ManagedList<?> messageConverters = getMessageConverters(element, source, parserContext);

private ManagedList<?> getMessageConverters(Element element, Object source, ParserContext parserContext) {Element convertersElement = DomUtils.getChildElementByTagName(element, "message-converters");ManagedList<? super Object> messageConverters = new ManagedList<Object>();if (convertersElement != null) {messageConverters.setSource(source);for (Element beanElement : DomUtils.getChildElementsByTagName(convertersElement, "bean", "ref")) {Object object = parserContext.getDelegate().parsePropertySubElement(beanElement, null);messageConverters.add(object);}}if (convertersElement == null || Boolean.valueOf(convertersElement.getAttribute("register-defaults"))) {messageConverters.setSource(source);messageConverters.add(createConverterDefinition(ByteArrayHttpMessageConverter.class, source));RootBeanDefinition stringConverterDef = createConverterDefinition(StringHttpMessageConverter.class, source);stringConverterDef.getPropertyValues().add("writeAcceptCharset", false);messageConverters.add(stringConverterDef);messageConverters.add(createConverterDefinition(ResourceHttpMessageConverter.class, source));messageConverters.add(createConverterDefinition(SourceHttpMessageConverter.class, source));messageConverters.add(createConverterDefinition(AllEncompassingFormHttpMessageConverter.class, source));if (romePresent) {messageConverters.add(createConverterDefinition(AtomFeedHttpMessageConverter.class, source));messageConverters.add(createConverterDefinition(RssChannelHttpMessageConverter.class, source));}if (jackson2XmlPresent) {RootBeanDefinition jacksonConverterDef = createConverterDefinition(MappingJackson2XmlHttpMessageConverter.class, source);GenericBeanDefinition jacksonFactoryDef = createObjectMapperFactoryDefinition(source);jacksonFactoryDef.getPropertyValues().add("createXmlMapper", true);jacksonConverterDef.getConstructorArgumentValues().addIndexedArgumentValue(0, jacksonFactoryDef);messageConverters.add(jacksonConverterDef);}else if (jaxb2Present) {messageConverters.add(createConverterDefinition(Jaxb2RootElementHttpMessageConverter.class, source));}if (jackson2Present) {RootBeanDefinition jacksonConverterDef = createConverterDefinition(MappingJackson2HttpMessageConverter.class, source);GenericBeanDefinition jacksonFactoryDef = createObjectMapperFactoryDefinition(source);jacksonConverterDef.getConstructorArgumentValues().addIndexedArgumentValue(0, jacksonFactoryDef);messageConverters.add(jacksonConverterDef);}else if (gsonPresent) {messageConverters.add(createConverterDefinition(GsonHttpMessageConverter.class, source));}}return messageConverters;}

<mvc:annotation-driven>  <mvc:message-converters register-defaults="false">  <bean class="org.springframework.http.converter.StringHttpMessageConverter">  <constructor-arg value="UTF-8"/>  </bean>  </mvc:message-converters>  </mvc:annotation-driven>  

@RequestMapping(value="/string", method=RequestMethod.POST)
public @ResponseBody String readString(@RequestBody String string) {return "Read string '" + string + "'";
}