> is <code>null</code>
*/
public void setValueExpression(String name, ValueExpression binding) {
if (name == null) {
throw new NullPointerException();
}
if (binding != null) {
if (binding.isLiteralText()) {
setLiteralValue(name, binding);
} else {
if (bindings == null) {
// We use a very small initial capacity on this HashMap.
// The goal is not to reduce collisions, but to keep the
// memory footprint small. It is very unlikely that an
// an AjaxBehavior would have more than 1 or 2 bound
// properties - and even if more are present, it's okay
// if we have some collisions - will still be fast.
bindings = new HashMap<String, ValueExpression>(6, 1.0f);
}
bindings.put(name, binding);
}
} else {
if (bindings != null) {
bindings.remove(name);
if (bindings.isEmpty()) {
bindings = null;
}
}
}
clearInitialState();
}
