public void set(Object value)
throws IllegalArgumentException, IllegalAccessException, InvocationTargetException {
if (setter == null) {
throw new IllegalStateException("can not call set() with no setter.");
}
boolean accessible = setter.getMethod().isAccessible();
setter.getMethod().setAccessible(true);
setter.getMethod().invoke(model, value);
setter.getMethod().setAccessible(accessible);
}
public Object get()
throws IllegalArgumentException, IllegalAccessException, InvocationTargetException {
if (getter == null) {
throw new IllegalStateException("can not call get() with no getter.");
}
boolean accessible = getter.getMethod().isAccessible();
getter.getMethod().setAccessible(true);
Object value = getter.getMethod().invoke(model);
getter.getMethod().setAccessible(accessible);
return value;
}
/**
* Creates a new Mutator bound to the passed {@link BindingContext}.
*
* @param context the context for this {@link Mutator}
* @param target the model and field to bind this {@link Mutator} to.
* @return the {@link Mutator}
* @throws IntrospectionException
*/
public static Mutator create(BindingContext context, String target)
throws IntrospectionException {
final ObjectFieldMethod getter = context.findGetter(target);
final ObjectFieldMethod setter = context.findSetter(target);
if (getter == null && setter == null) {
throw new IllegalArgumentException("could not find either getter/setter for " + target);
}
BindableModel model = null;
BindableModel getterModel = null;
BindableModel setterModel = null;
if (getter != null) {
getterModel = context.getFieldObject(getter.getField(), BindableModel.class);
model = getterModel;
}
if (setter != null) {
setterModel = context.getFieldObject(setter.getField(), BindableModel.class);
model = setterModel;
}
if (getterModel != null && setterModel != null && getterModel != setterModel) {
throw new IllegalStateException("setter and getter must be on same BindableModel.");
}
return new Mutator(getter, setter, model);
}