Internationalize REST Spring-MVC application?

问题

Actually the question asked on SO continue. According to my spring-servlet.xml configuration for internationalization, I can not change the language of request. When I send request including "?language=tr" it returns me messages from en file. Any help would be appreciated.

    <?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xmlns:p="http://www.springframework.org/schema/p"
   xmlns:context="http://www.springframework.org/schema/context"
   xmlns:mvc="http://www.springframework.org/schema/mvc"
   xsi:schemaLocation="http://www.springframework.org/schema/beans 
                       http://www.springframework.org/schema/beans/spring-beans.xsd
                       http://www.springframework.org/schema/context 
                       http://www.springframework.org/schema/context/spring-context.xsd
                       http://www.springframework.org/schema/mvc
                       http://www.springframework.org/schema/mvc/spring-mvc.xsd">

    <!-- SPRING INTERNALIZATION CONFIGURATION -->
    <bean id="messageSource" class="org.springframework.context.support.ReloadableResourceBundleMessageSource">
        <property name="basename" value="classpath:messages" /> 
        <property name="defaultEncoding" value="UTF-8"/>
    </bean>
    <bean id="localeResolver" class="org.springframework.web.servlet.i18n.CookieLocaleResolver">
        <property name="defaultLocale" value="en"/>
    </bean>
    <mvc:interceptors>    
      <bean class="org.springframework.web.servlet.i18n.LocaleChangeInterceptor"
        p:paramName="language" />
    </mvc:interceptors>

    <bean id="handlerMapping" class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping">
    </bean>

    <!-- Declare a view resolver -->
    <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver" 
            p:prefix="/WEB-INF/jsp/" p:suffix=".jsp" />

</beans>

my applicationContext.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:mvc="http://www.springframework.org/schema/mvc"
    xsi:schemaLocation="http://www.springframework.org/schema/beans 
            http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
            http://www.springframework.org/schema/aop  
            http://www.springframework.org/schema/aop/spring-aop-3.0.xsd 
            http://www.springframework.org/schema/context
            http://www.springframework.org/schema/context/spring-context-3.0.xsd
            http://www.springframework.org/schema/mvc 
            http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
    <!-- Activates various annotations to be detected in bean classes -->
    <context:annotation-config />
    <!-- spring frameworka properties dosyasını tanıtma -->
    <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="locations">
            <list>
                <value>classpath:/applicationContext.properties</value>
            </list>
        </property> 
        <property name="ignoreUnresolvablePlaceholders" value="true"/>
    </bean>
    <aop:aspectj-autoproxy>
        <aop:include name="myLogger"/>
    </aop:aspectj-autoproxy>

    <bean id="myLogger" class="sow.webservices.aop.SowLoggerAOP"/>
    <bean id="personService" class="sow.webservices.services.PersonService" />
    <!-- Scans the classpath for annotated components that will be auto-registered as Spring beans.
     For example @Controller and @Service. Make sure to set the correct base-package-->
    <context:component-scan base-package="sow.webservices" />

    <!-- Configures the annotation-driven Spring MVC Controller programming model.
    Note that, with Spring 3.0, this tag works in Servlet MVC only!  -->
    <mvc:annotation-driven /> 

    <!-- Loads MongoDB configuraton -->
    <import resource="mongo-config.xml"/>
</beans>

回答1:

Rather make sure that you added the localeChangeInterceptor bean within the interceptors properties of your handleMapping bean as follows:

<bean id="handlerMapping"vclass="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping">
  <property name="interceptors">
    <list>
      <ref bean="localeChangeInterceptor" />
    </list>
  </property>
</bean>

Or try to register the LocaleChangeInterceptor as an mvc:interceptor:

<mvc:interceptors>    
  <bean class="org.springframework.web.servlet.i18n.LocaleChangeInterceptor"
    p:paramName="language" />
</mvc:interceptors>

You need to add the mvc namespace schema (xmlns:mvc="http://www.springframework.org/schema/mvc") in the root declaration of the spring context file so it may look as:

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xmlns:p="http://www.springframework.org/schema/p"
   xmlns:context="http://www.springframework.org/schema/context"
   xmlns:mvc="http://www.springframework.org/schema/mvc"
   xsi:schemaLocation="http://www.springframework.org/schema/beans 
                       http://www.springframework.org/schema/beans/spring-beans.xsd
                       http://www.springframework.org/schema/context 
                       http://www.springframework.org/schema/context/spring-context.xsd
                       http://www.springframework.org/schema/mvc
                       http://www.springframework.org/schema/mvc/spring-mvc.xsd">
...

</beans>

来源：https://stackoverflow.com/questions/22272031/internationalize-rest-spring-mvc-application