Java WebDataBinder.setAutoGrowNestedPaths方法代碼示例

import org.springframework.web.bind.WebDataBinder; //導入方法依賴的package包/類
@Override
public void initBinder(WebDataBinder binder, WebRequest request) {
	binder.setAutoGrowNestedPaths(this.autoGrowNestedPaths);
	if (this.directFieldAccess) {
		binder.initDirectFieldAccess();
	}
	if (this.messageCodesResolver != null) {
		binder.setMessageCodesResolver(this.messageCodesResolver);
	}
	if (this.bindingErrorProcessor != null) {
		binder.setBindingErrorProcessor(this.bindingErrorProcessor);
	}
	if (this.validator != null && binder.getTarget() != null &&
			this.validator.supports(binder.getTarget().getClass())) {
		binder.setValidator(this.validator);
	}
	if (this.conversionService != null) {
		binder.setConversionService(this.conversionService);
	}
	if (this.propertyEditorRegistrars != null) {
		for (PropertyEditorRegistrar propertyEditorRegistrar : this.propertyEditorRegistrars) {
			propertyEditorRegistrar.registerCustomEditors(binder);
		}
	}
}
 

import org.springframework.web.bind.WebDataBinder; //導入方法依賴的package包/類
@InitBinder
public void initBinder(WebDataBinder binder) {
	binder.setAutoGrowNestedPaths(false);
	binder.registerCustomEditor(
			Long.class,
			new CustomNumberEditor(Long.class, true));
	binder.registerCustomEditor(
			Double.class,
			new CustomNumberEditor(Double.class, true));
	binder.registerCustomEditor(
			BigDecimal.class,
			new CustomNumberEditor(
					BigDecimal.class,
					new DecimalFormat("#,##0.00"),
					true));
	binder.registerCustomEditor(
			Boolean.class,
			new CustomBooleanEditor(true));
	binder.registerCustomEditor(
			Date.class,
			new CustomDateEditor(new SimpleDateFormat("dd/MM/yyyy"), true));
	binder.registerCustomEditor(
			Object.class,
			new ObjectTypeEditorHelper());
}
 

import org.springframework.web.bind.WebDataBinder; //導入方法依賴的package包/類
/**
 * Before call to {@link ObjectMapper#readValue(java.io.InputStream, Class)}
 * creates a {@link ServletRequestDataBinder} and put it to current Thread
 * in order to be used by the {@link DataBinderDeserializer}.
 * <p/>
 * Ref: <a href=
 * "http://java.dzone.com/articles/java-thread-local-%E2%80%93-how-use">When
 * to use Thread Local?</a>
 * 
 * @param javaType
 * @param inputMessage
 * @return
 */
private Object readJavaType(JavaType javaType, HttpInputMessage inputMessage) {
    try {
        Object target = null;
        String objectName = null;

        // CRear el DataBinder con un target object en funcion del javaType,
        // ponerlo en el thread local
        Class<?> clazz = javaType.getRawClass();
        if (Collection.class.isAssignableFrom(clazz)) {
            Class<?> contentClazz = javaType.getContentType().getRawClass();
            target = new DataBinderList<Object>(contentClazz);
            objectName = "list";
        }
        else if (Map.class.isAssignableFrom(clazz)) {
            // TODO Class<?> contentClazz =
            // javaType.getContentType().getRawClass();
            target = CollectionFactory.createMap(clazz, 0);
            objectName = "map";
        }
        else {
            target = BeanUtils.instantiateClass(clazz);
            objectName = "bean";
        }

        WebDataBinder binder = new ServletRequestDataBinder(target,
                objectName);
        binder.setConversionService(this.conversionService);
        binder.setAutoGrowNestedPaths(true);
        binder.setValidator(validator);

        ThreadLocalUtil.setThreadVariable(
                BindingResult.MODEL_KEY_PREFIX.concat("JSON_DataBinder"),
                binder);

        Object value = getObjectMapper().readValue(inputMessage.getBody(),
                javaType);

        return value;
    }
    catch (IOException ex) {
        throw new HttpMessageNotReadableException(
                "Could not read JSON: ".concat(ex.getMessage()), ex);
    }
}