/*
    *  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
    *  
   *    https://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.directory.api.ldap.model.schema.registries;
  
  
  import java.util.Map;
  
  import org.apache.directory.api.i18n.I18n;
  import org.apache.directory.api.ldap.model.exception.LdapException;
  import org.apache.directory.api.ldap.model.schema.LdapComparator;
  import org.apache.directory.api.ldap.model.schema.SchemaObject;
  import org.apache.directory.api.ldap.model.schema.SchemaObjectType;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  
  /**
   * A Comparator registry service default implementation.
   *
   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
   */
  public class DefaultComparatorRegistry extends DefaultSchemaObjectRegistry<LdapComparator<?>>
      implements ComparatorRegistry
  {
      /** static class logger */
      private static final Logger LOG = LoggerFactory.getLogger( DefaultComparatorRegistry.class );
  
      /**
       * Creates a new default ComparatorRegistry instance.
       */
      public DefaultComparatorRegistry()
      {
          super( SchemaObjectType.COMPARATOR, new OidRegistry<LdapComparator<?>>() );
      }
  
  
      /**
       * {@inheritDoc}
       */
      @Override
      public void unregisterSchemaElements( String schemaName ) throws LdapException
      {
          if ( schemaName == null )
          {
              return;
          }
  
          // Loop on all the SchemaObjects stored and remove those associated
          // with the give schemaName
          for ( LdapComparator<?> comparator : this )
          {
              if ( schemaName.equalsIgnoreCase( comparator.getSchemaName() ) )
              {
                  String oid = comparator.getOid();
                  SchemaObject removed = unregister( oid );
  
                  if ( LOG.isDebugEnabled() )
                  {
                      LOG.debug( I18n.msg( I18n.MSG_13702_REMOVED_FROM_REGISTRY, removed, oid ) );
                  }
              }
          }
      }
  
  
      /**
       * {@inheritDoc}
       */
      @Override
      public DefaultComparatorRegistry copy()
      {
          DefaultComparatorRegistry copy = new DefaultComparatorRegistry();
  
          // Copy the base data
          copy.copy( this );
  
          return copy;
      }
  
  
      /**
       * @see Object#toString()
      */
     @Override
     public String toString()
     {
         StringBuilder sb = new StringBuilder();
 
         sb.append( schemaObjectType ).append( ": " );
         boolean isFirst = true;
 
         for ( Map.Entry<String, LdapComparator<?>> entry : byName.entrySet() )
         {
             if ( isFirst )
             {
                 isFirst = false;
             }
             else
             {
                 sb.append( ", " );
             }
 
             LdapComparator<?> comparator = entry.getValue();
 
             String fqcn = comparator.getFqcn();
             int lastDotPos = fqcn.lastIndexOf( '.' );
 
             sb.append( '<' ).append( comparator.getOid() ).append( ", " );
 
             if ( lastDotPos > 0 )
             {
                 sb.append( fqcn.substring( lastDotPos + 1 ) );
             }
             else
             {
                 sb.append( fqcn );
             }
 
             sb.append( '>' );
         }
 
         return sb.toString();
     }
 }