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 java.util.ArrayList;

 import java.util.List;

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

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

 import org.apache.maven.model.Profile;

 import org.apache.maven.project.MavenProject;

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

 import org.codehaus.plexus.util.StringUtils;

 /**

  * This rule checks that some profiles are active.

  *

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

  */

 public class RequireActiveProfile

     extends AbstractNonCacheableEnforcerRule

 {

     /** Comma separated list of profiles to check. */

     public String profiles = null;

     /** If all profiles must be active. If false, only one must be active */

     public boolean all = 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

     {

         List<String> missingProfiles = new ArrayList<String>();

         try

         {

             MavenProject project = (MavenProject) theHelper.evaluate( "${project}" );

             if ( StringUtils.isNotEmpty( profiles ) )

             {

                 String[] profs = profiles.split( "," );

                 for ( String profile : profs )

                 {

                     if ( !isProfileActive( project, profile ) )

                     {

                         missingProfiles.add( profile );

                     }

                 }

                 boolean fail = false;

                 if ( !missingProfiles.isEmpty() )

                 {

                     fail = true;

                     // if (all && missingProfiles.size() != profs.length)

                     // {

                     // fail = true;

                     // }

                     // else

                     // {

                     // if (!all && missingProfiles.size() >= (profs.length -1))

                     // {

                     // fail = true;

                     // }

                     // }

                 }

                 if ( fail )

                 {

                     StringBuilder buf = new StringBuilder();

                     if ( message != null )

                     {

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

                     }

                     for ( String profile : missingProfiles )

                     {

                         buf.append( "Profile \"" + profile + "\" is not activated.\n" );

                     }

                     throw new EnforcerRuleException( buf.toString() );

                 }

             }

         }

         catch ( ExpressionEvaluationException e )

         {

             throw new EnforcerRuleException( "Unable to retrieve the project.", e );

         }

     }

     /**

      * Checks if profile is active.

      *

      * @param project the project

      * @param profileName the profile name

      * @return <code>true</code> if profile is active, otherwise <code>false</code>

      */

     protected boolean isProfileActive( MavenProject project, String profileName )

     {

         @SuppressWarnings( "unchecked" )

         List<Profile> activeProfiles = project.getActiveProfiles();

         if ( activeProfiles != null && !activeProfiles.isEmpty() )

         {

             for ( Profile profile : activeProfiles )

             {

                 if ( profile.getId().equals( profileName ) )

                 {

                     return true;

                 }

             }

         }

         return false;

     }

 }