jwbroek.cuelib java code examples

  private long indexToSample(Index index, int sampleRate) {
//        System.out.println(index.getPosition().getTotalFrames() / 75d * sampleRate);
    return (long) (index.getPosition().getTotalFrames() / 75d * sampleRate);
  }
}

/**
 * Write a warning to the logging and the {@link jwbroek.cuelib.CueSheet} associated with the
 * {@link jwbroek.cuelib.LineOfInput}.
 *
 * @param input   The {@link jwbroek.cuelib.LineOfInput} the warning pertains to.
 * @param warning The warning to write.
 */
private static void addWarning(final LineOfInput input, final String warning) {
  CueParser.logger.warning(warning);
  input.getAssociatedSheet().addWarning(input, warning);
}

/**
 * Serialize the CueSheet.
 *
 * @param builder     The StringBuilder to serialize to.
 * @param cueSheet    The CueSheet to serialize.
 * @param indentation The current indentation.
 */
private void serializeCueSheet(final StringBuilder builder, final CueSheet cueSheet, final String indentation) {
  CueSheetSerializer.logger.entering
      (CueSheetSerializer.class.getCanonicalName()
          , "serializeCueSheet(StringBuilder,CueSheet,String)"
          , new Object[]{builder, cueSheet, indentation}
      );
  CueSheetSerializer.logger.fine("Serializing cue sheet to cue format.");
  addField(builder, "REM GENRE", indentation, cueSheet.getGenre());
  addField(builder, "REM DATE", indentation, cueSheet.getYear());
  addField(builder, "REM DISCID", indentation, cueSheet.getDiscid());
  addField(builder, "REM COMMENT", indentation, cueSheet.getComment());
  addField(builder, "CATALOG", indentation, cueSheet.getCatalog());
  addField(builder, "PERFORMER", indentation, cueSheet.getPerformer());
  addField(builder, "TITLE", indentation, cueSheet.getTitle());
  addField(builder, "SONGWRITER", indentation, cueSheet.getSongwriter());
  addField(builder, "CDTEXTFILE", indentation, cueSheet.getCdTextFile());
  for (FileData fileData : cueSheet.getFileData()) {
    serializeFileData(builder, fileData, indentation);
  }
  CueSheetSerializer.logger.exiting
      (CueSheetSerializer.class.getCanonicalName(), "serializeCueSheet(StringBuilder,CueSheet,String)");
}

/**
 * Parse the PREGAP command.
 * <p/>
 * PREGAP [mm:ss:ff]
 * Must come after TRACK, but before INDEX fields for that track.
 *
 * @param input
 */
private static void parsePregap(final LineOfInput input) {
  CueParser.logger.entering(CueParser.class.getCanonicalName(), "parsePregap(LineOfInput)", input);
  Matcher pregapMatcher = PATTERN_PREGAP.matcher(input.getInput());
  if (startsWith(input, "PREGAP") && pregapMatcher.matches()) {
    TrackData trackData = getLastTrackData(input);
    if (trackData.getPregap() != null) {
      addWarning(input, WARNING_DATUM_APPEARS_TOO_OFTEN);
    }
    if (trackData.getIndices().size() > 0) {
      addWarning(input, WARNING_PREGAP_IN_WRONG_PLACE);
    }
    trackData.setPregap(parsePosition(input, pregapMatcher.group(1)));
  } else {
    addWarning(input, WARNING_UNPARSEABLE_INPUT);
  }
  CueParser.logger.exiting(CueParser.class.getCanonicalName(), "parsePregap(LineOfInput)");
}

/**
 * Serialize the FileData.
 *
 * @param builder     The StringBuilder to serialize to.
 * @param fileData    The FileData to serialize.
 * @param indentation The current indentation.
 */
private void serializeFileData(final StringBuilder builder, final FileData fileData, final String indentation) {
  CueSheetSerializer.logger.entering
      (CueSheetSerializer.class.getCanonicalName()
          , "serializeFileData(StringBuilder,FileData,String)"
          , new Object[]{builder, fileData, indentation}
      );
  builder.append(indentation).append("FILE");
  if (fileData.getFile() != null) {
    builder.append(' ').append(quoteIfNecessary(fileData.getFile()));
  }
  if (fileData.getFileType() != null) {
    builder.append(' ').append(quoteIfNecessary(fileData.getFileType()));
  }
  builder.append('\n');
  for (TrackData trackData : fileData.getTrackData()) {
    serializeTrackData(builder, trackData, indentation + this.getIndentationValue());
  }
  CueSheetSerializer.logger.exiting
      (CueSheetSerializer.class.getCanonicalName(), "serializeFileData(StringBuilder,FileData,String)");
}

