1 package org.apache.lucene.util;
3 * Licensed to the Apache Software Foundation (ASF) under one or more
4 * contributor license agreements. See the NOTICE file distributed with
5 * this work for additional information regarding copyright ownership.
6 * The ASF licenses this file to You under the Apache License, Version 2.0
7 * (the "License"); you may not use this file except in compliance with
8 * the License. You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
20 * Subclasses of StringInterner are required to
21 * return the same single String object for all equal strings.
22 * Depending on the implementation, this may not be
23 * the same object returned as String.intern().
25 * This StringInterner base class simply delegates to String.intern().
27 public class StringInterner {
28 /** Returns a single object instance for each equal string. */
29 public String intern(String s) {
33 /** Returns a single object instance for each equal string. */
34 public String intern(char[] arr, int offset, int len) {
35 return intern(new String(arr, offset, len));