src/main/java/org/apache/usergrid/persistence/qakka/api/impl/GuiceStartupListener.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.usergrid.persistence.qakka.api.impl;

import com.google.inject.Guice;
import com.google.inject.Injector;
import com.google.inject.servlet.GuiceServletContextListener;
import com.google.inject.servlet.ServletModule;
import org.apache.usergrid.persistence.qakka.App;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.slf4j.bridge.SLF4JBridgeHandler;

import java.util.logging.LogManager;


public class GuiceStartupListener extends GuiceServletContextListener {
    private static final Logger logger = LoggerFactory.getLogger( GuiceStartupListener.class );

    public static App APP = null;

    public static Injector INJECTOR = null;

    static {

        try {
            LogManager.getLogManager().reset();
            SLF4JBridgeHandler.install();

            logger.info("Creating injector and installing GuiceWebModule");
            
            INJECTOR = Guice.createInjector( new ServletModule() {
                @Override
                protected void configureServlets() {
                    install( new GuiceWebModule() );
                }
            } );

            logger.info("Starting Qakka and Akka Cluster...");
            APP = INJECTOR.getInstance( App.class );
            APP.start();

        } catch ( Throwable t ) {
            logger.error("Error static initializing StartupListener class", t);
        }

    }

    @Override
    protected Injector getInjector() {
        return INJECTOR;
    }
}