Login example (cont)

• //access authentication service

• String userEntry="uid="+userID+userSuffix;

• jndiOptions.put(Context.SECURITY_PRINCIPAL,userEntry);

• jndiOptions.put(Context.SECURITY_CREDENTIALS,password);

• jndiOptions.put(Context.PROVIDER_URL,server);

• InitialDirContext ctx=new InitialDirContext(jndiOptions);

• //get the principal

• principal=

• new PrincipalAttributes(userEntry,ctx.getAttributes(""));

• }

• //handle various exceptions

• catch(AuthenticationException e){

• exception=e;

• throw new FailedLoginException("userID or password is invalid");

• }

• . . .

• return true;

• }

Notes: