/**

  * Copyright (c) 2012-2014, jcabi.com

  * All rights reserved.

  *

  * Redistribution and use in source and binary forms, with or without

  * modification, are permitted provided that the following conditions

  * are met: 1) Redistributions of source code must retain the above

  * copyright notice, this list of conditions and the following

  * disclaimer. 2) Redistributions in binary form must reproduce the above

  * copyright notice, this list of conditions and the following

  * disclaimer in the documentation and/or other materials provided

  * with the distribution. 3) Neither the name of the jcabi.com nor

  * the names of its contributors may be used to endorse or promote

  * products derived from this software without specific prior written

  * permission.

  *

  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT

  * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND

  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL

  * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,

  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,

  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED

  * OF THE POSSIBILITY OF SUCH DAMAGE.

  */

 package com.jcabi.beanstalk.maven.plugin;

 import com.jcabi.aspects.Loggable;

 import com.jcabi.log.Logger;

 import javax.validation.constraints.NotNull;

 import org.jfrog.maven.annomojo.annotations.MojoGoal;

 import org.jfrog.maven.annomojo.annotations.MojoPhase;

 /**

  * Deploys WAR artifact to AWS Elastic Beanstalk.

  *

  * @author Yegor Bugayenko (yegor@tpc2.com)

  * @version $Id$

  * @since 0.3

  */

 @MojoGoal("deploy")

 @MojoPhase("deploy")

 @Loggable(Loggable.INFO)

 public final class DeployMojo extends AbstractBeanstalkMojo {

     /**

      * {@inheritDoc}

      */

     @Override

     public void exec(@NotNull final Application app,

         @NotNull final Version version, @NotNull final String template) {

         try {

             this.deploy(app, version, template);

         } catch (final DeploymentException ex) {

             app.clean(false);

             throw ex;

         }

     }

     /**

      * Deploy using this EBT client.

      * @param app The application to deploy to

      * @param version Version to deploy

      * @param template Template to use

      */

     private void deploy(final Application app, final Version version,

         final String template) {

         app.clean(false);

         final Environment candidate = app.candidate(version, template);

         if (this.isGreen(candidate)) {

             if (candidate.primary()) {

                 Logger.info(

                     this,

                     "Candidate env '%s' is already primary, no need to swap",

                     candidate

                 );

             } else {

                 Logger.info(

                     this,

                     "Candidate env '%s' is not primary, let's swap",

                     candidate

                 );

                 app.swap(candidate);

             }

         } else {

             this.postMortem(candidate);

             throw new DeploymentException(

                 String.format(

                     "failed to deploy, since %s never got GREEN", candidate

                 )

             );

         }

     }

 }