/*
    * 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.
   */
  package org.apache.maven.profiles.activation;
  
  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 (fileString != null && !fileString.isEmpty()) {
                      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 (fileString != null && !fileString.isEmpty()) {
                      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
                              + ", enable verbose output (-X) for more details");
                  }
              }
          }
  
          return false;
      }
  
      public void enableLogging(Logger logger) {
          this.logger = logger;
      }
  }