jaasloginmycb.java

来自「java安全性编程实例电子版书附源码,是网络安全编程者不可多得的好书」· Java 代码 · 共 28 行

import javax.security.auth.Subject;
import javax.security.auth.login.LoginContext;
import javax.security.auth.login.LoginException;
public class JAASLoginMyCB {
   public static void main(String[] args) throws Exception {
//       LoginContext c = new LoginContext("myc1");
	LoginContext c = new LoginContext("myc1",
               new   MyCallbackHandler());
       boolean pass;
       try {
  	       c.login();
	       pass=true;
       } catch (LoginException le) {
              pass=false;
	      System.err.println("Authentication failed:");
	      System.err.println("  " + le.getMessage());
       } 
       if(!pass){
	    System.out.println("Sorry");
       }
       else{
           System.out.println("Authentication succeeded!");
           Subject s = c.getSubject();
           System.out.println(s.getPrincipals());
       }
     }
}