| /** |
| * 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 com.datatorrent.contrib.apachelog; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.io.IOException; |
| import javax.validation.constraints.NotNull; |
| |
| import com.datatorrent.lib.logs.InformationExtractor; |
| import com.maxmind.geoip.Location; |
| import com.maxmind.geoip.LookupService; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * An implementation of InformationExtractor that extracts Geo information from an IP address using maxmind API . |
| *<p> |
| * IMPORTANT: The user of this extractor needs to include the jars which contain these classes in DAGContext.LIBRARY_JARS |
| * |
| * com.maxmind.geoip.LookupService.class |
| * @displayName Geo IP Extractor |
| * @category Output |
| * @tags extraction, geo |
| * @since 0.9.4 |
| */ |
| public class GeoIPExtractor implements InformationExtractor |
| { |
| private static final Logger LOG = LoggerFactory.getLogger(GeoIPExtractor.class); |
| private static final long serialVersionUID = 201404221817L; |
| private transient LookupService reader; |
| /** |
| * The local path that contains the maxmind "legacy" GeoIP db |
| */ |
| @NotNull |
| private String databasePath; |
| |
| public String getDatabasePath() |
| { |
| return databasePath; |
| } |
| |
| public void setDatabasePath(String databasePath) |
| { |
| this.databasePath = databasePath; |
| } |
| |
| @Override |
| public void setup() |
| { |
| try { |
| reader = new LookupService(databasePath, LookupService.GEOIP_MEMORY_CACHE | LookupService.GEOIP_CHECK_CACHE); |
| } |
| catch (IOException ex) { |
| throw new RuntimeException(ex); |
| } |
| } |
| |
| @Override |
| public void teardown() |
| { |
| reader.close(); |
| } |
| |
| @Override |
| public Map<String, Object> extractInformation(Object value) |
| { |
| Map<String, Object> m = new HashMap<String, Object>(); |
| try { |
| Location location = reader.getLocation(value.toString()); |
| if (location != null) { |
| m.put("ipCountry", location.countryCode); |
| m.put("ipRegion", location.region); |
| m.put("ipCity", location.city); |
| } |
| } |
| catch (Exception ex) { |
| LOG.error("Caught exception when looking up Geo IP for {}:", value, ex); |
| } |
| return m; |
| } |
| |
| } |