001/* 002 * Copyright (C) 2023-present The Prometheus jmx_exporter Authors 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package io.prometheus.jmx.common.configuration; 018 019import io.prometheus.jmx.common.util.Precondition; 020import java.util.function.Function; 021import java.util.function.Supplier; 022 023public class ValidateIntegerInRange implements Function<Integer, Integer> { 024 025 private final int minimum; 026 private final int maximum; 027 private final Supplier<? extends RuntimeException> supplier; 028 029 /** 030 * Constructor 031 * 032 * @param minimum minimum 033 * @param maximum maximum 034 * @param supplier supplier 035 */ 036 public ValidateIntegerInRange( 037 int minimum, int maximum, Supplier<? extends RuntimeException> supplier) { 038 Precondition.notNull(supplier); 039 this.minimum = minimum; 040 this.maximum = maximum; 041 this.supplier = supplier; 042 } 043 044 /** 045 * Method to apply a function 046 * 047 * @param value value 048 * @return the return value 049 */ 050 @Override 051 public Integer apply(Integer value) { 052 if (value < minimum || value > maximum) { 053 throw supplier.get(); 054 } 055 056 return value; 057 } 058}