Package org.springframework.integration.samples.storedprocedure

Source Code of org.springframework.integration.samples.storedprocedure.Main

/*
* Copyright 2002-2011 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 org.springframework.integration.samples.storedprocedure;

import java.util.List;
import java.util.Scanner;

import org.apache.log4j.Logger;
import org.springframework.context.support.AbstractApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import org.springframework.integration.samples.storedprocedure.model.CoffeeBeverage;
import org.springframework.integration.samples.storedprocedure.service.CoffeeService;


/**
* Starts the Spring Context and will initialize the Spring Integration routes.
*
* @author Gunnar Hillert
* @since 2.1
*
*/
public final class Main {

    private static final Logger LOGGER = Logger.getLogger(Main.class);

    private static final String LINE    = "\n=========================================================";
    private static final String NEWLINE = "\n                                                         ";

    private Main() { }

    /**
     * Load the Spring Integration Application Context
     *
     * @param args - command line arguments
     */
    public static void main(final String... args) {

        LOGGER.info(LINE
                  + LINE
                  + "\n    Welcome to Spring Integration Coffee Database!       "
                  + NEWLINE
                  + "\n    For more information please visit:                   "
                  + "\n    http://www.springsource.org/spring-integration       "
                  + NEWLINE
                  + LINE );

        final AbstractApplicationContext context =
                new ClassPathXmlApplicationContext("classpath:META-INF/spring/integration/*-context.xml");

        context.registerShutdownHook();

        final Scanner scanner = new Scanner(System.in);

        final CoffeeService service = context.getBean(CoffeeService.class);

        LOGGER.info(LINE
                  + NEWLINE
                  + "\n    Please press 'q + Enter' to quit the application.    "
                  + NEWLINE
                  + LINE);

        System.out.print("Please enter 'list' and press <enter> to get a list of coffees.");
        System.out.print("Enter a coffee id, e.g. '1' and press <enter> to get a description.\n\n");

        while (!scanner.hasNext("q")) {

          String input = scanner.nextLine();

          if ("list".equalsIgnoreCase(input)) {
            List<CoffeeBeverage> coffeeBeverages = service.findAllCoffeeBeverages();

            for (CoffeeBeverage coffeeBeverage : coffeeBeverages) {
              System.out.println(String.format("%s - %s", coffeeBeverage.getId(),
                                                      coffeeBeverage.getName()));
            }

          } else {
            System.out.println("Retrieving coffee information...");
                String coffeeDescription = service.findCoffeeBeverage(Integer.valueOf(input));

              System.out.println(String.format("Searched for '%s' - Found: '%s'.", input, coffeeDescription));
                System.out.print("To try again, please enter another coffee beaverage and press <enter>:\n\n");
          }

        }

        LOGGER.info("Exiting application...bye.");

        System.exit(0);

    }
}
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