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/*
 * Copyright 2012 - 2015 Anton Tananaev (anton.tananaev@gmail.com)
 *
 * 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.traccar.web;

import java.net.InetSocketAddress;
import javax.naming.InitialContext;
import javax.sql.DataSource;
import org.eclipse.jetty.server.Handler;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.handler.HandlerList;
import org.eclipse.jetty.server.handler.ResourceHandler;
import org.eclipse.jetty.servlet.ServletContextHandler;
import org.eclipse.jetty.servlet.ServletHolder;
import org.eclipse.jetty.webapp.WebAppContext;
import org.traccar.Config;
import org.traccar.helper.Log;

/**
 * Integrated HTTP server
 */
public class WebServer {

    private Server server;
    
    private void initServer(Config config) {

        String address = config.getString("web.address");
        int port = config.getInteger("web.port", 8082);
        if (address == null) {
            server = new Server(port);
        } else {
            server = new Server(new InetSocketAddress(address, port));
        }
    }
    
    public WebServer(Config config, DataSource dataSource) {
        
        initServer(config);
        
        try {
            javax.naming.Context context = new InitialContext();
            context.bind("java:/DefaultDS", dataSource);
        } catch (Exception error) {
            Log.warning(error);
        }

        WebAppContext webapp = new WebAppContext();
        webapp.setContextPath("/");
        webapp.setWar(config.getString("web.application"));
        server.setHandler(webapp);        
    }

    public WebServer(Config config) {
        
        initServer(config);

        ServletContextHandler servletHandler = new ServletContextHandler(ServletContextHandler.SESSIONS);
        servletHandler.setContextPath("/api");
        servletHandler.addServlet(new ServletHolder(new AsyncServlet()), "/async/*");
        servletHandler.addServlet(new ServletHolder(new ServerServlet()), "/server/*");
        servletHandler.addServlet(new ServletHolder(new UserServlet()), "/user/*");
        servletHandler.addServlet(new ServletHolder(new DeviceServlet()), "/device/*");
        servletHandler.addServlet(new ServletHolder(new PositionServlet()), "/position/*");
        servletHandler.addServlet(new ServletHolder(new CommandsServlet()), "/commands/*");
        servletHandler.addServlet(new ServletHolder(new MainServlet()), "/*");

        /*ResourceHandler mobileResourceHandler = new ResourceHandler();
        mobileResourceHandler.setResourceBase(properties.getProperty("web.mobile"));
        mobileResourceHandler.setWelcomeFiles(new String[] {"index.html"});
        ContextHandler mobileContext = new ContextHandler("/m");
        mobileContext.setHandler(mobileResourceHandler);*/

        ResourceHandler resourceHandler = new ResourceHandler();
        resourceHandler.setResourceBase(config.getString("web.path"));
        if (config.getBoolean("web.debug")) {
            resourceHandler.setWelcomeFiles(new String[] { "debug.html" });
        } else {
            resourceHandler.setWelcomeFiles(new String[] { "release.html" });
        }

        HandlerList handlerList = new HandlerList();
        handlerList.setHandlers(new Handler[] {servletHandler, resourceHandler});

        server.setHandler(handlerList);
    }

    public void start() {
        try {
            server.start();
        } catch (Exception error) {
            Log.warning(error);
        }
    }

    public void stop() {
        try {
            server.stop();
        } catch (Exception error) {
            Log.warning(error);
        }
    }

}