本文整理汇总了Java中javax.security.auth.callback.UnsupportedCallbackException.getCallback方法的典型用法代码示例。如果您正苦于以下问题：Java UnsupportedCallbackException.getCallback方法的具体用法？Java UnsupportedCallbackException.getCallback怎么用？Java UnsupportedCallbackException.getCallback使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类javax.security.auth.callback.UnsupportedCallbackException的用法示例。
在下文中一共展示了UnsupportedCallbackException.getCallback方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: getUsernameAndPassword
import javax.security.auth.callback.UnsupportedCallbackException; //导入方法依赖的package包/类
/**
* Called by login() to acquire the username and password strings for authentication. This method does no validation
* of either.
*
* @return String[], [0] = username, [1] = password
*/
private String[] getUsernameAndPassword() throws LoginException {
if (callbackHandler == null) {
throw new LoginException("No CallbackHandler available to collect authentication information");
}
NameCallback nc = new NameCallback("User name: ", "guest");
PasswordCallback pc = new PasswordCallback("Password: ", false);
Callback[] callbacks = { nc, pc };
String username = null;
String password = null;
try {
callbackHandler.handle(callbacks);
username = nc.getName();
char[] tmpPassword = pc.getPassword();
if (tmpPassword != null) {
credential = new char[tmpPassword.length];
System.arraycopy(tmpPassword, 0, credential, 0, tmpPassword.length);
pc.clearPassword();
password = new String(credential);
}
} catch (IOException ioe) {
throw new LoginException(ioe.toString());
} catch (UnsupportedCallbackException uce) {
throw new LoginException("CallbackHandler does not support: " + uce.getCallback());
}
return new String[] { username, password };
}