使用Acegi 1.0获取用户信息

使用Acegi 1.0获取用户信息

使用Acegi 1.0获取用户信息，

import  org.acegisecurity.Authentication;
import  org.acegisecurity.context.SecurityContext;
import  org.acegisecurity.context.SecurityContextHolder;
import  org.acegisecurity.ui.WebAuthenticationDetails;
import  org.acegisecurity.userdetails.UserDetails;
public   class  ThreadLocaTest  {
 
  /** */ /**
    * 取得当前用户名
    * 
     */
    public   static  String getUsername() {
    SecurityContext ctx  =  SecurityContextHolder.getContext();
      if (ctx != null ) {
      Authentication auth  =  ctx.getAuthentication();   
          if (auth != null ) {
           Object principal = auth.getPrincipal();
            if (principal  instanceof  UserDetails)  {
              return  ((UserDetails)principal).getUsername();
           } else {
              return  principal.toString();         
         }
       }
     }
      return   null ;
   }
    /** */ /**  
    * 取得当前用户密码
    * 
     */
    public   static  String getPassword() {
    SecurityContext ctx  =  SecurityContextHolder.getContext();
      if (ctx != null ) {   
         Authentication auth = ctx.getAuthentication();
          if (auth != null ) {
           Object principal = auth.getPrincipal();
            if (principal  instanceof  UserDetails)  {
              return  ((UserDetails)principal).getPassword();
           } else {
              return   null ;
           }
         }
       
     }
      return   null ;
   }
    /** */ /**
    * 取得当前用户SessionId
    * 
     */
    public   static  String getSessionID() {
    SecurityContext ctx  =  SecurityContextHolder.getContext();
      if (ctx != null ) {
        if (ctx  instanceof  SecurityContext) {
        SecurityContext sc = (SecurityContext)ctx;
         Authentication auth = sc.getAuthentication();
          if (auth != null ) {
           Object details = auth.getDetails();
            if (details  instanceof  WebAuthenticationDetails)  {
              return  ((WebAuthenticationDetails)details).getSessionId();
           } else {
              return   null ;
           }
         }
       }
     }
      return   null ;
   }
}