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/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [https://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j 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, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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, see .
 */
package org.neo4j.server.modules;

import java.util.Collections;
import java.util.List;
import org.neo4j.configuration.Config;
import org.neo4j.logging.InternalLog;
import org.neo4j.logging.InternalLogProvider;
import org.neo4j.server.configuration.ServerSettings;
import org.neo4j.server.configuration.ThirdPartyJaxRsPackage;
import org.neo4j.server.web.WebServer;

public class ThirdPartyJAXRSModule implements ServerModule {
    private final Config config;
    private final WebServer webServer;

    private List packages;
    private final InternalLog log;

    public ThirdPartyJAXRSModule(WebServer webServer, Config config, InternalLogProvider logProvider) {
        this.webServer = webServer;
        this.config = config;
        this.log = logProvider.getLog(getClass());
    }

    @Override
    public void start() {
        this.packages = config.get(ServerSettings.third_party_packages);
        for (ThirdPartyJaxRsPackage tpp : packages) {
            List packageNames = packagesFor(tpp);
            webServer.addJAXRSPackages(packageNames, tpp.mountPoint(), null);
            log.info("Mounted unmanaged extension [%s] at [%s]", tpp.packageName(), tpp.mountPoint());
        }
    }

    private static List packagesFor(ThirdPartyJaxRsPackage tpp) {
        return Collections.singletonList(tpp.packageName());
    }

    @Override
    public void stop() {
        if (packages == null) {
            return;
        }

        for (ThirdPartyJaxRsPackage tpp : packages) {
            webServer.removeJAXRSPackages(packagesFor(tpp), tpp.mountPoint());
        }
    }
}