com.aspose.words

Method Detail

• requestDictionary

  public abstract void requestDictionary(java.lang.String language)
                                      throws java.lang.Exception

  Notifies application that hyphenation dictionary for the specified language wasn't found and may need to be registered.

  Implementation should find a dictionary and register it using Hyphenation.registerDictionary(java.lang.String,java.io.InputStream) methods.

  If dictionary is unavailable for the specified language implementation can opt out of further calls for the same language using Hyphenation.registerDictionary(java.lang.String,java.lang.String) with null value.

  Exceptions thrown by this method will abort execution of page layout process.

  Parameters:

  language - A language name, e.g. "en-US". See .NET documentation for "culture name" and RFC 4646 for details.

  Example:

  Shows how to open and register a dictionary from a file.

  // Set up a callback that tracks warnings that occur during hyphenation dictionary registration.
      WarningInfoCollection warningInfoCollection = new WarningInfoCollection();
      Hyphenation.setWarningCallback(warningInfoCollection);
  
      // Register an English (US) hyphenation dictionary by stream.
      InputStream dictionaryStream = new FileInputStream(getMyDir() + "hyph_en_US.dic");
      Hyphenation.registerDictionary("en-US", dictionaryStream);
  
      Assert.assertEquals(0, warningInfoCollection.getCount());
  
      // Open a document with a locale that Microsoft Word may not hyphenate on an English machine, such as German.
      Document doc = new Document(getMyDir() + "German text.docx");
  
      // To hyphenate that document upon saving, we need a hyphenation dictionary for the "de-CH" language code.
      // This callback will handle the automatic request for that dictionary.
      Hyphenation.setCallback(new CustomHyphenationDictionaryRegister());
  
      // When we save the document, German hyphenation will take effect.
      doc.save(getArtifactsDir() + "Hyphenation.RegisterDictionary.pdf");
  
      // This dictionary contains two identical patterns, which will trigger a warning.
      Assert.assertEquals(warningInfoCollection.getCount(), 1);
      Assert.assertEquals(warningInfoCollection.get(0).getWarningType(), WarningType.MINOR_FORMATTING_LOSS);
      Assert.assertEquals(warningInfoCollection.get(0).getSource(), WarningSource.LAYOUT);
      Assert.assertEquals(warningInfoCollection.get(0).getDescription(), "Hyphenation dictionary contains duplicate patterns. " +
              "The only first found pattern will be used. Content can be wrapped differently.");
  }
  
  /// <summary>
  /// Associates ISO language codes with local system filenames for hyphenation dictionary files.
  /// </summary>
  private static class CustomHyphenationDictionaryRegister implements IHyphenationCallback {
      public CustomHyphenationDictionaryRegister() {
          mHyphenationDictionaryFiles = new HashMap<>();
          {
              mHyphenationDictionaryFiles.put("en-US", getMyDir() + "hyph_en_US.dic");
              mHyphenationDictionaryFiles.put("de-CH", getMyDir() + "hyph_de_CH.dic");
          }
      }
  
      public void requestDictionary(String language) throws Exception {
          System.out.print("Hyphenation dictionary requested: " + language);
  
          if (Hyphenation.isDictionaryRegistered(language)) {
              System.out.println(", is already registered.");
              return;
          }
  
          if (mHyphenationDictionaryFiles.containsKey(language)) {
              Hyphenation.registerDictionary(language, mHyphenationDictionaryFiles.get(language));
              System.out.println(", successfully registered.");
              return;
          }
  
          System.out.println(", no respective dictionary file known by this Callback.");
      }
  
      private final HashMap<String, String> mHyphenationDictionaryFiles;
  }