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.execution.MavenSession;
  import org.apache.maven.project.MavenProject;
  import org.codehaus.plexus.component.configurator.expression.ExpressionEvaluationException;
  import org.codehaus.plexus.util.StringUtils;
  
  /**
   * Ensure that all profiles mentioned on the commandline do exist. 
   * 
   * @author Robert Scholte
   */
  public class RequireProfileIdsExist extends AbstractNonCacheableEnforcerRule
  {
      @Override
      public void execute( EnforcerRuleHelper helper )
          throws EnforcerRuleException
      {
          try
          {
              MavenSession session = (MavenSession) helper.evaluate( "${session}" );
              
              List<String> profileIds = new ArrayList<String>();
              profileIds.addAll( session.getProjectBuildingRequest().getActiveProfileIds() );
              profileIds.addAll( session.getProjectBuildingRequest().getInactiveProfileIds() );
              
              for ( MavenProject project : session.getProjects() )
              {
                  for ( org.apache.maven.model.Profile profile : project.getModel().getProfiles() )
                  {
                      profileIds.remove( profile.getId() );
                      
                      if ( profileIds.isEmpty() )
                      {
                          return;
                      }
                  }
              }
              
              for ( org.apache.maven.settings.Profile profile : session.getSettings().getProfiles() )
              {
                  profileIds.remove( profile.getId() );
                  
                  if ( profileIds.isEmpty() )
                  {
                      return;
                  }
              }
              
              StringBuilder sb = new StringBuilder();
              if ( profileIds.size() > 1 )
              {
                  sb.append( "The requested profiles don't exist: " );
              }
              else
              {
                  sb.append( "The requested profile doesn't exist: " );
              }
              sb.append( StringUtils.join( profileIds.iterator(), ", " ) );
              
              throw new EnforcerRuleException( sb.toString() );
          }
          catch ( ExpressionEvaluationException e )
          {
              throw new EnforcerRuleException( e.getMessage() );
          }
      }
  }