Java tutorial
/* * 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.opensoc.enrichment.adapters.geo; import java.io.Serializable; import java.net.InetAddress; import org.json.simple.JSONObject; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.opensoc.enrichment.common.GenericEnrichmentBolt; import com.opensoc.enrichment.interfaces.EnrichmentAdapter; @SuppressWarnings("serial") public abstract class AbstractGeoAdapter implements EnrichmentAdapter, Serializable { protected static final Logger _LOG = LoggerFactory.getLogger(GenericEnrichmentBolt.class); abstract public JSONObject enrich(String metadata); abstract public boolean initializeAdapter(); /** * Check if we can reach the IP where geo data is storred * * @param ip * - ip of geo database * @param timeout * - timeout for a connection attempt * @return - True if can connect, False if cannot * @throws Exception */ public boolean checkIfReachable(String ip, int timeout) throws Exception { boolean reachable = InetAddress.getByName(ip).isReachable(timeout); if (!reachable) return false; return true; } }