com.harpatec.examples.app.Main.java Source code

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Here is the source code for com.harpatec.examples.app.Main.java

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/*
 * Copyright 2002-2012 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 com.harpatec.examples.app;

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

import com.harpatec.examples.bean.Address;
import com.harpatec.examples.bean.Person;
import com.harpatec.examples.exception.ValidationFailureException;
import com.harpatec.examples.service.BeanValidationService;

/**
 * Starts the Spring Context and will initialize the Spring Integration routes.
 *
 * @author Robert Hudson
 * @since 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 AbstractApplicationContext context = new ClassPathXmlApplicationContext(
                "classpath:META-INF/spring/integration/*-context.xml");

        context.registerShutdownHook();

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

        //
        // Validate a Person bean that will pass
        //
        Person person = new Person();
        person.setFirstName("Davey");
        person.setLastName("Jones");

        validateObject(service, person);

        //
        // Validate a Person bean that will fail
        //
        person = new Person();
        person.setFirstName("");
        person.setLastName("Jones");

        validateObject(service, person);

        //
        // Validate an Address bean that will pass
        //
        Address address = new Address();
        address.setStreetNumber("12345");
        address.setStreetName("Main St.");
        address.setCity("Anytown");
        address.setState("CA");
        address.setZipCode("70808");

        validateObject(service, address);

        //
        // Validate an Address bean that will fail
        //

        address = new Address();
        address.setStreetNumber(null);
        address.setStreetName("");
        address.setCity("Anytown");
        address.setState("CA2");
        address.setZipCode("70808123123");

        validateObject(service, address);

        System.exit(0);

    }

    private static void validateObject(BeanValidationService service, Object bean) {

        try {
            LOGGER.info("Submitting Object for validation: " + bean);
            Object result = service.validate(bean);
            LOGGER.info("Validation passed for object: " + bean);

        } catch (MessageHandlingException e) {
            processException(e);
        }

    }

    private static void processException(MessageHandlingException e) {
        LOGGER.info("Received exception!!!");
        Throwable cause = e.getCause();
        if (cause instanceof ValidationFailureException) {
            ValidationFailureException failureException = (ValidationFailureException) cause;
            LOGGER.info("Validation Error messages:");
            for (String message : failureException.getFailureMessages()) {
                LOGGER.info("\t" + message);
            }
        }
    }
}