BeanValueAccessor (Object bean, final String propertyName) { Field[] fields = bean.getClass().getFields(); for (final Field field : fields) { if (field.getName().equals(propertyName)) { return new BeanValueAccessor(bean, propertyName) { @Override protected Object doGetValue() throws IllegalAccessException { return field.get(myBean); } @Override protected void doSetValue(Object value) throws IllegalAccessException { field.set(myBean, value); } @Override public Class getType() { return field.getType(); } }; } } try { BeanInfo beanInfo = Introspector.getBeanInfo(bean.getClass()); for (final PropertyDescriptor descriptor : beanInfo.getPropertyDescriptors()) { if (descriptor.getName().equals(propertyName)) { return new BeanValueAccessor(bean, propertyName) { @Override protected Object doGetValue() throws Exception { return descriptor.getReadMethod().invoke(myBean); } @Override protected void doSetValue(Object value) throws Exception { descriptor.getWriteMethod().invoke(myBean, value); } @Override public Class getType() { return descriptor.getPropertyType(); } }; } } throw new IllegalArgumentException("Property " + propertyName + " not found in " + bean.getClass()); } catch (IntrospectionException e) { throw new RuntimeException(e); } }