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.logging.log4j.core.lookup;
18
19 import java.util.Map;
20 import java.util.Properties;
21
22 /**
23 * {@link RuntimeStrSubstitutor} is a {@link StrSubstitutor} which only supports evaluation of top-level lookups.
24 */
25 public final class RuntimeStrSubstitutor extends StrSubstitutor {
26
27 public RuntimeStrSubstitutor() {
28 }
29
30 public RuntimeStrSubstitutor(final Map<String, String> valueMap) {
31 super(valueMap);
32 }
33
34 public RuntimeStrSubstitutor(final Properties properties) {
35 super(properties);
36 }
37
38 public RuntimeStrSubstitutor(final StrLookup lookup) {
39 super(lookup);
40 }
41
42 public RuntimeStrSubstitutor(final StrSubstitutor other) {
43 super(other);
44 }
45
46 @Override
47 boolean isRecursiveEvaluationAllowed() {
48 return false;
49 }
50
51 @Override
52 void setRecursiveEvaluationAllowed(final boolean recursiveEvaluationAllowed) {
53 throw new UnsupportedOperationException(
54 "recursiveEvaluationAllowed cannot be modified within RuntimeStrSubstitutor");
55 }
56
57 @Override
58 public String toString() {
59 return "RuntimeStrSubstitutor{" + super.toString() + "}";
60 }
61 }