1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache license, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the license for the specific language governing permissions and
15 * limitations under the license.
16 */
17
18 package org.apache.commons.text.lookup;
19
20 import org.apache.commons.text.StringEscapeUtils;
21
22 /**
23 * Decodes strings according to the XML 1.0 specification.
24 *
25 * @see StringEscapeUtils#unescapeXml(String)
26 */
27 final class XmlDecoderStringLookup extends AbstractStringLookup {
28
29 /**
30 * Defines the singleton for this class.
31 */
32 static final XmlDecoderStringLookup INSTANCE = new XmlDecoderStringLookup();
33
34 private XmlDecoderStringLookup() {
35 // empty
36 }
37
38 @Override
39 public String lookup(final String key) {
40 return StringEscapeUtils.unescapeXml(key);
41 }
42
43 }