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.
       *  
       * @see {@link #setProfiles(String)}
       * @see {@link #getProfiles()}
       */
      private String profiles = null;
  
      /** If all profiles must be active. If false, only one must be active
       *
       * @see {@link #setAll(boolean)}
       * @see {@link #isAll()}
       */
      private boolean all = true;
      
      public final String getProfiles()
      {
          return profiles;
      }
      
      public final void setProfiles( String profiles )
      {
          this.profiles = profiles;
      }
      
      public final boolean isAll()
      {
          return all;
      }
      
      public final void setAll( boolean all )
      {
          this.all = all;
      }
  
      @Override
      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() )
                  {
                      if ( all || missingProfiles.size() == profs.length )
                      {
                        fail = true;
                     }
                 }
 
                 if ( fail )
                 {
                     String message = getMessage();
                     StringBuilder buf = new StringBuilder();
                     if ( message != null )
                     {
                         buf.append( message + System.lineSeparator() );
                     }
 
                     for ( String profile : missingProfiles )
                     {
                         buf.append( "Profile \"" + profile + "\" is not activated." + System.lineSeparator() );
                     }
 
                     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 )
     {
         List<Profile> activeProfiles = project.getActiveProfiles();
         if ( activeProfiles != null && !activeProfiles.isEmpty() )
         {
             for ( Profile profile : activeProfiles )
             {
                 if ( profile.getId().equals( profileName ) )
                 {
                     return true;
                 }
             }
         }
 
         return false;
     }
 }