org.springmodules.samples.jsr94.main.TestJSR94.java Source code

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Here is the source code for org.springmodules.samples.jsr94.main.TestJSR94.java

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/*
 * Copyright 2002-2004 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.springmodules.samples.jsr94.main;

import java.util.Iterator;
import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springmodules.samples.jsr94.model.Car;
import org.springmodules.samples.jsr94.services.CarsService;

/**
 * Sample class to test JSR94 support
 * 
 * @author Thierry Templier
 */
public class TestJSR94 {
    private static final Log log = LogFactory.getLog(TestJSR94.class);

    private static void showCars(List cars) {
        for (Iterator i = cars.iterator(); i.hasNext();) {
            Car car = (Car) i.next();
            log.info("## " + car.getName() + " (" + car.getId() + ")");
            log.info("    - " + car.getMark());
            log.info("    - " + car.getModel());
            log.info("    - " + car.getYear());
            log.info("    - " + car.getPrice());
        }
    }

    private static void showGoodBargainCars(CarsService service) {
        List goodBargainCars = service.getGoodBargainCars();
        log.info("List of the goodbargain cars:");
        showCars(goodBargainCars);
    }

    /**
     * Method that selects the spring context to use according to
     * the application parameters.
     * @param args main arguments
     * @return the spring context file to use
     */
    private static String getContextEngine(String[] args) {
        String engine = "drools";
        if (args.length == 1) {
            engine = args[0];
        } else {
            System.out.println("The rule engine is not specified.");
        }
        System.out.println("The '" + engine + "' rule engine will be used...");

        return "/rulesource-" + engine + ".xml";
    }

    /**
     * Main method to launch the sample application
     * @param args main arguments
     */
    public static void main(String[] args) {
        ClassPathXmlApplicationContext ctx = null;
        try {
            ctx = new ClassPathXmlApplicationContext(getContextEngine(args));
            CarsService service = (CarsService) ctx.getBean("carsService");
            showGoodBargainCars(service);
        } catch (Exception ex) {
            ex.printStackTrace();
            log.error("Error during execution", ex);
        } finally {
            if (ctx != null) {
                ctx.close();
            }
        }
    }
}