001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache license, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the license for the specific language governing permissions and 015 * limitations under the license. 016 */ 017package org.apache.logging.log4j.core.lookup; 018 019import java.util.Map; 020import java.util.Properties; 021 022/** 023 * {@link RuntimeStrSubstitutor} is a {@link StrSubstitutor} which only supports evaluation of top-level lookups. 024 */ 025public final class RuntimeStrSubstitutor extends StrSubstitutor { 026 027 public RuntimeStrSubstitutor() { 028 } 029 030 public RuntimeStrSubstitutor(final Map<String, String> valueMap) { 031 super(valueMap); 032 } 033 034 public RuntimeStrSubstitutor(final Properties properties) { 035 super(properties); 036 } 037 038 public RuntimeStrSubstitutor(final StrLookup lookup) { 039 super(lookup); 040 } 041 042 public RuntimeStrSubstitutor(final StrSubstitutor other) { 043 super(other); 044 } 045 046 @Override 047 boolean isRecursiveEvaluationAllowed() { 048 return false; 049 } 050 051 @Override 052 void setRecursiveEvaluationAllowed(final boolean recursiveEvaluationAllowed) { 053 throw new UnsupportedOperationException( 054 "recursiveEvaluationAllowed cannot be modified within RuntimeStrSubstitutor"); 055 } 056 057 @Override 058 public String toString() { 059 return "RuntimeStrSubstitutor{" + super.toString() + "}"; 060 } 061}