001/*
002 *   Licensed to the Apache Software Foundation (ASF) under one
003 *   or more contributor license agreements.  See the NOTICE file
004 *   distributed with this work for additional information
005 *   regarding copyright ownership.  The ASF licenses this file
006 *   to you under the Apache License, Version 2.0 (the
007 *   "License"); you may not use this file except in compliance
008 *   with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 *   Unless required by applicable law or agreed to in writing,
013 *   software distributed under the License is distributed on an
014 *   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 *   KIND, either express or implied.  See the License for the
016 *   specific language governing permissions and limitations
017 *   under the License.
018 *
019 */
020
021package org.apache.directory.api.ldap.model.schema.registries;
022
023import java.util.HashMap;
024import java.util.Map;
025
026import org.apache.directory.api.util.Strings;
027
028/**
029 * a map implementation which converts the keys to lower case before inserting
030 *
031 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
032 */
033public final class LowerCaseKeyMap extends HashMap<String, Schema>
034{
035    private static final long serialVersionUID = 1L;
036
037    
038    /**
039     * {@inheritDoc}
040     */
041    @Override
042    public Schema get( Object key )
043    {
044        return super.get( Strings.toLowerCaseAscii( ( String ) key ) );
045    }
046
047    
048    /**
049     * {@inheritDoc}
050     */
051    @Override
052    public Schema remove( Object key )
053    {
054        return super.remove( Strings.toLowerCaseAscii( ( String ) key ) );
055    }
056    
057    
058    /**
059     * {@inheritDoc}
060     */
061    @Override
062    public boolean containsKey( Object key )
063    {
064        return super.containsKey( Strings.toLowerCaseAscii( ( String ) key ) );
065    }
066
067    
068    /**
069     * {@inheritDoc}
070     */
071    @Override
072    public Schema put( String key, Schema value )
073    {
074        return super.put( Strings.toLowerCaseAscii( key ), value );
075    }
076
077
078    /**
079     * {@inheritDoc}
080     */
081    @Override
082    public void putAll( Map<? extends String, ? extends Schema> map )
083    {
084        for ( Map.Entry<? extends String, ? extends Schema> e : map.entrySet() )
085        {
086            super.put( Strings.toLowerCaseAscii( e.getKey() ), e.getValue() );
087        }
088    }
089}