/*
 * JBoss, Home of Professional Open Source
 * Copyright 2011, Red Hat Middleware LLC, and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jboss.as.arquillian.container.domain;

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;
import javax.security.sasl.RealmCallback;

/**
 * Factory to supply an Authenticator or CallbackHandler for use during tests.
 *
 * @author <a href="mailto:darran.lofthouse@jboss.com">Darran Lofthouse</a>
 */
public class Authentication {

    public static String username = "";
    public static String password = "";

    public static CallbackHandler getCallbackHandler() {
        return new CallbackHandler() {

            public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
                for (Callback current : callbacks) {
                    if (current instanceof NameCallback) {
                        NameCallback ncb = (NameCallback) current;
                        ncb.setName(username);
                    } else if (current instanceof PasswordCallback) {
                        PasswordCallback pcb = (PasswordCallback) current;
                        pcb.setPassword(password.toCharArray());
                    } else if (current instanceof RealmCallback) {
                        RealmCallback rcb = (RealmCallback) current;
                        rcb.setText(rcb.getDefaultText());
                    } else {
                        throw new UnsupportedCallbackException(current);
                    }
                }
            }
        };
    }

}
