public Y call(X value) {
Class cls = value.getClass();
try {
Field f = cls.getField(fieldName);
return (Y) f.get(value);
} catch (SecurityException e) {
e.printStackTrace();
throw new IllegalStateException();
} catch (NoSuchFieldException e) {
e.printStackTrace();
throw new IllegalStateException();
} catch (IllegalAccessException e) {
e.printStackTrace();
throw new IllegalStateException();
}
}
public Y call(X value) {
Class cls = value.getClass();
try {
Method m = cls.getMethod(fieldName);
return (Y) m.invoke(value);
} catch (SecurityException e) {
e.printStackTrace();
throw new IllegalStateException();
} catch (IllegalAccessException e) {
e.printStackTrace();
throw new IllegalStateException();
} catch (InvocationTargetException e) {
e.printStackTrace();
throw new IllegalStateException();
} catch (NoSuchMethodException e) {
e.printStackTrace();
throw new IllegalStateException();
}
}