code: /* LanguageTool, a natural language style checker
   * Copyright (C) 2022 Daniel Naber (http://www.danielnaber.de)
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
   * USA
   */
  package org.languagetool.dev;
  
  import de.danielnaber.jwordsplitter.GermanWordSplitter;
  import org.languagetool.AnalyzedTokenReadings;
  import org.languagetool.language.GermanyGerman;
  import org.languagetool.tagging.Tagger;
  import org.languagetool.tools.StringTools;
  
  import java.io.IOException;
  import java.nio.file.Files;
  import java.nio.file.Paths;
  import java.util.Collections;
  import java.util.HashSet;
  import java.util.List;
  import java.util.Set;
  
  /**
   * Find German compounds like "verwaltungstechnisch" that are not tagged yet.
   */
  public class MissingGermanCompoundAdjectiveFinder {
  
    public static void main(String[] args) throws IOException {
      List<String> lines = Files.readAllLines(Paths.get(args[0]));
      Tagger tagger = new GermanyGerman().getTagger();
      Set<String> printed = new HashSet<>();
      int j = 0;
      int splitCount = 0;
      GermanWordSplitter splitter = new GermanWordSplitter(false);
      for (String line : lines) {
        if (!StringTools.startsWithLowercase(line)) {
          continue;
        }
        String clean = line.replaceFirst("e[rmns]?$", "");
        List<AnalyzedTokenReadings> tags = tagger.tag(Collections.singletonList(clean));
        boolean isTagged = tags.stream().anyMatch(k -> k.isTagged());
        if (isTagged) {
          continue;
        }
        for (int i = clean.length()-2; i > 2; i--) {
          String part1 = clean.substring(0, i);
          String part2 = clean.substring(i);
          List<AnalyzedTokenReadings> part1Tags = tagger.tag(Collections.singletonList(StringTools.uppercaseFirstChar(part1)));
          List<AnalyzedTokenReadings> part2Tags = tagger.tag(Collections.singletonList(part2));
          boolean part1isNoun = part1Tags.stream().anyMatch(k -> k.hasAnyPartialPosTag("SUB"));
          boolean part2isAdj = part2Tags.stream().anyMatch(k -> k.hasAnyPartialPosTag("ADJ", "PA1", "PA2"));
          if (part1isNoun && part2isAdj && !printed.contains(clean)) {
            //System.out.println(part1 + " / " + part2 + " " + part2isAdj);
            List<String> split = splitter.splitWord(clean);
            if (split.size() > 1) {
              splitCount++;
            }
            System.out.println(j + ". " + clean);
            printed.add(clean);
            j++;
          }
        }
      }
      System.out.println("splitCount: " + splitCount);
    }
  
    /*public static void main2(String[] args) throws IOException {
      List<String> lines = Files.readAllLines(Paths.get("/tmp/x"));
      GermanSpellerRule speller = new GermanSpellerRule(JLanguageTool.getMessageBundle(), new GermanyGerman());
      for (String line : lines) {
        if (!speller.isMisspelled(line)) {
          System.out.println(line);
        }
      }
    }*/
  }
  