GjjApplication.java

/*
 * Copyright 2015 the original author or authors.
 *
 * 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 com.github.atdi.gboot.gjj;

import com.github.atdi.gboot.common.guice.GBootApplication;
import com.github.atdi.gboot.common.guice.web.GuiceInjectorCreator;
import com.google.inject.Module;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.servlet.DefaultServlet;
import org.eclipse.jetty.servlet.ServletContextHandler;
import org.eclipse.jetty.servlet.ServletHolder;
import org.glassfish.jersey.servlet.ServletContainer;
import org.glassfish.jersey.servlet.ServletProperties;
import org.eclipse.jetty.server.session.AbstractSessionIdManager;

/**
 * Embedded jetty application starter.
 * @param <T> session id manager if you need clustering
 */
public class GjjApplication<T extends AbstractSessionIdManager> extends GBootApplication {

    private final Server server;

    /**
     * Constructor.
     * @param resourceConfigClassName jersey resource config class name
     * @param args main method arguments
     * @param sessionIdManager session manager for clustered configurations
     * @param modules additional guice modules
     */
    public GjjApplication(String resourceConfigClassName, String[] args, T sessionIdManager, Module... modules) {
        super(args);
        server = new Server(getPort());
        if(sessionIdManager != null) {
            server.setSessionIdManager(sessionIdManager);
        }
        ServletContextHandler servletContextHandler = new ServletContextHandler(server, "/");
        servletContextHandler.addServlet(DefaultServlet.class, "/");
        Module[] tempModules = new Module[1];
        int moduleIndex = 0;
        if(modules == null) {
            tempModules = new Module[modules.length+1];
            moduleIndex = modules.length;
        }
        tempModules[moduleIndex] = getConfigurationModule();
        GuiceInjectorCreator.createInjector(tempModules);
        ServletHolder jerseyServletHolder = new ServletHolder(new ServletContainer());
        jerseyServletHolder.setInitParameter(ServletProperties.JAXRS_APPLICATION_CLASS, resourceConfigClassName);
        servletContextHandler.addServlet(jerseyServletHolder, "/" + getJerseyRootPath() + "/*");
    }

    @Override
    public void start() throws Exception {
        server.start();
    }

    @Override
    public void join() throws Exception {
        server.join();
    }

    @Override
    public void stop() throws Exception {
        server.stop();
    }
}