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POHow to use Spring's i18n mechanism?
 

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  1. POHow to use Spring's i18n mechanism?
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    <p>I added localization to my Spring project and it appears to be working but I wonder how I change the language, if the language choice is done based on the browser setting, the HTTP header, a cookie or something else. Is there a way to be explicit as well e.g. taking the locale as a parameter in a way like e.g. <code>hl=de</code> on the HTTP query string? I also want to allow the user to set the language on a settings page, how can I do that? My implementation looks like this and writes messages in English:</p> <p><code>&lt;h4 class="title"&gt;&lt;fmt:message key="login.title"/&gt;&lt;/h4&gt;</code></p> <p>servlet.xml:</p> <pre><code>&lt;bean id="messageSource" class="org.springframework.context.support.ReloadableResourceBundleMessageSource"&gt; &lt;property name="basename" value="classpath:messages" /&gt; &lt;property name="defaultEncoding" value="UTF-8"/&gt; &lt;/bean&gt; &lt;bean id="localeChangeInterceptor" class="org.springframework.web.servlet.i18n.LocaleChangeInterceptor"&gt; &lt;property name="paramName" value="lang" /&gt; &lt;/bean&gt; &lt;bean id="localeResolver" class="org.springframework.web.servlet.i18n.CookieLocaleResolver"&gt; &lt;property name="defaultLocale" value="en"/&gt; &lt;/bean&gt; &lt;bean id="handlerMapping" class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping"&gt; &lt;property name="interceptors"&gt; &lt;ref bean="localeChangeInterceptor" /&gt; &lt;/property&gt; &lt;/bean&gt; </code></pre> <p>So how can I</p> <p>a) Make the locale choice explicit by enabling overriding the locale with a HTTP GET parameter such as <code>hl=de</code> for German and <code>hl=fr</code> for French?</p> <p>b) Let a user choose locale? </p> <h2>Update</h2> <p>The interceptor is not working. The XML is:</p> <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt; &lt;beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd"&gt; &lt;bean id="messageSource" class="org.springframework.context.support.ReloadableResourceBundleMessageSource"&gt; &lt;property name="basename" value="classpath:messages" /&gt; &lt;property name="defaultEncoding" value="UTF-8"/&gt; &lt;/bean&gt; &lt;bean id="localeResolver" class="org.springframework.web.servlet.i18n.SessionLocaleResolver"&gt; &lt;property name="defaultLocale" value="sv" /&gt; &lt;/bean&gt; &lt;mvc:interceptors&gt; &lt;bean id="localeChangeInterceptor" class="org.springframework.web.servlet.i18n.LocaleChangeInterceptor"&gt; &lt;property name="paramName" value="language" /&gt; &lt;/bean&gt; &lt;/mvc:interceptors&gt; &lt;bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"&gt; &lt;!-- one of the properties available; the maximum file size in bytes --&gt; &lt;property name="maxUploadSize" value="100000"/&gt; &lt;/bean&gt; &lt;/beans&gt; </code></pre>
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