com.rcaspar.fitbitbat.App.java Source code

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Here is the source code for com.rcaspar.fitbitbat.App.java

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/*
 * Copyright 2013 Rgis Caspar <regis.caspar@gmail.com>
 *
 * 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.rcaspar.fitbitbat;

import com.beust.jcommander.JCommander;
import com.beust.jcommander.Parameter;
import com.beust.jcommander.ParameterException;
import lombok.AccessLevel;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.support.GenericXmlApplicationContext;

import java.util.Arrays;

import static com.rcaspar.fitbitbat.services.OAuthService.OAuthException;

/**
 * Entry point.
 *
 * @author regis
 */
@Slf4j
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public final class App {
    /**
     * CLI args.
     *
     * @author regis
     */
    private static final class Args {
        @Parameter(names = { "-p", "--pin" }, required = false, description = "PIN from fitbit")
        @Getter
        private String pin;
    }

    /**
     * Program entry point.
     *
     * @param args CLI args
     */
    public static void main(final String[] args) {
        log.debug("main() - args={}", Arrays.asList(args));
        final Args arguments = new Args();
        try {
            new JCommander(arguments, args);

            final GenericXmlApplicationContext applicationContext = new GenericXmlApplicationContext(
                    "classpath:application-context.xml");
            applicationContext.registerShutdownHook();
            applicationContext.start();

            final Package appPackage = App.class.getPackage();
            log.info("=== {} v.{} started ===", appPackage.getImplementationTitle(),
                    appPackage.getImplementationVersion());

            final FitBitBat fitBitBat = applicationContext.getBean(FitBitBat.class);
            if (fitBitBat.checkCredentials(arguments.getPin())) {
                fitBitBat.startAsync();
            } else {
                log.error("Bad pin: {}", arguments.getPin());
            }
        } catch (final OAuthException ex) {
            System.err.println(ex.getMessage());
            System.exit(1);
        } catch (final ParameterException ex) {
            new JCommander(arguments).usage();
            System.exit(-1);
        } catch (final Exception ex) {
            log.error("Cannot startup", ex);
            System.exit(-2);
        }
    }
}