org.apache.hadoop.util.CombinedIPWhiteList Maven / Gradle / Ivy
/**
* 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;
}
}