/**
 * Parse the POSTGAP command.
 * <p/>
 * POSTGAP [mm:ss:ff]
 * Must come after all INDEX fields for a track. Only one per track allowed.
 *
 * @param input
 */
private static void parsePostgap(final LineOfInput input) {
  CueParser.logger.entering(CueParser.class.getCanonicalName(), "parsePostgap(LineOfInput)", input);
  Matcher postgapMatcher = PATTERN_POSTGAP.matcher(input.getInput());
  if (startsWith(input, "POSTGAP") && postgapMatcher.matches()) {
    TrackData trackData = getLastTrackData(input);
    if (trackData.getPostgap() != null) {
      addWarning(input, WARNING_DATUM_APPEARS_TOO_OFTEN);
    }
    trackData.setPostgap(parsePosition(input, postgapMatcher.group(1)));
  } else {
    addWarning(input, WARNING_UNPARSEABLE_INPUT);
  }
  CueParser.logger.exiting(CueParser.class.getCanonicalName(), "parsePostgap(LineOfInput)");
}

/**
 * Parse the CDTEXTFILE command.
 * <p/>
 * CDTEXTFILE [filename]
 * File that contains cd text data. Not mandatory.
 *
 * @param input
 */
private static void parseCdTextFile(final LineOfInput input) {
  CueParser.logger.entering(CueParser.class.getCanonicalName(), "parseCdTextFile(LineOfInput)", input);
  Matcher cdTextFileMatcher = PATTERN_CDTEXTFILE.matcher(input.getInput());
  if (startsWith(input, "CDTEXTFILE") && cdTextFileMatcher.matches()) {
    if (input.getAssociatedSheet().getCdTextFile() != null) {
      CueParser.logger.warning(WARNING_DATUM_APPEARS_TOO_OFTEN);
      input.getAssociatedSheet().addWarning(input, WARNING_DATUM_APPEARS_TOO_OFTEN);
    }
    // If the file name is enclosed in quotes, remove those.
    String file = cdTextFileMatcher.group(1);
    if (file.length() > 0 && file.charAt(0) == '"' && file.charAt(file.length() - 1) == '"') {
      file = file.substring(1, file.length() - 1);
    }
    input.getAssociatedSheet().setCdTextFile(file);
  } else {
    addWarning(input, WARNING_UNPARSEABLE_INPUT);
  }
  CueParser.logger.exiting(CueParser.class.getCanonicalName(), "parseCdTextFile(LineOfInput)");
}

/**
 * Parse the CATALOG command.
 * <p/>
 * CATALOG [media-catalog-number]
 * CD catalog number. Code follows UPC/EAN rules.
 * Usually the first command, but this is not required. Not a mandatory command.
 *
 * @param input
 */
private static void parseCatalog(final LineOfInput input) {
  CueParser.logger.entering(CueParser.class.getCanonicalName(), "parseCatalog(LineOfInput)", input);
  if (startsWith(input, "CATALOG")) {
    String catalogNumber = input.getInput().substring("CATALOG".length()).trim();
    if (!PATTERN_CATALOG_NUMBER.matcher(catalogNumber).matches()) {
      addWarning(input, WARNING_INVALID_CATALOG_NUMBER);
    }
    if (input.getAssociatedSheet().getCatalog() != null) {
      addWarning(input, WARNING_DATUM_APPEARS_TOO_OFTEN);
    }
    input.getAssociatedSheet().setCatalog(catalogNumber);
  } else {
    addWarning(input, WARNING_UNPARSEABLE_INPUT);
  }
  CueParser.logger.exiting(CueParser.class.getCanonicalName(), "parseCatalog(LineOfInput)");
}

/**
 * Get the last {@link jwbroek.cuelib.FileData} element. If none exist, an empty one is created and a warning
 * added.
 *
 * @param input
 * @return The last {@link jwbroek.cuelib.FileData} element. If none exist, an empty one is created and a warning
 *         added.
 */
private static FileData getLastFileData(final LineOfInput input) {
  CueParser.logger.entering(CueParser.class.getCanonicalName(), "getLastFileData(LineOfInput)", input);
  List<FileData> fileDataList = input.getAssociatedSheet().getFileData();
  if (fileDataList.size() == 0) {
    fileDataList.add(new FileData(input.getAssociatedSheet()));
    addWarning(input, WARNING_NO_FILE_SPECIFIED);
  }
  FileData result = fileDataList.get(fileDataList.size() - 1);
  CueParser.logger.exiting(CueParser.class.getCanonicalName(), "getLastFileData(LineOfInput)", result);
  return result;
}

