1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 * 19 */ 20 package org.apache.directory.api.ldap.model.schema.comparators; 21 22 23 import org.apache.directory.api.ldap.model.schema.normalizers.CachingNormalizer; 24 import org.apache.directory.api.ldap.model.schema.normalizers.DeepTrimToLowerNormalizer; 25 26 27 /** 28 * A comparator that compare two Strings after having trimmed them on left and right, 29 * and replaced any contiguous spaces in the middle by 1 single space. The Strings are compared 30 * case insensitive. We also keep a cache 31 * 32 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 33 */ 34 public class DeepTrimToLowerCachingNormalizingComparator extends NormalizingComparator 35 { 36 /** The serial version UID */ 37 private static final long serialVersionUID = 2L; 38 39 40 /** 41 * Creates a new instance of DeepTrimToLowerCachingNormalizingComparator. 42 * 43 * @param oid The Comparator's OID 44 */ 45 @SuppressWarnings( 46 { "rawtypes", "unchecked" }) 47 public DeepTrimToLowerCachingNormalizingComparator( String oid ) 48 { 49 super( oid, new CachingNormalizer( new DeepTrimToLowerNormalizer( oid ), 10 ), 50 new ComparableComparator( oid ) ); 51 } 52 }