package org.apache.archiva.redback.common.ldap.role;
   /*
    * 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 com.google.common.collect.ArrayListMultimap;
  import com.google.common.collect.Multimap;
  import org.apache.archiva.redback.common.ldap.MappingException;
  import org.apache.archiva.redback.configuration.UserConfiguration;
  import org.apache.archiva.redback.configuration.UserConfigurationKeys;
  import org.apache.commons.lang.StringUtils;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.stereotype.Service;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  import java.util.Collection;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  /**
   * <b>This implementation is only in memory you must use a different one if you need to save datas.</b>
   *
   * @author Olivier Lamy
   * @since 2.1
   */
  @Service("ldapRoleMapperConfiguration#default")
  public class DefaultLdapRoleMapperConfiguration
      implements LdapRoleMapperConfiguration
  {
  
      private Logger log = LoggerFactory.getLogger( getClass() );
  
      private Map<String, List<String>> ldapMappings = new HashMap<String, List<String>>();
  
      @Inject
      @Named(value = "userConfiguration#default")
      private UserConfiguration userConf;
  
      public void addLdapMapping( String ldapGroup, List<String> roles )
          throws MappingException
      {
          ldapMappings.put( ldapGroup, roles );
          log.warn( "addLdapMapping implemented but only in memory save: group '{}' roles '{}'", ldapGroup, roles );
      }
  
      public void removeLdapMapping( String group )
      {
          ldapMappings.remove( group );
      }
  
      public void updateLdapMapping( String ldapGroup, List<String> roles )
          throws MappingException
      {
          ldapMappings.put( ldapGroup, roles );
          log.warn( "updateLdapMapping implemented but only in memory save: group '{}' roles '{}'", ldapGroup, roles );
      }
  
      public void setLdapGroupMappings( Map<String, List<String>> mappings )
          throws MappingException
      {
          log.warn( "setLdapGroupMappings implemented but only in memory save" );
          this.ldapMappings = mappings;
      }
  
      public Map<String, Collection<String>> getLdapGroupMappings()
      {
          Multimap<String, String> map = ArrayListMultimap.create();
  
          Collection<String> keys = userConf.getKeys();
  
          for ( String key : keys )
          {
              if ( key.startsWith( UserConfigurationKeys.LDAP_GROUPS_ROLE_START_KEY ) )
              {
                  String val = userConf.getString( key );
                  String[] roles = StringUtils.split( val, ',' );
                  for ( String role : roles )
                  {
                      map.put( StringUtils.substringAfter( key, UserConfigurationKeys.LDAP_GROUPS_ROLE_START_KEY ),
                               role );
                  }
             }
         }
 
         for ( Map.Entry<String, List<String>> entry : this.ldapMappings.entrySet() )
         {
             map.putAll( entry.getKey(), entry.getValue() );
         }
 
         Map<String, Collection<String>> mappings = map.asMap();
         return mappings;
     }
 }