package com.iot.modbus_rtcp.config; import lombok.Data; import org.springframework.boot.context.properties.ConfigurationProperties; import org.springframework.context.annotation.Configuration; import java.util.HashSet; import java.util.Map; @Configuration @Data @ConfigurationProperties(prefix = "server.netty") public class EquipmentIPProperties { private Map identifiers; public HashSet keys() { return new HashSet<>(this.identifiers.keySet()); } public String get(String key) { return this.identifiers.get(key); } }