import org.farng.mp3.TagOptionSingleton; //导入依赖的package包/类
/**
 * Match all elements of this composite against the keywords for this class type found in
 * <code>TagOptionSingleton</code>. If the <code>FilenameToken</code> matches the keyword, the token's class is
 * set.
 *
 * @param matchId3v2FrameBodyClass Class of keywords to match against.
 */
public void matchAgainstKeyword(final Class matchId3v2FrameBodyClass) {
    if (AbstractID3v2FrameBody.class.isAssignableFrom(matchId3v2FrameBodyClass)) {
        if (TagOptionSingleton.getInstance().isCompositeMatchOverwrite() || id3v2FrameBodyClass == null) {
            final Iterator iterator = TagOptionSingleton.getInstance()
                    .getKeywordListIterator(matchId3v2FrameBodyClass);
            final String lowerCaseToken = token.toLowerCase();
            while (iterator.hasNext()) {
                final String matchString = ((String) iterator.next()).toLowerCase();
                if (matchString.equals(lowerCaseToken) ||
                    matchString.indexOf(lowerCaseToken) >= 0 ||
                    lowerCaseToken.indexOf(matchString) >= 0) {
                    setId3v2FrameBodyClass(matchId3v2FrameBodyClass);
                    break;
                }
            }
        }
    }
}
 

import org.farng.mp3.TagOptionSingleton; //导入依赖的package包/类
/**
 * Parses the given token into two halves with the delimiters found in <code> TagOptionSingleton</code>
 *
 * @param token token to split
 *
 * @return index 0 is the delimiter. index 1 and 2 are the before and after tokens respectively.
 */
private static String[] parseDelimiter(final String token) {
    String[] tokenArray = null;
    if (token != null && token.length() > 0) {
        final Iterator iterator = TagOptionSingleton.getInstance().getFilenameDelimiterIterator();
        int index;
        String delimiter;
        while (iterator.hasNext()) {
            delimiter = (String) iterator.next();
            index = token.indexOf(delimiter);
            if (index >= 0) {
                tokenArray = new String[3];
                tokenArray[0] = delimiter;
                tokenArray[1] = token.substring(0, index);
                tokenArray[2] = token.substring(index + delimiter.length());
            }
        }
    }
    return tokenArray;
}
 

import org.farng.mp3.TagOptionSingleton; //导入依赖的package包/类
/**
 * Parses the given token into two halves with the delimiters found in <code> TagOptionSingleton</code>
 *
 * @param token token to split
 *
 * @return index 0 is the delimiter. index 1 and 2 are the before and after tokens respectively.
 */
private static String[] parseEndWordDelimiter(final String token) {
    String[] tokenArray = null;
    if (token != null && token.length() > 0) {
        final Iterator iterator = TagOptionSingleton.getInstance().getEndWordDelimiterIterator();
        int index;
        String delimiter;
        while (iterator.hasNext()) {
            delimiter = (String) iterator.next();
            if (token.endsWith(delimiter)) {
                index = token.substring(0, token.length() - delimiter.length()).indexOf(delimiter);
            } else {
                index = token.indexOf(delimiter);
            }
            if (index > 0) {
                tokenArray = new String[3];
                tokenArray[0] = delimiter;
                tokenArray[1] = token.substring(0, index);
                tokenArray[2] = token.substring(index);
            }
        }
    }
    return tokenArray;
}
 

import org.farng.mp3.TagOptionSingleton; //导入依赖的package包/类
/**
 * Parses the given token into two halves with the delimiters found in <code> TagOptionSingleton</code>
 *
 * @param token token to split
 *
 * @return index 0 is the delimiter. index 1 and 2 are the before and after tokens respectively.
 */
private static String[] parseStartWordDelimiter(final String token) {
    String[] tokenArray = null;
    if (token != null && token.length() > 0) {
        final Iterator iterator = TagOptionSingleton.getInstance().getStartWordDelimiterIterator();
        int index;
        String delimiter;
        while (iterator.hasNext()) {
            delimiter = (String) iterator.next();
            if (token.startsWith(delimiter)) {
                index = token.indexOf(delimiter, delimiter.length());
            } else {
                index = token.indexOf(delimiter);
            }
            if (index > 0) {
                tokenArray = new String[3];
                tokenArray[0] = delimiter;
                tokenArray[1] = token.substring(0, index);
                tokenArray[2] = token.substring(index);
            }
        }
    }
    return tokenArray;
}
 

import org.farng.mp3.TagOptionSingleton; //导入依赖的package包/类
/**
 * Reconstruct the filename that is represented by this composite.
 *
 * @return the filename that is represented by this composite.
 */
public String composeFilename() {
    final StringBuffer stringBuffer = new StringBuffer(128);
    if (getBeforeComposite() != null) {
        stringBuffer.append(getBeforeComposite().composeFilename());
    }
    stringBuffer.append(' ');
    stringBuffer.append(openDelimiter);
    if (middleComposite != null) {
        stringBuffer.append(middleComposite.composeFilename());
    }
    stringBuffer.append(TagOptionSingleton.getInstance().getCloseParenthesis(openDelimiter));
    stringBuffer.append(' ');
    if (getAfterComposite() != null) {
        stringBuffer.append(getAfterComposite().composeFilename());
    }
    return stringBuffer.toString().trim();
}
 

import org.farng.mp3.TagOptionSingleton; //导入依赖的package包/类
public void read(final RandomAccessFile file) throws InvalidTagException, java.io.IOException {
    final String lineString;
    byte[] buffer = new byte[5];

