/*-
 * ============LICENSE_START=======================================================
 * PolicyEngineUtils
 * ================================================================================
 * Copyright (C) 2017, 2019 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */

package org.onap.policy.utils;

import java.lang.reflect.Method;
import java.util.Properties;

public interface AAFPolicyClient {

    public boolean checkAuth(String userName, String pass);

    public void updateProperties(Properties properties) throws AAFPolicyException;

    public boolean checkAuthPerm(String mechID, String pass, String type, String instance, String action);

    public boolean checkPerm(String userName, String pass, String type, String instance, String action);

    /**
     * getInstance.
     *
     * @param properties Properties
     * @return AAFPolicyClient
     * @throws AAFPolicyException AAFPolicyException
     */
    public static AAFPolicyClient getInstance(Properties properties) throws AAFPolicyException {
        try {
            Class<?> aafPolicyClient = Class
                    .forName(properties.getProperty("aafClient.impl.className", AAFPolicyClientImpl.class.getName()));
            Method method = aafPolicyClient.getMethod("getInstance", Properties.class);
            return (AAFPolicyClient) method.invoke(null, properties);
        } catch (Exception e) {
            throw new AAFPolicyException(e);
        }
    }
}