/*
 *   Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 *
 *   WSO2 Inc. licenses this file to you 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.wso2.carbon.webapp.authenticator.framework;

import org.apache.catalina.connector.Request;
import org.wso2.carbon.webapp.authenticator.framework.authenticator.WebappAuthenticator;
import org.wso2.carbon.webapp.authenticator.framework.internal.AuthenticatorFrameworkDataHolder;

import java.util.Map;

public class WebappAuthenticatorFactory {

    public static WebappAuthenticator getAuthenticator(String authScheme) {
        return AuthenticatorFrameworkDataHolder.getInstance().getWebappAuthenticatorRepository().
                getAuthenticator(authScheme);
    }

    public static WebappAuthenticator getAuthenticator(Request request) {
        Map<String, WebappAuthenticator> authenticators =
                AuthenticatorFrameworkDataHolder.getInstance().getWebappAuthenticatorRepository().getAuthenticators();
        for (WebappAuthenticator authenticator : authenticators.values()) {
            if (authenticator.canHandle(request)) {
                return authenticator;
            }
        }
        return null;
    }

}
