org.springframework.boot.context.properties.bind.handler.NoUnboundElementsBindHandler#org.springframework.boot.context.properties.bind.handler.IgnoreTopLevelConverterNotFoundBindHandler源码实例Demo

static <T> T bindOrCreate(Bindable<T> bindable,
		Map<String, Object> properties, String configurationPropertyName,
		Validator validator, ConversionService conversionService) {
	// see ConfigurationPropertiesBinder from spring boot for this definition.
	BindHandler handler = new IgnoreTopLevelConverterNotFoundBindHandler();

	if (validator != null) { // TODO: list of validators?
		handler = new ValidationBindHandler(handler, validator);
	}

	List<ConfigurationPropertySource> propertySources = Collections
			.singletonList(new MapConfigurationPropertySource(properties));

	return new Binder(propertySources, null, conversionService)
			.bindOrCreate(configurationPropertyName, bindable, handler);
}
 

public <T> BindResult<T> bind(String prefix, Bindable<T> target) {
	UnboundElementsSourceFilter filter = new UnboundElementsSourceFilter();
	NoUnboundElementsBindHandler handler = new NoUnboundElementsBindHandler(new IgnoreTopLevelConverterNotFoundBindHandler(), filter);
	return binder.bind(prefix, target, handler);
}
 

public void bind(String configPrefix, Bindable<?> bean) {
  BindHandler handler = new IgnoreTopLevelConverterNotFoundBindHandler();
  this.binder.bind(configPrefix, bean, handler);
}