package org.apache.maven.settings.building;
   
   /*
    * 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.File;
  import java.util.Properties;
  
  /**
   * Collects settings that control building of effective settings.
   *
   * @author Benjamin Bentmann
   */
  public class DefaultSettingsBuildingRequest
      implements SettingsBuildingRequest
  {
  
      private File globalSettingsFile;
  
      private File userSettingsFile;
  
      private SettingsSource globalSettingsSource;
  
      private SettingsSource userSettingsSource;
  
      private Properties systemProperties;
  
      private Properties userProperties;
  
      @Override
      public File getGlobalSettingsFile()
      {
          return globalSettingsFile;
      }
  
      @Override
      public DefaultSettingsBuildingRequest setGlobalSettingsFile( File globalSettingsFile )
      {
          this.globalSettingsFile = globalSettingsFile;
  
          return this;
      }
  
      @Override
      public SettingsSource getGlobalSettingsSource()
      {
          return globalSettingsSource;
      }
  
      @Override
      public DefaultSettingsBuildingRequest setGlobalSettingsSource( SettingsSource globalSettingsSource )
      {
          this.globalSettingsSource = globalSettingsSource;
  
          return this;
      }
  
      @Override
      public File getUserSettingsFile()
      {
          return userSettingsFile;
      }
  
      @Override
      public DefaultSettingsBuildingRequest setUserSettingsFile( File userSettingsFile )
      {
          this.userSettingsFile = userSettingsFile;
  
          return this;
      }
  
      @Override
      public SettingsSource getUserSettingsSource()
      {
          return userSettingsSource;
      }
  
      @Override
      public DefaultSettingsBuildingRequest setUserSettingsSource( SettingsSource userSettingsSource )
      {
          this.userSettingsSource = userSettingsSource;
  
          return this;
     }
 
     @Override
     public Properties getSystemProperties()
     {
         if ( systemProperties == null )
         {
             systemProperties = new Properties();
         }
 
         return systemProperties;
     }
 
     @Override
     public DefaultSettingsBuildingRequest setSystemProperties( Properties systemProperties )
     {
         if ( systemProperties != null )
         {
             this.systemProperties = new Properties();
             synchronized ( systemProperties )
             { // avoid concurrentmodification if someone else sets/removes an unrelated system property
                 this.systemProperties.putAll( systemProperties );
             }
         }
         else
         {
             this.systemProperties = null;
         }
 
         return this;
     }
 
     @Override
     public Properties getUserProperties()
     {
         if ( userProperties == null )
         {
             userProperties = new Properties();
         }
 
         return userProperties;
     }
 
     @Override
     public DefaultSettingsBuildingRequest setUserProperties( Properties userProperties )
     {
         if ( userProperties != null )
         {
             this.userProperties = new Properties();
             this.userProperties.putAll( userProperties );
         }
         else
         {
             this.userProperties = null;
         }
 
         return this;
     }
 
 }