package org.apache.maven.plugins.enforcer;

 /*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you 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.

  */

 import org.apache.maven.artifact.Artifact;

 import org.apache.maven.enforcer.rule.api.EnforcerRuleException;

 import org.apache.maven.enforcer.rule.api.EnforcerRuleHelper;

 import org.apache.maven.project.MavenProject;

 import org.codehaus.plexus.component.configurator.expression.ExpressionEvaluationException;

 /**

  * This rule checks that the current project is not a snapshot.

  *

  * @author <a href="mailto:brianf@apache.org">Brian Fox</a>

  */

 public class RequireReleaseVersion

     extends AbstractNonCacheableEnforcerRule

 {

     /**

      * Allows this rule to fail when the parent is defined as a snapshot.

      *

      * @parameter

      */

     public boolean failWhenParentIsSnapshot = true;

     /*

      * (non-Javadoc)

      *

      * @see org.apache.maven.enforcer.rule.api.EnforcerRule#execute(org.apache.maven.enforcer.rule.api.EnforcerRuleHelper)

      */

     public void execute( EnforcerRuleHelper theHelper )

         throws EnforcerRuleException

     {

         MavenProject project = getProject( theHelper );

         if ( project.getArtifact().isSnapshot() )

         {

             StringBuffer buf = new StringBuffer();

             if ( message != null )

             {

                 buf.append( message + "\n" );

             }

             buf.append( "This project cannot be a snapshot:" + project.getArtifact().getId() );

             throw new EnforcerRuleException( buf.toString() );

         }

         if ( failWhenParentIsSnapshot )

         {

             Artifact parentArtifact = project.getParentArtifact();

             if ( parentArtifact != null && parentArtifact.isSnapshot() )

             {

                 throw new EnforcerRuleException( "Parent Cannot be a snapshot: " + parentArtifact.getId() );

             }

         }

     }

     /**

      * @param helper

      * @return

      * @throws EnforcerRuleException

      */

     private MavenProject getProject( EnforcerRuleHelper helper )

         throws EnforcerRuleException

     {

         try

         {

             return (MavenProject) helper.evaluate( "${project}" );

         }

         catch ( ExpressionEvaluationException eee )

         {

             throw new EnforcerRuleException( "Unable to retrieve the MavenProject: ", eee );

         }

     }

     public boolean isFailWhenParentIsSnapshot()

     {

         return failWhenParentIsSnapshot;

     }

     public void setFailWhenParentIsSnapshot( boolean failWhenParentIsSnapshot )

     {

         this.failWhenParentIsSnapshot = failWhenParentIsSnapshot;

     }

 }