code: /* LanguageTool, a natural language style checker 
   * Copyright (C) 2006 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.rules.de;
  
  import org.languagetool.Language;
  import org.languagetool.Languages;
  import org.languagetool.UserConfig;
  import org.languagetool.language.GermanyGerman;
  import org.languagetool.rules.AbstractCompoundRule;
  import org.languagetool.rules.Categories;
  import org.languagetool.rules.CompoundRuleData;
  import org.languagetool.rules.Example;
  import org.languagetool.rules.patterns.PatternTokenBuilder;
  import org.languagetool.tagging.disambiguation.rules.DisambiguationPatternRule;
  
  import java.io.IOException;
  import java.util.Arrays;
  import java.util.List;
  import java.util.ResourceBundle;
  
  import static org.languagetool.rules.patterns.PatternRuleBuilderHelper.token;
  import static org.languagetool.rules.patterns.PatternRuleBuilderHelper.tokenRegex;
  
  /**
   * Checks that compounds are not written as separate words. The supported compounds are loaded
   * from {@code /de/compounds.txt} and {@code /de/compounds-cities.txt} in the resource directory.
   * 
   * @author Daniel Naber
   */
  public class GermanCompoundRule extends AbstractCompoundRule {
  
    private static final Language GERMAN = Languages.getLanguageForShortCode("de-DE");
    private static final List<DisambiguationPatternRule> ANTI_PATTERNS = makeAntiPatterns(Arrays.asList(
      Arrays.asList(  // "Die Bürger konnten an die 900 Meter Kabel in Eigenregie verlegen."
        tokenRegex("an|um"),
        token("die"),
        tokenRegex("\\d+")
      ),
      Arrays.asList(  // "Lohnt sich die Werbung vom ausgegebenen Euro aus gedacht?"
        new PatternTokenBuilder().tokenRegex("von|vom").setSkip(5).build(),
        token("aus"),
        token("gedacht")
      ),
      Arrays.asList(  // "Die Bürger konnten an die 900 Meter Kabel in Eigenregie verlegen."
        tokenRegex("rund|etwa|zirka|cirka|ungefähr|annähernd|grob|wohl|gegen|schätzungsweise"),
        tokenRegex("\\d+")
      ),
      Arrays.asList(  // "Die Bürger konnten ca. 900 Meter Kabel in Eigenregie verlegen."
        token("ca"),
        token("."),
        tokenRegex("\\d+")
      )
    ), GERMAN);
  
    private static volatile CompoundRuleData compoundData;
    
    public GermanCompoundRule(ResourceBundle messages, Language lang, UserConfig userConfig) throws IOException {
      super(messages, lang, userConfig,
              "Dieses Wort wird mit Bindestrich geschrieben.",
              "Dieses Wort wird zusammengeschrieben.",
              "Diese Wörter werden zusammengeschrieben oder mit Bindestrich getrennt.",
              "Zusammenschreibung von Wörtern");
      super.setCategory(Categories.COMPOUNDING.getCategory(messages));
      addExamplePair(Example.wrong("Wenn es schlimmer wird, solltest Du zum <marker>HNO Arzt</marker> gehen."),
                     Example.fixed("Wenn es schlimmer wird, solltest Du zum <marker>HNO-Arzt</marker> gehen."));
    }
  
    @Override
    public String getId() {
      return "DE_COMPOUNDS";
    }
  
    @Override
    public String getDescription() {
      return "Zusammenschreibung von Wörtern, z. B. 'CD-ROM' statt 'CD ROM'";
    }
  
    @Override
    public CompoundRuleData getCompoundRuleData() {
      CompoundRuleData data = compoundData;
      if (data == null) {
        synchronized (GermanCompoundRule.class) {
          data = compoundData;
          if (data == null) {
            compoundData = data = new CompoundRuleData("/de/compounds.txt", "/de/compound-cities.txt");
          }
        }
      }
      return data;
    }
    
    @Override
    public boolean isMisspelled(String word) throws IOException {
      return GermanyGerman.INSTANCE.getDefaultSpellingRule().isMisspelled(word);
    }
  
    @Override
    public List<DisambiguationPatternRule> getAntiPatterns() {
      return ANTI_PATTERNS;
    }
  
  }
  