Android Open Source - droidBBpush Application Listener

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License

The source code is released under:

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Java Source Code

package com.arg3.examples.push;
//from  w w  w. j av a  2s .  c o m
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

import javax.servlet.ServletContext;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;

import dagger.ObjectGraph;

/**
 * Created by c0der78 on 2014-09-27.
 */
public class ApplicationListener implements ServletContextListener {

    @Override
    public void contextInitialized(ServletContextEvent sce) {

        initObjectGraph(sce.getServletContext());

        initDatabase(sce.getServletContext());
    }

    private static void initObjectGraph(ServletContext context) {
        Object[] modules = new Object[]{
                new MainModule(context)
        };

        ObjectGraph mObjectGraph = ObjectGraph.create(modules);

        context.setAttribute(ObjectGraph.class.getName(), mObjectGraph);

    }

    private static void initDatabase(ServletContext context) {

        try {
            Class.forName("org.hsqldb.jdbcDriver");
        } catch (ClassNotFoundException e) {
            e.printStackTrace(System.out);
        }
        try {
            Connection connection = DriverManager.getConnection("jdbc:hsqldb:exampledb", "SA", "");

            initSqlConnection(connection);

            context.setAttribute(Connection.class.getName(), connection);

        } catch (SQLException e) {
            e.printStackTrace(System.out);
        }

    }

    private static void initSqlConnection(Connection connection) throws SQLException {
        Statement stmt = null;

        try {
            stmt = connection.createStatement();

            stmt.executeUpdate("create table if not exists devices (id integer generated by default as identity primary key, type varchar(45) not null, token varchar(1024) not null)");
        } finally {
            if (stmt != null)
                stmt.close();
        }
    }

    @Override
    public void contextDestroyed(ServletContextEvent sce) {
        Connection connection = (Connection) sce.getServletContext().getAttribute(Connection.class.getName());

        if (connection != null) {
            try {
                connection.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }

}

Java Source Code List