/*
 * Copyright (c) 2000, 2017 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

/*
 * @(#)UserMgrUtils.java	1.5 06/28/07
 */

package com.sun.messaging.jmq.jmsserver.auth.usermgr;

import java.io.*;

import com.sun.messaging.jmq.util.Password;
import com.sun.messaging.jmq.jmsserver.Globals;
import com.sun.messaging.jmq.jmsserver.resources.BrokerResources;

/**
 * This class contains utility methods used by jmqusermgr.
 */
public class UserMgrUtils implements UserMgrOptions {

    /**
     * Constructor
     */
    public UserMgrUtils() {
    }

    /**
     * Return user input. Throws an exception if an error occurred.
     */
    public static String getUserInput(UserMgrProperties userMgrProps, String question) throws UserMgrException {
        return (getUserInput(userMgrProps, question, null));
    }

    /**
     * Return user input. Return defResponse if no response ("") was given. Throws an exception if an error occurred.
     */
    public static String getUserInput(UserMgrProperties userMgrProps, String question, String defResponse) throws UserMgrException {

        try {
            BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
            Output.stdOutPrint(question);
            String s = in.readLine();

            if (s == null) {
                throw new EOFException("null");
            }
            if (s.equals("") && (defResponse != null)) {
                s = defResponse;
            }
            return (s);

        } catch (IOException ioex) {
            UserMgrException ex = new UserMgrException(UserMgrException.PROBLEM_GETTING_INPUT);
            ex.setProperties(userMgrProps);
            ex.setLinkedException(ioex);

            throw (ex);
        }
    }

    /**
     * Return password input.
     */
    public static String getPasswordInput(UserMgrProperties userMgrProps, String question) {

        Password pw = new Password();
        if (pw.echoPassword()) {
            Output.stdOutPrintln(Globals.getBrokerResources().getString(BrokerResources.W_ECHO_PASSWORD));
        }
        Output.stdOutPrint(question);
        return pw.getPassword();

    }

}
