/*
 * Copyright (c) 2008-2014, XebiaLabs B.V., All rights reserved.
 *
 *
 * Overthere is licensed under the terms of the GPLv2
 * <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most XebiaLabs Libraries.
 * There are special exceptions to the terms and conditions of the GPLv2 as it is applied to
 * this software, see the FLOSS License Exception
 * <http://github.com/xebialabs/overthere/blob/master/LICENSE>.
 *
 * This program is free software; you can redistribute it and/or modify it under the terms
 * of the GNU General Public License as published by the Free Software Foundation; version 2
 * of the License.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with this
 * program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth
 * Floor, Boston, MA 02110-1301  USA
 */
package com.xebialabs.overthere.cifs.winrm;

import java.io.IOException;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.NameCallback;
import javax.security.auth.callback.PasswordCallback;
import javax.security.auth.callback.UnsupportedCallbackException;

class ProvidedAuthCallback implements CallbackHandler {

    private String username;
    private String password;

    ProvidedAuthCallback(final String username, final String password) {
        this.username = username;
        this.password = password;
    }

    public void handle(final Callback[] callbacks) throws IOException, UnsupportedCallbackException {
        for (final Callback callback : callbacks) {
            if (callback instanceof NameCallback) {
                final NameCallback nc = (NameCallback) callback;
                nc.setName(username);
            } else if (callback instanceof PasswordCallback) {
                final PasswordCallback pc = (PasswordCallback) callback;
                pc.setPassword(password.toCharArray());
            } else {
                throw new UnsupportedCallbackException(callback, "Unrecognized Callback");
            }
        }
    }
}
