/*
* Copyright 2002-2013 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.GenericXmlApplicationContext;
import org.springframework.integration.samples.storedprocedure.model.CoffeeBeverage;
import org.springframework.integration.samples.storedprocedure.service.CoffeeService;
import org.springframework.integration.samples.storedprocedure.service.StringConversionService;
/**
* Starts the Spring Context and will initialize the Spring Integration routes.
*
* @author Gunnar Hillert
* @version 1.0
*
*/
public final class Main {
private static final Logger LOGGER = Logger.getLogger(Main.class);
private Main() { }
/**
* Load the Spring Integration Application Context
*
* @param args - command line arguments
*/
public static void main(final String... args) {
final Scanner scanner = new Scanner(System.in);
LOGGER.info("\n========================================================="
+ "\n "
+ "\n Welcome to Spring Integration's "
+ "\n Stored Procedure/Function Sample for Oracle "
+ "\n "
+ "\n For more information please visit: "
+ "\n http://www.springsource.org/spring-integration "
+ "\n "
+ "\n=========================================================" );
while (true) {
System.out.println("Please enter a choice and press <enter>: ");
System.out.println("\t1. Execute Sample 1 (Capitalize String)");
System.out.println("\t2. Execute Sample 2 (Coffee Service)");
System.out.println("\tq. Quit the application");
final String input = scanner.nextLine();
if("1".equals(input.trim())) {
executeSample1();
continue;
} else if("2".equals(input.trim())) {
executeSample2();
continue;
} else if("q".equals(input.trim())) {
break;
} else {
System.out.println("Invalid choice\n\n");
System.out.print("Enter you choice: ");
}
}
System.out.println("Exiting application.");
System.exit(0);
}
private static void executeSample1() {
final Scanner scanner = new Scanner(System.in);
final GenericXmlApplicationContext context = new GenericXmlApplicationContext();
context.load("classpath:META-INF/spring/integration/spring-integration-sample1-context.xml");
context.registerShutdownHook();
context.refresh();
final StringConversionService service = context.getBean(StringConversionService.class);
final String message =
"\n========================================================="
+ "\n "
+ "\n Please press 'q + Enter' to quit the application. "
+ "\n "
+ "\n========================================================="
+ "\n\n Please enter a string and press <enter>: ";
System.out.print(message);
while (!scanner.hasNext("q")) {
String input = scanner.nextLine();
System.out.println("Converting String to Uppcase using Stored Procedure...");
String inputUpperCase = service.convertToUpperCase(input);
System.out.println("Retrieving Numeric value via Sql Function...");
Integer number = service.getNumber();
System.out.println(String.format("Converted '%s' - End Result: '%s_%s'.", input, inputUpperCase, number));
System.out.print("To try again, please enter a string and press <enter>:");
}
context.close();
System.out.println("Back to main menu.");
}
private static void executeSample2() {
final Scanner scanner = new Scanner(System.in);
final GenericXmlApplicationContext context = new GenericXmlApplicationContext();
context.load("classpath:META-INF/spring/integration/spring-integration-sample2-context.xml");
context.registerShutdownHook();
context.refresh();
final CoffeeService service = context.getBean(CoffeeService.class);
final String message = "\n\n" +
"* Please enter 'list' and press <enter> to get a list of coffees.\n" +
"* Enter a coffee id, e.g. '1' and press <enter> to get a description.\n" +
"* Please press 'q + Enter' to quit the application.\n";
System.out.println(message);
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 beverage and press <enter>:\n\n");
}
}
context.close();
System.out.println("Back to main menu.");
}
}