    // read the 5 character size
    file.read(buffer, 0, 5);
    final int size = Integer.parseInt(new String(buffer, 0, 5));
    if ((size == 0) && (TagOptionSingleton.getInstance().isLyrics3KeepEmptyFieldIfRead() == false)) {
        throw new InvalidTagException("Lyircs3v2 Field has size of zero.");
    }
    buffer = new byte[size];

    // read the SIZE length description
    file.read(buffer);
    lineString = new String(buffer);
    readString(lineString);
}
 

import org.farng.mp3.TagOptionSingleton; //导入依赖的package包/类
public void read(final RandomAccessFile file) throws InvalidTagException, java.io.IOException {
    final String imageString;
    byte[] buffer = new byte[5];

    // read the 5 character size
    file.read(buffer, 0, 5);
    final int size = Integer.parseInt(new String(buffer, 0, 5));
    if ((size == 0) && (TagOptionSingleton.getInstance().isLyrics3KeepEmptyFieldIfRead() == false)) {
        throw new InvalidTagException("Lyircs3v2 Field has size of zero.");
    }
    buffer = new byte[size];

    // read the SIZE length description
    file.read(buffer);
    imageString = new String(buffer);
    readString(imageString);
}
 

import org.farng.mp3.TagOptionSingleton; //导入依赖的package包/类
public void append(final AbstractMP3Tag tag) {
    final ID3v1_1 oldTag = this;
    final ID3v1_1 newTag;
    if (tag != null) {
        if (tag instanceof ID3v1_1) {
            newTag = (ID3v1_1) tag;
        } else {
            newTag = new ID3v1_1(tag);
        }
        if (tag instanceof org.farng.mp3.lyrics3.AbstractLyrics3) {
            TagOptionSingleton.getInstance().setId3v1SaveTrack(false);
        }
        oldTag.track = (TagOptionSingleton.getInstance().isId3v1SaveTrack() && (oldTag.track <= 0)) ?
                       newTag.track :
                       oldTag.track;

        // we don't need to reset the tag options because
        // we want to save all fields (default)
    }

    // we can't send newTag here because we need to keep the lyrics3
    // class type ... check super.append and you'll see what i mean.
    super.append(tag);
}
 

import org.farng.mp3.TagOptionSingleton; //导入依赖的package包/类
public void overwrite(final AbstractMP3Tag tag) {
    final ID3v1_1 oldTag = this;
    ID3v1_1 newTag = null;
    if (tag != null) {
        if (tag instanceof ID3v1_1) {
            newTag = (ID3v1_1) tag;
        } else {
            newTag = new ID3v1_1(tag);
        }
        if (tag instanceof org.farng.mp3.lyrics3.AbstractLyrics3) {
            TagOptionSingleton.getInstance().setId3v1SaveTrack(false);
        }
        oldTag.track = TagOptionSingleton.getInstance().isId3v1SaveTrack() ? newTag.track : oldTag.track;

        // we don't need to reset the tag options because
        // we want to save all fields (default)
    }
    super.overwrite(newTag);
}
 

import org.farng.mp3.TagOptionSingleton; //导入依赖的package包/类
public void overwrite(final AbstractMP3Tag tag) {
    final ID3v1 oldTag = this;
    final ID3v1 newTag;
    if (tag != null) {
        if (tag instanceof ID3v1) {
            newTag = (ID3v1) tag;
        } else {
            newTag = new ID3v1();
        }
        if (tag instanceof org.farng.mp3.lyrics3.AbstractLyrics3) {
            TagOptionSingleton.getInstance().setId3v1SaveYear(false);
            TagOptionSingleton.getInstance().setId3v1SaveComment(false);
        }
        oldTag.title = TagOptionSingleton.getInstance().isId3v1SaveTitle() ? newTag.title : oldTag.artist;
        oldTag.artist = TagOptionSingleton.getInstance().isId3v1SaveArtist() ? newTag.artist : oldTag.artist;
        oldTag.album = TagOptionSingleton.getInstance().isId3v1SaveAlbum() ? newTag.album : oldTag.album;
        oldTag.year = TagOptionSingleton.getInstance().isId3v1SaveYear() ? newTag.year : oldTag.year;
        oldTag.comment = TagOptionSingleton.getInstance().isId3v1SaveComment() ? newTag.comment : oldTag.comment;
        oldTag.genre = TagOptionSingleton.getInstance().isId3v1SaveGenre() ? newTag.genre : oldTag.genre;

