Introduce Geonames support.

[gpl/argeo-suite.git] / knowledge / org.argeo.support.geonames / src / org / argeo / support / geonames / ImportGeonamesAdmin.java

diff --git a/knowledge/org.argeo.support.geonames/src/org/argeo/support/geonames/ImportGeonamesAdmin.java b/knowledge/org.argeo.support.geonames/src/org/argeo/support/geonames/ImportGeonamesAdmin.java
new file mode 100644 (file)
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+++ b/knowledge/org.argeo.support.geonames/src/org/argeo/support/geonames/ImportGeonamesAdmin.java
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+package org.argeo.support.geonames;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.argeo.util.CsvParser;
+import org.argeo.util.CsvWriter;
+
+/** Import GeoNames administrative division from the main table. */
+public class ImportGeonamesAdmin {
+       // private Log log = LogFactory.getLog(ImportGeonamesAdmin.class);
+       private Map<Long, GeonamesAdm> geonamesAdms = new HashMap<>();
+
+       /** Loads the data. */
+       public void parse(InputStream in) {
+               CsvParser csvParser = new CsvParser() {
+
+                       @Override
+                       protected void processLine(Integer lineNumber, List<String> header, List<String> tokens) {
+                               if (!"A".equals(tokens.get(6)))
+                                       return;
+                               GeonamesAdm geonamesAdm = new GeonamesAdm(tokens);
+                               geonamesAdms.put(geonamesAdm.getGeonameId(), geonamesAdm);
+//                             String featureName = tokens.get(7);
+//                             String geonameId = tokens.get(0);
+//                             String name = tokens.get(1);
+//                             Double lat = Double.parseDouble(tokens.get(4));
+//                             Double lng = Double.parseDouble(tokens.get(5));
+//                             switch (featureName) {
+//                             case "ADM1":
+//                             case "ADM4":
+//                                     String adminCode1 = tokens.get(10);
+//                                     System.out.println(
+//                                                     geonameId + " " + featureName + " " + lat + "," + lng + " " + adminCode1 + " " + name);
+//                                     break;
+//                             default:
+//                                     break;
+//                             }
+
+                       }
+               };
+               csvParser.setSeparator('\t');
+               csvParser.setNoHeader(true);
+               csvParser.parse(in, StandardCharsets.UTF_8);
+       }
+
+       public Map<Long, GeonamesAdm> getGeonamesAdms() {
+               return geonamesAdms;
+       }
+
+       /**
+        * Copies only the Geonames of feature class 'A' (administrative subdivisions).
+        */
+       public static void filterGeonamesAdm(InputStream in, OutputStream out) {
+               CsvWriter csvWriter = new CsvWriter(out, StandardCharsets.UTF_8);
+               csvWriter.setSeparator('\t');
+               CsvParser csvParser = new CsvParser() {
+
+                       @Override
+                       protected void processLine(Integer lineNumber, List<String> header, List<String> tokens) {
+                               if (tokens.size() < 7 || !"A".equals(tokens.get(6)))
+                                       return;
+                               csvWriter.writeLine(tokens);
+                       }
+               };
+               csvParser.setSeparator('\t');
+               csvParser.setNoHeader(true);
+               csvParser.parse(in, StandardCharsets.UTF_8);
+       }
+
+       public static void main(String[] args) throws IOException {
+               String country = "allCountries";
+               // String country = "CI";
+               try (InputStream in = Files
+                               .newInputStream(Paths.get(System.getProperty("user.home") + "/gis/data/geonames/" + country + ".txt"));
+                               OutputStream out = Files.newOutputStream(
+                                               Paths.get(System.getProperty("user.home") + "/gis/data/geonames/" + country + "-adm.txt"))) {
+                       ImportGeonamesAdmin.filterGeonamesAdm(in, out);
+               }
+//             try (InputStream in = Files.newInputStream(
+//                             Paths.get(System.getProperty("user.home") + "/gis/data/geonames/" + country + "-adm.txt"))) {
+//                     ImportGeonamesAdmin importGeonamesAdmin = new ImportGeonamesAdmin();
+//                     importGeonamesAdmin.parse(in);
+//             }
+       }
+
+}