Java tutorial
/* * Copyright 2014 The Apache Software Foundation. * * Licensed 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 opennlp.addons.geoentitylinker.indexing; import java.io.BufferedReader; import java.io.File; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.logging.Level; import java.util.logging.Logger; import opennlp.addons.geoentitylinker.AdminBoundary; import org.apache.lucene.document.Document; import org.apache.lucene.document.Field; import org.apache.lucene.document.StringField; import org.apache.lucene.document.TextField; import org.apache.lucene.index.IndexWriter; public class USGSProcessor { public static void main(String[] args) { try { Map<String, AdminBoundary> provData = getProvData( new File("C:\\temp\\gazetteers\\usgsdata\\GOVT_UNITS_20140601.txt"), GazetteerIndexer.GazType.USGS); process(new File("C:\\temp\\gazetteers\\usgsdata\\GOVT_UNITS_20140601.txt"), new File("C:\\temp\\gazetteers\\usgsdata\\NationalFile_20140601.txt"), null, null); } catch (Exception ex) { Logger.getLogger(USGSProcessor.class.getName()).log(Level.SEVERE, null, ex); } } public static void process(File lookupData, File usgsGazDataFile, File outputCountryContextfile, IndexWriter w) throws Exception { Map<String, AdminBoundary> provData = getProvData(lookupData, GazetteerIndexer.GazType.USGS); readFile(usgsGazDataFile, w, GazetteerIndexer.GazType.USGS, provData); writeCountryContextFile(outputCountryContextfile, provData); } public static void readFile(File gazateerInputData, IndexWriter w, GazetteerIndexer.GazType type, Map<String, AdminBoundary> lookupMap) throws Exception { Map<String, StateCentroid> states = new HashMap<>(); BufferedReader reader = new BufferedReader(new FileReader(gazateerInputData)); List<String> fields = new ArrayList<>(); int counter = 0; System.out.println("reading gazetteer data from USGS file..........."); String line = ""; while ((line = reader.readLine()) != null) { String[] values = line.split(type.getSeparator()); if (counter == 0) { for (String columnName : values) { fields.add(columnName.replace("", "").trim()); } } else { Document doc = new Document(); for (int i = 0; i < fields.size() - 1; i++) { doc.add(new TextField(fields.get(i), values[i].trim(), Field.Store.YES)); } String placeName = values[1]; String lat = values[9]; String lon = values[10]; String dsg = values[2]; String id = values[0]; String ccode = values[6]; String admincode = values[3]; AdminBoundary get = lookupMap.get(admincode + "." + ccode); String countyname = ""; if (get == null) { System.out.println("null...continuing to index" + " ccode: " + ccode + " , admincode: " + admincode + " , placename: " + placeName); continue; } String countyCode = get.getCountyCode(); if (!get.getCountyName().equals("NO_DATA_FOUND_VALUE")) { countyname = get.getCountyName(); } if (!get.getCountyCode().equals("NO_DATA_FOUND_VALUE")) { countyCode = get.getCountyCode(); } String hierarchy = get.getCountryName() + ", " + get.getProvinceName() + ", " + countyname + ", " + placeName; if (states.containsKey(get.getProvinceName())) { StateCentroid entry = states.get(get.getProvinceName()); entry.count++; entry.latSum += Double.valueOf(lat); entry.longSum += Double.valueOf(lon); } else { StateCentroid centroid = new StateCentroid(); centroid.statecode = get.getProvCode(); centroid.count = 1; centroid.latSum = Double.valueOf(lat); centroid.longSum = Double.valueOf(lon); states.put(get.getProvinceName(), centroid); } doc.add(new TextField("hierarchy", hierarchy, Field.Store.YES)); doc.add(new TextField("placename", placeName, Field.Store.YES)); doc.add(new TextField("latitude", lat, Field.Store.YES)); doc.add(new TextField("longitude", lon, Field.Store.YES)); doc.add(new StringField("loctype", dsg, Field.Store.YES)); doc.add(new StringField("admincode", (get.getCountryCode() + "." + get.getProvCode()).toLowerCase(), Field.Store.YES)); doc.add(new StringField("countrycode", get.getCountryCode().toLowerCase(), Field.Store.YES)); doc.add(new StringField("countycode", (get.getCountryCode() + "." + get.getProvCode() + "." + countyCode).toLowerCase(), Field.Store.YES)); doc.add(new StringField("locid", id, Field.Store.YES)); doc.add(new StringField("gazsource", "usgs", Field.Store.YES)); w.addDocument(doc); } counter++; if (counter % 100000 == 0) { w.commit(); System.out.println(counter + " .........USGS entries committed to index.............."); } } for (String state : states.keySet()) { StateCentroid get = states.get(state); Document doc = new Document(); doc.add(new TextField("hierarchy", "united states, " + state, Field.Store.YES)); doc.add(new TextField("placename", state, Field.Store.YES)); //calculate a centroid for all the points that were in the state doc.add(new TextField("latitude", (get.latSum / get.count) + "", Field.Store.YES)); doc.add(new TextField("longitude", (get.longSum / get.count) + "", Field.Store.YES)); doc.add(new StringField("loctype", "adm1", Field.Store.YES)); doc.add(new StringField("admincode", get.statecode, Field.Store.YES)); doc.add(new StringField("countrycode", "us", Field.Store.YES)); doc.add(new StringField("countycode", "", Field.Store.YES)); doc.add(new StringField("locid", "us_state:" + state, Field.Store.YES)); doc.add(new StringField("gazsource", "usgs", Field.Store.YES)); w.addDocument(doc); // System.out.println(get.statecode + "," + (get.latSum / get.count) + "," + (get.longSum / get.count)); } Document doc = new Document(); doc.add(new TextField("hierarchy", "united states", Field.Store.YES)); doc.add(new TextField("placename", "united states", Field.Store.YES)); //calculate a centroid for all the points that were in the state doc.add(new TextField("latitude", 39.0 + "", Field.Store.YES)); doc.add(new TextField("longitude", -103.0 + "", Field.Store.YES)); doc.add(new StringField("loctype", "pcli", Field.Store.YES)); doc.add(new StringField("admincode", "", Field.Store.YES)); doc.add(new StringField("countrycode", "us", Field.Store.YES)); doc.add(new StringField("countycode", "", Field.Store.YES)); doc.add(new StringField("locid", "us_centroid" + "unitedstates", Field.Store.YES)); doc.add(new StringField("gazsource", "usgs", Field.Store.YES)); //System.out.println("uscentroid," + (sumofLatSums / sumOfCounts) + "," + (sumofLonSums / sumOfCounts)); w.addDocument(doc); w.commit(); System.out.println("Completed indexing USGS gaz!"); } private static class StateCentroid { double latSum; double longSum; String statecode; int count; } private static Map<String, AdminBoundary> getProvData(File govUnitsFile, GazetteerIndexer.GazType type) { System.out.println("Attempting to read USGS province (State) data from: " + govUnitsFile.getPath()); Map<String, AdminBoundary> outmap = new HashMap<>(); BufferedReader reader; try { reader = new BufferedReader(new FileReader(govUnitsFile)); int i = 0; String line = ""; String[] fields = null; while ((line = reader.readLine()) != null) { String[] values = line.split(type.getSeparator()); if (i == 0) { fields = values; i++; continue; } i++; // System.out.println(i); String countyCode = values[2]; String countyName = values[3]; String stateCode = values[5]; String stateName = values[6]; String countryCode = values[7]; String countryName = values[8]; AdminBoundary adminBoundary = new AdminBoundary(countryCode, countryName, stateCode, stateName, countyCode, countyName, null, null, null); outmap.put(stateCode + "." + countyCode, adminBoundary); // System.out.println(adminBoundary); } reader.close(); } catch (IOException ex) { ex.printStackTrace(); } System.out.println("Successfully read USGS province (State) data from: " + govUnitsFile.getPath()); return outmap; } public static void writeCountryContextFile(File outfile, Map<String, AdminBoundary> adms) { // FileWriter writer = null; try (FileWriter writer = new FileWriter(outfile, true)) { for (String admkey : adms.keySet()) { AdminBoundary adm = adms.get(admkey); if (adm == null) { continue; } String province = adm.getProvinceName(); String country = adm.getCountryName(); /** * this is the standard format of the country context file... Geonames * data will have an empty string for the county */ String line = adm.getCountryCode() + "\t" + adm.getProvCode() + "\t" + adm.getCountyCode() + "\t" + country + "\t" + province + "\t" + adm.getCountyName() + "\t" + "(U\\.S\\.[ $]|U\\.S\\.A\\.[ $]|United States|the US[ $]|a us[ $])" + "\t" + adm.getProvinceName() + "\t" + adm.getCountyName() + "\n"; writer.write(line); /// System.out.println(line); } } catch (IOException ex) { Logger.getLogger(GeonamesProcessor.class.getName()).log(Level.SEVERE, null, ex); } System.out.println("successfully wrote USGS entries to country context file"); } }