package org.apache.maven.profiles.activation;
   
   /*
    * 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.io.IOException;
  
  import org.apache.maven.model.Activation;
  import org.apache.maven.model.ActivationFile;
  import org.apache.maven.model.Profile;
  import org.codehaus.plexus.interpolation.EnvarBasedValueSource;
  import org.codehaus.plexus.interpolation.InterpolationException;
  import org.codehaus.plexus.interpolation.MapBasedValueSource;
  import org.codehaus.plexus.interpolation.RegexBasedInterpolator;
  import org.codehaus.plexus.logging.LogEnabled;
  import org.codehaus.plexus.logging.Logger;
  import org.codehaus.plexus.util.FileUtils;
  import org.codehaus.plexus.util.StringUtils;
  
  /**
   * FileProfileActivator
   */
  @Deprecated
  public class FileProfileActivator
      extends DetectedProfileActivator
      implements LogEnabled
  {
      private Logger logger;
  
      protected boolean canDetectActivation( Profile profile )
      {
          return profile.getActivation() != null && profile.getActivation().getFile() != null;
      }
  
      public boolean isActive( Profile profile )
      {
          Activation activation = profile.getActivation();
  
          ActivationFile actFile = activation.getFile();
  
          if ( actFile != null )
          {
              // check if the file exists, if it does then the profile will be active
              String fileString = actFile.getExists();
  
              RegexBasedInterpolator interpolator = new RegexBasedInterpolator();
              try
              {
                  interpolator.addValueSource( new EnvarBasedValueSource() );
              }
              catch ( IOException e )
              {
                  // ignored
              }
              interpolator.addValueSource( new MapBasedValueSource( System.getProperties() ) );
  
              try
              {
                  if ( StringUtils.isNotEmpty( fileString ) )
                  {
                      fileString = StringUtils.replace( interpolator.interpolate( fileString, "" ), "\\", "/" );
                      return FileUtils.fileExists( fileString );
                  }
  
                  // check if the file is missing, if it is then the profile will be active
                  fileString = actFile.getMissing();
  
                  if ( StringUtils.isNotEmpty( fileString ) )
                  {
                      fileString = StringUtils.replace( interpolator.interpolate( fileString, "" ), "\\", "/" );
                      return !FileUtils.fileExists( fileString );
                  }
              }
              catch ( InterpolationException e )
              {
                  if ( logger.isDebugEnabled() )
                  {
                      logger.debug( "Failed to interpolate missing file location for profile activator: " + fileString,
                                    e );
                  }
                  else
                  {
                      logger.warn( "Failed to interpolate missing file location for profile activator: " + fileString
                         + ". Run in debug mode (-X) for more information." );
                 }
             }
         }
 
         return false;
     }
 
     public void enableLogging( Logger logger )
     {
         this.logger = logger;
     }
 }