Spring Security Tutorial (5)----internationalization configuration and Usercache

This chapter is to explain the foundation of the following, mainly introduced under the international configuration and Usercache configuration and use

Internationalization configuration

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2. <!--define the internationalization of messages returned by the context--
4. <Bean id="Messagesource"
6. class="Org.springframework.context.support.ReloadableResourceBundleMessageSource">
8. <property name="basename"
10. value="classpath:config/messages_zh_cn"/>
12. </Bean>

The path to the message file is configured in the basename

International files can be found under the org.springframework.security in the Spring-security-core-3.2.0.m1.jar package and can be taken directly, and this class can also be used in projects

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1. @Autowired
2. Private Messagesource Messagesource;

This can be used in the class as Messagesource, Messagesource provides the following three methods

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1. String GetMessage (String code, object[] args, string defaultmessage, locale locale);
2. String GetMessage (String code, object[] args, locale locale) throws nosuchmessageexception;
3. String getMessage (messagesourceresolvable resolvable, locale locale) throws nosuchmessageexception;

For example, we define the following message in the property file

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1. userdetails.islocked= user has been locked
2. userdetails.usernotfound= user {0} does not exist

Then use the GetMessage method
GetMessage ("userdetails.islocked", null,null)//user has been locked

GetMessage ("userdetails.islocked", New object[]{"admin"},null)//user admin does not exist

Usercache configuration, implemented by Ecahe

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2. <!--enable the user's cache function-
4. <bean id="Usercache"
6. class="Org.springframework.security.core.userdetails.cache.EhCacheBasedUserCache" >
8. <property name="cache" ref="Userehcache"/>
10. </bean>
14. <bean id="Userehcache" class="Org.springframework.cache.ehcache.EhCacheFactoryBean" >
16. <property name="CacheName" value="Usercache"/>
18. <property name="CacheManager" ref="CacheManager"/>
20. </bean>
24. <bean id="CacheManager"
26. class="Org.springframework.cache.ehcache.EhCacheManagerFactoryBean"/>

Ehcache.xml

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2. <cache
4. name="Usercache"
6. maxelementsinmemory="
8. eternal="false"
10. timetoidleseconds="
12. timetoliveseconds="3600"
14. overflowtodisk="true"
16. />

Inject Ecache

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1. @Autowired
2. Private Usercache Usercache;

This can be done in the program by

This.userCache.getUserFromCache (username); Gets the user object in the cache

User object is Userdetails type

Spring Security Tutorial (5)----internationalization configuration and Usercache