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 package org.apache.commons.configuration2.interpol;
18
19 import java.util.Objects;
20
21 import org.apache.commons.text.lookup.StringLookup;
22
23 /**
24 * Wraps an Apache Commons Text {@link StringLookup} as an Apache Commons Configuration {@link Lookup}.
25 *
26 * @since 2.4
27 */
28 final class StringLookupAdapter implements Lookup {
29
30 /**
31 * The StringLookup delegate.
32 */
33 private final StringLookup stringLookup;
34
35 StringLookupAdapter(final StringLookup stringLookup) {
36 this.stringLookup = Objects.requireNonNull(stringLookup, "stringLookup");
37 }
38
39 @Override
40 public Object lookup(final String key) {
41 return stringLookup.lookup(key);
42 }
43
44 }