SecurityDialogs.java 文件源码

/**
 * Present a dialog to the user asking them for authentication information,
 * and returns the user's response. The caller must have
 * NetPermission("requestPasswordAuthentication") for this to work.
 *
 * @param host The host for with authentication is needed
 * @param port The port being accessed
 * @param prompt The prompt (realm) as presented by the server
 * @param type The type of server (proxy/web)
 * @return an array of objects representing user's authentication tokens
 * @throws SecurityException if the caller does not have the appropriate permissions.
 */
public static NamePassword showAuthenicationPrompt(String host, int port, String prompt, String type) {

    SecurityManager sm = System.getSecurityManager();
    if (sm != null) {
        NetPermission requestPermission
            = new NetPermission("requestPasswordAuthentication");
        sm.checkPermission(requestPermission);
    }

    final SecurityDialogMessage message = new SecurityDialogMessage(null);

    message.dialogType = DialogType.AUTHENTICATION;
    message.extras = new Object[] { host, port, prompt, type };

    DialogResult response = getUserResponse(message);
    OutputController.getLogger().log(OutputController.Level.MESSAGE_DEBUG, "Decided action for matching alaca at  was " + response);
    return (NamePassword) response;
}