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 org.apache.metron.enrichment.adapters.geo; import java.net.InetAddress; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.Statement; import org.apache.commons.validator.routines.InetAddressValidator; import org.json.simple.JSONObject; @SuppressWarnings("serial") public class GeoMysqlAdapter extends AbstractGeoAdapter { private Connection connection = null; private Statement statement = null; private String _ip; private String _username; private String _password; private String _tablename; private InetAddressValidator ipvalidator = new InetAddressValidator(); public GeoMysqlAdapter(String ip, int port, String username, String password, String tablename) { try { _ip = InetAddress.getByName(ip).getHostAddress(); boolean reachable = checkIfReachable(ip, 500); if (!reachable) throw new Exception("Unable to reach IP " + _ip + " with username " + _username + " and password " + _password + " accessing table name " + _tablename); } catch (Exception e) { _LOG.error("Environment misconfigured, cannot reach MYSQL server...."); e.printStackTrace(); } _username = username; _password = password; _tablename = tablename; } @SuppressWarnings("unchecked") @Override public JSONObject enrich(String metadata) { ResultSet resultSet = null; try { _LOG.trace("[Metron] Received metadata: " + metadata); InetAddress addr = InetAddress.getByName(metadata); if (addr.isAnyLocalAddress() || addr.isLoopbackAddress() || addr.isSiteLocalAddress() || addr.isMulticastAddress() || !ipvalidator.isValidInet4Address(metadata)) { _LOG.trace("[Metron] Not a remote IP: " + metadata); _LOG.trace("[Metron] Returning enrichment: " + "{}"); return new JSONObject(); } _LOG.trace("[Metron] Is a valid remote IP: " + metadata); statement = connection.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY); String locid_query = "select IPTOLOCID(\"" + metadata + "\") as ANS"; resultSet = statement.executeQuery(locid_query); if (resultSet == null) throw new Exception( "Invalid result set for metadata: " + metadata + ". Query run was: " + locid_query); resultSet.last(); int size = resultSet.getRow(); if (size == 0) throw new Exception("No result returned for: " + metadata + ". Query run was: " + locid_query); resultSet.beforeFirst(); resultSet.next(); String locid = null; locid = resultSet.getString("ANS"); if (locid == null) throw new Exception("Invalid location id for: " + metadata + ". Query run was: " + locid_query); String geo_query = "select * from location where locID = " + locid + ";"; resultSet = statement.executeQuery(geo_query); if (resultSet == null) throw new Exception("Invalid result set for metadata and locid: " + metadata + ", " + locid + ". Query run was: " + geo_query); resultSet.last(); size = resultSet.getRow(); if (size == 0) throw new Exception("No result id returned for metadata and locid: " + metadata + ", " + locid + ". Query run was: " + geo_query); resultSet.beforeFirst(); resultSet.next(); JSONObject jo = new JSONObject(); jo.put("locID", resultSet.getString("locID")); jo.put("country", resultSet.getString("country")); jo.put("city", resultSet.getString("city")); jo.put("postalCode", resultSet.getString("postalCode")); jo.put("latitude", resultSet.getString("latitude")); jo.put("longitude", resultSet.getString("longitude")); jo.put("dmaCode", resultSet.getString("dmaCode")); jo.put("locID", resultSet.getString("locID")); jo.put("location_point", jo.get("longitude") + "," + jo.get("latitude")); _LOG.debug("Returning enrichment: " + jo); return jo; } catch (Exception e) { e.printStackTrace(); _LOG.error("Enrichment failure: " + e); return new JSONObject(); } } @Override public boolean initializeAdapter() { _LOG.info("[Metron] Initializing MysqlAdapter...."); try { Class.forName("com.mysql.jdbc.Driver"); connection = DriverManager.getConnection( "jdbc:mysql://" + _ip + "/" + _tablename + "?user=" + _username + "&password=" + _password); connection.setReadOnly(true); if (!connection.isValid(0)) throw new Exception("Invalid connection string...."); _LOG.info("[Metron] Set JDBC connection...."); return true; } catch (Exception e) { e.printStackTrace(); _LOG.error("[Metron] JDBC connection failed...."); return false; } } }