1 /* 2 * Copyright 2014 The Netty Project 3 * 4 * The Netty Project licenses this file to you under the Apache License, 5 * version 2.0 (the "License"); you may not use this file except in compliance 6 * with the License. You may obtain a copy of the License at: 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13 * License for the specific language governing permissions and limitations 14 * under the License. 15 */ 16 package io.netty.handler.ipfilter; 17 18 import java.net.InetSocketAddress; 19 20 /** 21 * Implement this interface to create new rules. 22 */ 23 public interface IpFilterRule { 24 /** 25 * @return This method should return true if remoteAddress is valid according to your criteria. False otherwise. 26 */ 27 boolean matches(InetSocketAddress remoteAddress); 28 29 /** 30 * @return This method should return {@link IpFilterRuleType#ACCEPT} if all 31 * {@link IpFilterRule#matches(InetSocketAddress)} for which {@link #matches(InetSocketAddress)} 32 * returns true should the accepted. If you want to exclude all of those IP addresses then 33 * {@link IpFilterRuleType#REJECT} should be returned. 34 */ 35 IpFilterRuleType ruleType(); 36 }