| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.hadoop.util; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class CombinedIPWhiteList implements IPList { |
| |
| public static final Logger LOG = |
| LoggerFactory.getLogger(CombinedIPWhiteList.class); |
| private static final String LOCALHOST_IP = "127.0.0.1"; |
| |
| private final IPList[] networkLists; |
| |
| public CombinedIPWhiteList(String fixedWhiteListFile, |
| String variableWhiteListFile, long cacheExpiryInSeconds) { |
| |
| IPList fixedNetworkList = new FileBasedIPList(fixedWhiteListFile); |
| if (variableWhiteListFile != null){ |
| IPList variableNetworkList = new CacheableIPList( |
| new FileBasedIPList(variableWhiteListFile),cacheExpiryInSeconds); |
| networkLists = new IPList[] {fixedNetworkList, variableNetworkList}; |
| } |
| else { |
| networkLists = new IPList[] {fixedNetworkList}; |
| } |
| } |
| @Override |
| public boolean isIn(String ipAddress) { |
| if (ipAddress == null) { |
| throw new IllegalArgumentException("ipAddress is null"); |
| } |
| |
| if (LOCALHOST_IP.equals(ipAddress)) { |
| return true; |
| } |
| |
| for (IPList networkList:networkLists) { |
| if (networkList.isIn(ipAddress)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| } |