/* * MusicTag Copyright (C)2003,2004 * * 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, * you can get a copy from http://www.opensource.org/licenses/lgpl-license.php or write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ package org.jaudiotagger.tag.id3.framebody; import org.jaudiotagger.tag.InvalidTagException; import org.jaudiotagger.tag.datatype.DataTypes; import org.jaudiotagger.tag.datatype.NumberHashMap; import org.jaudiotagger.tag.datatype.TCONString; import org.jaudiotagger.tag.datatype.TextEncodedStringSizeTerminated; import org.jaudiotagger.tag.id3.ID3v24Frames; import org.jaudiotagger.tag.id3.valuepair.ID3V2ExtendedGenreTypes; import org.jaudiotagger.tag.id3.valuepair.TextEncoding; import org.jaudiotagger.tag.reference.GenreTypes; import java.nio.ByteBuffer; /** * Content type Text information frame. * * <p>The 'Content type', which previously was * stored as a one byte numeric value only, is now a numeric string. You * may use one or several of the types as ID3v1.1 did or, since the * category list would be impossible to maintain with accurate and up to * date categories, define your own. * <p> * ID3V23:References to the ID3v1 genres can be made by, as first byte, enter * "(" followed by a number from the genres list (appendix A) and * ended with a ")" character. This is optionally followed by a * refinement, e.g. "(21)" or "(4)Eurodisco". Several references can be * made in the same frame, e.g. "(51)(39)". If the refinement should * begin with a "(" character it should be replaced with "((", e.g. "((I * can figure out any genre)" or "(55)((I think...)". The following new * content types is defined in ID3v2 and is implemented in the same way * as the numeric content types, e.g. "(RX)". * <p><table border=0 width="70%"> * <tr><td>RX</td><td width="100%">Remix</td></tr> * <tr><td>CR</td><td>Cover</td></tr> * </table> * * <p>For more details, please refer to the ID3 specifications: * <ul> * <li><a href="http://www.id3.org/id3v2.3.0.txt">ID3 v2.3.0 Spec</a> * </ul> * * ID3V24:The 'Content type', which ID3v1 was stored as a one byte numeric * value only, is now a string. You may use one or several of the ID3v1 * types as numerical strings, or, since the category list would be * impossible to maintain with accurate and up to date categories, * define your own. Example: "21" $00 "Eurodisco" $00 * * You may also use any of the following keywords: * <p><table border=0 width="70%"> * <tr><td>RX</td><td width="100%">Remix</td></tr> * <tr><td>CR</td><td>Cover</td></tr> * </table> * * @author : Paul Taylor * @author : Eric Farng * @version $Id$ */ public class FrameBodyTCON extends AbstractFrameBodyTextInfo implements ID3v24FrameBody, ID3v23FrameBody { /** * Creates a new FrameBodyTCON datatype. */ public FrameBodyTCON() { } public FrameBodyTCON(FrameBodyTCON body) { super(body); } /** * Creates a new FrameBodyTCON datatype. * * @param textEncoding * @param text */ public FrameBodyTCON(byte textEncoding, String text) { super(textEncoding, text); } /** * Creates a new FrameBodyTCON datatype. * * @param byteBuffer * @param frameSize * @throws InvalidTagException */ public FrameBodyTCON(ByteBuffer byteBuffer, int frameSize) throws InvalidTagException { super(byteBuffer, frameSize); } /** * The ID3v2 frame identifier * * @return the ID3v2 frame identifier for this frame type */ public String getIdentifier() { return ID3v24Frames.FRAME_ID_GENRE; } /** * Convert value to internal genre value * * @param value * @return */ public static String convertGenericToID3v24Genre(String value) { try { //If passed id and known value use it int genreId = Integer.parseInt(value); if (genreId < GenreTypes.getMaxGenreId()) { return String.valueOf(genreId); } else { return value; } } catch (NumberFormatException nfe) { //If passed String, use matching intregral value if can Integer genreId = GenreTypes.getInstanceOf().getIdForName(value); if (genreId != null) { return String.valueOf(genreId); } //Covert special string values if (value.equalsIgnoreCase(ID3V2ExtendedGenreTypes.RX.getDescription())) { value = ID3V2ExtendedGenreTypes.RX.name(); } else if (value.equalsIgnoreCase(ID3V2ExtendedGenreTypes.CR.getDescription())) { value = ID3V2ExtendedGenreTypes.CR.name(); } else if (value.equalsIgnoreCase(ID3V2ExtendedGenreTypes.RX.name())) { value = ID3V2ExtendedGenreTypes.RX.name(); } else if (value.equalsIgnoreCase(ID3V2ExtendedGenreTypes.CR.name())) { value = ID3V2ExtendedGenreTypes.CR.name(); } } return value; } /** * Convert value to internal genre value * * @param value * @return */ public static String convertGenericToID3v23Genre(String value) { try { //If passed integer and in list use numeric form else use original value int genreId = Integer.parseInt(value); if (genreId < GenreTypes.getMaxGenreId()) { return bracketWrap(String.valueOf(genreId)); } else { return value; } } catch (NumberFormatException nfe) { //if passed text try and find integral value otherwise use text Integer genreId = GenreTypes.getInstanceOf().getIdForName(value); if (genreId != null) { return bracketWrap(String.valueOf(genreId)); } //But special handling for these text values if (value.equalsIgnoreCase(ID3V2ExtendedGenreTypes.RX.getDescription())) { value = bracketWrap(ID3V2ExtendedGenreTypes.RX.name()); } else if (value.equalsIgnoreCase(ID3V2ExtendedGenreTypes.CR.getDescription())) { value = bracketWrap(ID3V2ExtendedGenreTypes.CR.name()); } else if (value.equalsIgnoreCase(ID3V2ExtendedGenreTypes.RX.name())) { value = bracketWrap(ID3V2ExtendedGenreTypes.RX.name()); } else if (value.equalsIgnoreCase(ID3V2ExtendedGenreTypes.CR.name())) { value = bracketWrap(ID3V2ExtendedGenreTypes.CR.name()); } } return value; } public static String convertGenericToID3v22Genre(String value) { return convertGenericToID3v23Genre(value); } private static String bracketWrap(Object value) { return "(" + value + ')'; } /** * Convert internal v24 genre value to generic genre * * @param value * @return */ public static String convertID3v24GenreToGeneric(String value) { try { int genreId = Integer.parseInt(value); if (genreId < GenreTypes.getMaxStandardGenreId()) { return GenreTypes.getInstanceOf().getValueForId(genreId); } else { return value; } } catch (NumberFormatException nfe) { if (value.equalsIgnoreCase(ID3V2ExtendedGenreTypes.RX.name())) { value = ID3V2ExtendedGenreTypes.RX.getDescription(); } else if (value.equalsIgnoreCase(ID3V2ExtendedGenreTypes.CR.name())) { value = ID3V2ExtendedGenreTypes.CR.getDescription(); } else { return value; } } return value; } private static String checkBracketed(String value) { value=value.replace("(", ""); value=value.replace(")", ""); try { int genreId = Integer.parseInt(value); if (genreId < GenreTypes.getMaxStandardGenreId()) { return GenreTypes.getInstanceOf().getValueForId(genreId); } else { return value; } } catch (NumberFormatException nfe) { if (value.equalsIgnoreCase(ID3V2ExtendedGenreTypes.RX.name())) { value = ID3V2ExtendedGenreTypes.RX.getDescription(); } else if (value.equalsIgnoreCase(ID3V2ExtendedGenreTypes.CR.name())) { value = ID3V2ExtendedGenreTypes.CR.getDescription(); } else { return value; } } return value; } /** * Convert V23 format to Generic * * i.e. * * (2) -> Country * (RX) -> Remix * Shoegaze -> Shoegaze * (2)Shoegaze -> Country Shoegaze * * Note only handles one field so if the frame stored (2)(3) this would be two separate fields * and would manifest itself as two different calls to this method once for (2) and once for (3) * @param value * @return */ public static String convertID3v23GenreToGeneric(String value) { if(value.contains(")") && value.lastIndexOf(')')<value.length()-1) { return checkBracketed(value.substring(0,value.lastIndexOf(')'))) + ' ' + value.substring(value.lastIndexOf(')')+1); } else { return checkBracketed(value); } } public static String convertID3v22GenreToGeneric(String value) { return convertID3v23GenreToGeneric(value); } public void setV23Format() { TCONString text = (TCONString) getObject(DataTypes.OBJ_TEXT); text.setNullSeperateMultipleValues(false); } protected void setupObjectList() { objectList.add(new NumberHashMap(DataTypes.OBJ_TEXT_ENCODING, this, TextEncoding.TEXT_ENCODING_FIELD_SIZE)); objectList.add(new TCONString(DataTypes.OBJ_TEXT, this)); } }