Spring实现国际化
覆写ResourceBundleMessage.
Spring留接口，其设计给力啊，很容易扩展。
package org.frame.base.message;import java.io.UnsupportedEncodingException;import java.text.MessageFormat;import java.util.Locale;import java.util.Map;import java.util.concurrent.ConcurrentHashMap;import org.springframework.context.support.ResourceBundleMessageSource;/** * * 扩展Spring的resourceBundleMessageSource * 使其支持中文，因为properties文件天生不支持中文，如果要其支持，需要转码，麻烦! * * 于是扩展一下，实现自动转码 */public class ResourceBundleMessageSourceExtend extendsResourceBundleMessageSource {private static final String ENCODING = "GBK";// 注意属性文件使用GBK编码private static final String NULL = "null";/** cache the encoding key value * */Map<String, String> encodingCache = new ConcurrentHashMap<String, String>(20);/** * resolve no argus */protected String resolveCodeWithoutArguments(String code, Locale locale) {String message = super.resolveCodeWithoutArguments(code, locale);return decodeString(message, ENCODING);}/** * resolve args * @see resolveCode(String code, Locale locale) */protected MessageFormat createMessageFormat(String msg, Locale locale) {if (logger.isDebugEnabled()) {logger.debug("Creating MessageFormat for pattern [" + msg+ "] and locale '" + locale + "'");}msg = decodeString(msg, ENCODING);return new MessageFormat((msg != null ? msg : ""), locale);}/** * 转码 * @param msg * @param encode * @return */private String decodeString(String message, String encode) {String encodMessage = encodingCache.get(message);if (encodMessage == null) {try {encodMessage = new String(message.getBytes("ISO8859-1"), encode);if (message != null) {encodingCache.put(message, encodMessage);} else {encodingCache.put(message, NULL);// log the code is not exist in properties}} catch (UnsupportedEncodingException e) {e.printStackTrace();}}return encodMessage;}}<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" " http://www.springframework.org/dtd/spring-beans.dtd "><beans default-autowire="byName"> <!-- 国际化资源文件 --><bean id="messageSource" name="code">message.user.username = 用户名 !message.user.password = 密码 !message.user.context = 内容{0}真好 !message.user.username = user name !message.user.password = password !
package org.frame.base.message;import java.util.Locale;import org.springframework.context.MessageSource;import org.springframework.context.support.ClassPathXmlApplicationContext;public class MessageSourceTest { public static void main(String[] args) { MessageSource messageSource = new ClassPathXmlApplicationContext("message/testMessage.xml"); String message1 = messageSource.getMessage("message.user.username", null, Locale.CHINESE); //String message3 = messageSource.getMessage("message.user.username", null, Locale.CHINESE); String message4 = messageSource.getMessage("message.user.context", new Object[]{"ycl"}, Locale.CHINESE); String message2 = messageSource.getMessage("error.user.validName", null, Locale.CHINESE); System.out.println(message1); System.out.println(message2); System.out.println(message4);}}