/**
 * Serialize the index.
 * @param parentElement The parent element for the TrackData.
 * @param index The Index to serialize.
 */
private void serializeIndex(final Element parentElement, final Index index)
{
 CueSheetToXmlSerializer.logger.entering
  ( CueSheetToXmlSerializer.class.getCanonicalName()
  , "serializeIndex(Element,Index)"
  , new Object[] {parentElement, index}
  );
 Element indexElement = addElement(parentElement, "index", index.getPosition(), true);
 
 addAttribute(indexElement, "number", index.getNumber());
 CueSheetToXmlSerializer.logger.exiting
  (CueSheetToXmlSerializer.class.getCanonicalName(), "serializeIndex(Element,Index)");
}

/**
 * Get the last {@link jwbroek.cuelib.TrackData} element. If none exist, an empty one is created and a warning
 * added.
 *
 * @param input
 * @return The last {@link jwbroek.cuelib.TrackData} element. If none exist, an empty one is created and a
 *         warning added.
 */
private static TrackData getLastTrackData(final LineOfInput input) {
  CueParser.logger.entering(CueParser.class.getCanonicalName(), "getLastTrackData(LineOfInput)", input);
  FileData lastFileData = getLastFileData(input);
  List<TrackData> trackDataList = lastFileData.getTrackData();
  if (trackDataList.size() == 0) {
    trackDataList.add(new TrackData(lastFileData));
    addWarning(input, WARNING_NO_TRACK_SPECIFIED);
  }
  TrackData result = trackDataList.get(trackDataList.size() - 1);
  CueParser.logger.exiting(CueParser.class.getCanonicalName(), "getLastTrackData(LineOfInput)", result);
  return result;
}

/**
 * Parse the non-standard REM DATE command.
 * <p/>
 * REM DATE [year]
 *
 * @param input
 */
private static void parseRemDate(final LineOfInput input) {
  CueParser.logger.entering(CueParser.class.getCanonicalName(), "parseRemDate(LineOfInput)", input);
  Matcher matcher = PATTERN_REM_DATE.matcher(input.getInput());
  if (matcher.find()) {
    int year = Integer.parseInt(matcher.group(2));
    if (year < 1 || year > 9999) {
      addWarning(input, WARNING_INVALID_YEAR);
    }
    input.getAssociatedSheet().setYear(year);
  } else {
    addWarning(input, WARNING_UNPARSEABLE_INPUT);
  }
  CueParser.logger.exiting(CueParser.class.getCanonicalName(), "parseRemDate(LineOfInput)");
}

/**
 * Parse the non-standard REM GENRE command.
 * <p/>
 * REM GENRE [genre]
 *
 * @param input
 */
private static void parseRemGenre(final LineOfInput input) {
  CueParser.logger.entering(CueParser.class.getCanonicalName(), "parseRemGenre(LineOfInput)", input);
  Matcher matcher = PATTERN_REM_GENRE.matcher(input.getInput());
  if (matcher.find()) {
    String genre = matcher.group(2);
    if (genre.charAt(0) == '"' && genre.charAt(genre.length() - 1) == '"') {
      genre = genre.substring(1, genre.length() - 1);
    }
    input.getAssociatedSheet().setGenre(genre);
  } else {
    addWarning(input, WARNING_UNPARSEABLE_INPUT);
  }
  CueParser.logger.exiting(CueParser.class.getCanonicalName(), "parseRemGenre(LineOfInput)");
}

/**
 * Parse the non-standard REM COMMENT command.
 * <p/>
 * REM COMMENT [comment]
 *
 * @param input
 */
private static void parseRemComment(final LineOfInput input) {
  CueParser.logger.entering(CueParser.class.getCanonicalName(), "parseRemComment(LineOfInput)", input);
  Matcher matcher = PATTERN_REM_COMMENT.matcher(input.getInput());
  if (matcher.find()) {
    String comment = matcher.group(2);
    if (comment.charAt(0) == '"' && comment.charAt(comment.length() - 1) == '"') {
      comment = comment.substring(1, comment.length() - 1);
    }
    input.getAssociatedSheet().setComment(comment);
  } else {
    addWarning(input, WARNING_UNPARSEABLE_INPUT);
  }
  CueParser.logger.exiting(CueParser.class.getCanonicalName(), "parseRemComment(LineOfInput)");
}

