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/**
 * ============LICENSE_START====================================================
 * org.onap.ccsdk
 * ===========================================================================
 * Copyright (c) 2023 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.ccsdk.apps.cadi.config;

import java.net.HttpURLConnection;
import java.util.HashMap;
import java.util.Map;

import org.onap.ccsdk.apps.cadi.Access;
import org.onap.ccsdk.apps.cadi.CadiException;
import org.onap.ccsdk.apps.cadi.SecuritySetter;


public class SecurityInfoC<CLIENT> extends SecurityInfo {
    public static final String DEF_ID = "ID not Set";
    private static Map<Class<?>,SecurityInfoC<?>> sicMap = new HashMap<>();
    public SecuritySetter<CLIENT> defSS;


    public SecurityInfoC(Access access) throws CadiException {
        super(access);
        defSS = new DEFSS<CLIENT>();
    }

    @SuppressWarnings("unchecked")
    public static synchronized <CLIENT> SecurityInfoC<CLIENT> instance(Access access, Class<CLIENT> cls) throws CadiException {
        SecurityInfoInit<CLIENT> sii;
        if (cls.isAssignableFrom(HttpURLConnection.class)) {
            try {
                @SuppressWarnings("rawtypes")
                Class<SecurityInfoInit> initCls = (Class<SecurityInfoInit>)Class.forName("org.onap.ccsdk.apps.cadi.http.HSecurityInfoInit");
                sii = initCls.newInstance();
            } catch (ClassNotFoundException | InstantiationException | IllegalAccessException e) {
                throw new CadiException("CADI using HttpURLConnection requires cadi-client jar",e);
            }
        } else {
            sii = new SecurityInfoInit<CLIENT>() {
                @Override
                public SecuritySetter<CLIENT> bestDefault(SecurityInfoC<CLIENT> si) throws CadiException {
                    return new DEFSS<CLIENT>();
                }
            };
        }

        SecurityInfoC<CLIENT> sic = (SecurityInfoC<CLIENT>) sicMap.get(cls);
        if (sic==null) {
            sic = new SecurityInfoC<CLIENT>(access);
            sic.set(sii.bestDefault(sic));
            sicMap.put(cls, sic);
        }
        return sic;
    }

    public SecurityInfoC<CLIENT> set(SecuritySetter<CLIENT> defSS) {
        this.defSS = defSS;
        return this;
    }

    private static class DEFSS<C> implements SecuritySetter<C> {
        @Override
        public String getID() {
            return DEF_ID;
        }

        @Override
        public void setSecurity(C client) throws CadiException {
            throw new CadiException("No Client Credentials set.");
        }

        @Override
        public int setLastResponse(int respCode) {
            return 0;
        }
    };
}