/**
 * Parse the non-standard REM DISCID command.
 * <p/>
 * REM DISCID [discid]
 *
 * @param input
 */
private static void parseRemDiscid(final LineOfInput input) {
  CueParser.logger.entering(CueParser.class.getCanonicalName(), "parseRemDiscid(LineOfInput)", input);
  Matcher matcher = PATTERN_REM_DISCID.matcher(input.getInput());
  if (matcher.find()) {
    String discid = matcher.group(2);
    if (discid.charAt(0) == '"' && discid.charAt(discid.length() - 1) == '"') {
      discid = discid.substring(1, discid.length() - 1);
    }
    input.getAssociatedSheet().setDiscid(discid);
  } else {
    addWarning(input, WARNING_UNPARSEABLE_INPUT);
  }
  CueParser.logger.exiting(CueParser.class.getCanonicalName(), "parseRemDiscid(LineOfInput)");
}

/**
 * Serialize the index.
 *
 * @param builder     The StringBuilder to serialize to.
 * @param index       The Index to serialize.
 * @param indentation The current indentation.
 */
private void serializeIndex(final StringBuilder builder, final Index index, final String indentation) {
  CueSheetSerializer.logger.entering
      (CueSheetSerializer.class.getCanonicalName()
          , "serializeIndex(StringBuilder,Index,String)"
          , new Object[]{builder, index, indentation}
      );
  builder.append(indentation).append("INDEX");
  if (index.getNumber() > -1) {
    builder.append(' ').append(String.format("%1$02d", index.getNumber()));
  }
  if (index.getPosition() != null) {
    builder.append(' ').append(formatPosition(index.getPosition()));
  }
  builder.append('\n');
  CueSheetSerializer.logger.exiting
      (CueSheetSerializer.class.getCanonicalName(), "serializeIndex(StringBuilder,Index,String)");
}

/**
 * Format the specified position.
 *
 * @param position
 * @return The formatted position.
 */
private String formatPosition(final Position position) {
  CueSheetSerializer.logger.entering(CueSheetSerializer.class.getCanonicalName(), "formatPosition(Position)", position);
  String result = String.format
      ("%1$02d:%2$02d:%3$02d", position.getMinutes(), position.getSeconds(), position.getFrames());
  CueSheetSerializer.logger.exiting(CueSheetSerializer.class.getCanonicalName(), "formatPosition(Position)", result);
  return result;
}

/**
 * Determine if the input starts with some string. Will return true if it matches, regardless of case. If there is
 * a match, but the case differs, then a "TOKEN NOT UPPERCASE" warning will be added to the cue sheet associated
 * with the input.
 *
 * @param input The input to check.
 * @param start The starting string to check for. Should be uppercase, or else the warning will not make sense.
 * @return True if there is a match. False otherwise.
 */
private static boolean startsWith(final LineOfInput input, final String start) {
  CueParser.logger.entering
      (CueParser.class.getCanonicalName(), "startsWith(LineOfInput,String)", new Object[]{input, start});
  if (input.getInput().startsWith(start)) {
    CueParser.logger.exiting(CueParser.class.getCanonicalName(), "startsWith(LineOfInput,String)", true);
    return true;
  } else if (input.getInput().substring(0, start.length()).equalsIgnoreCase(start)) {
    addWarning(input, WARNING_TOKEN_NOT_UPPERCASE);
    CueParser.logger.exiting(CueParser.class.getCanonicalName(), "startsWith(LineOfInput,String)", true);
    return true;
  } else {
    CueParser.logger.exiting(CueParser.class.getCanonicalName(), "startsWith(LineOfInput,String)", false);
    return false;
  }
}

/**
 * Add an error message to this cue sheet.
 * @param lineOfInput The line of input that caused the error.
 * @param message A message describing the error.
 */
public void addError(LineOfInput lineOfInput, String message)
{
 logger.entering
  (CueSheet.class.getCanonicalName(), "addError(LineOfInput,String)", new Object[]{lineOfInput, message});
 this.messages.add(new Error(lineOfInput, message));
 logger.exiting(CueSheet.class.getCanonicalName(), "addError(LineOfInput,String)");
}

/**
 * Add a warning message to this cue sheet.
 * @param lineOfInput The line of input that caused the warning.
 * @param message A message describing the warning.
 */
public void addWarning(LineOfInput lineOfInput, String message)
{
 logger.entering
  (CueSheet.class.getCanonicalName(), "addWarning(LineOfInput,String)", new Object[]{lineOfInput, message});
 this.messages.add(new Warning(lineOfInput, message));
 logger.exiting(CueSheet.class.getCanonicalName(), "addWarning(LineOfInput,String)");
}

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