        // we don't need to reset the tag options because
        // we want to save all fields (default)
    }
}
 

import org.farng.mp3.TagOptionSingleton; //导入依赖的package包/类
/**
 * Traverse the composite and set the class field to match keywords found in TagOptionSingleton.
 *
 * @param composite composite to update.
 */
public static void updateCompositeFromAllOption(final AbstractFilenameComposite composite) {
    final Iterator iterator = TagOptionSingleton.getInstance().getKeywordIterator();
    while (iterator.hasNext()) {
        composite.matchAgainstKeyword((Class) iterator.next());
    }
}
 

import org.farng.mp3.TagOptionSingleton; //导入依赖的package包/类
/**
 * Given a specific token, parse it into halves according to the <code>TagOptionSingleton</code>
 *
 * @param token token to split.
 *
 * @return index 0 and 1 are the parenthesis delimiters. index 2, 3, 4 are before, middle, and after respectively.
 */
private static String[] parseParenthesis(final String token) throws TagException {
    String[] tokenArray = null;
    if (token != null && token.length() > 0) {
        final TagOptionSingleton option = TagOptionSingleton.getInstance();
        String tempOpen;
        String open = "";
        final String close;
        int openIndex = token.length();
        int tempIndex;
        final int closeIndex;
        final Iterator iterator = option.getOpenParenthesisIterator();

        // find first parenthesis
        while (iterator.hasNext()) {
            tempOpen = (String) iterator.next();
            tempIndex = token.indexOf(tempOpen);
            if (tempIndex >= 0 && tempIndex < openIndex) {
                openIndex = tempIndex;
                open = tempOpen;
            }
        }

        // we have a parenthesis
        if (openIndex >= 0 && openIndex < token.length()) {
            close = option.getCloseParenthesis(open);
            closeIndex = TagUtility.findMatchingParenthesis(token, openIndex);
            if (closeIndex < 0) {
                throw new TagException("Unmatched parenthesis in \"" + token + "\" at position : " + openIndex);
            }
            tokenArray = new String[5];
            tokenArray[0] = open;
            tokenArray[1] = close;
            tokenArray[2] = token.substring(0, openIndex);
            tokenArray[3] = token.substring(openIndex + open.length(), closeIndex);
            tokenArray[4] = token.substring(closeIndex + close.length());
        }
    }
    return tokenArray;
}
 

import org.farng.mp3.TagOptionSingleton; //导入依赖的package包/类
protected int readHeader(final RandomAccessFile file) throws InvalidTagException, IOException {
    final int size;
    final byte[] buffer = new byte[5];

    // read the 5 character size
    file.read(buffer, 0, 5);
    size = Integer.parseInt(new String(buffer, 0, 5));
    if ((size == 0) && (TagOptionSingleton.getInstance().isLyrics3KeepEmptyFieldIfRead() == false)) {
        throw new InvalidTagException("Lyircs3v2 Field has size of zero.");
    }
    return size;
}
 

import org.farng.mp3.TagOptionSingleton; //导入依赖的package包/类
public void append(final AbstractMP3Tag tag) {
    final Lyrics3v2 oldTag = this;
    final Lyrics3v2 newTag;
    if (tag != null) {
        if (tag instanceof Lyrics3v2) {
            newTag = (Lyrics3v2) tag;
        } else {
            newTag = new Lyrics3v2(tag);
        }
        Iterator iterator = newTag.fieldMap.values().iterator();
        Lyrics3v2Field field;
        AbstractLyrics3v2FieldBody body;
        while (iterator.hasNext()) {
            field = (Lyrics3v2Field) iterator.next();
            if (oldTag.hasField(field.getIdentifier()) == false) {
                oldTag.setField(field);
            } else {
                body = (AbstractLyrics3v2FieldBody) oldTag.getField(field.getIdentifier()).getBody();
                final boolean save = TagOptionSingleton.getInstance().getLyrics3SaveField(field.getIdentifier());
                if ((body.getSize() == 0) && save) {
                    oldTag.setField(field);
                }
            }
        }

        // reset tag options to save all current fields.
        iterator = oldTag.fieldMap.keySet().iterator();
        String id;
        while (iterator.hasNext()) {
            id = (String) iterator.next();
            TagOptionSingleton.getInstance().setLyrics3SaveField(id, true);
        }
    }
}
 

import org.farng.mp3.TagOptionSingleton; //导入依赖的package包/类
public void overwrite(final AbstractMP3Tag tag) {
    final Lyrics3v2 oldTag = this;
    final Lyrics3v2 newTag;
    if (tag != null) {
        if (tag instanceof Lyrics3v2) {
            newTag = (Lyrics3v2) tag;
        } else {
            newTag = new Lyrics3v2(tag);
        }
        Iterator iterator = newTag.fieldMap.values().iterator();
        Lyrics3v2Field field;
        while (iterator.hasNext()) {
            field = (Lyrics3v2Field) iterator.next();
            if (TagOptionSingleton.getInstance().getLyrics3SaveField(field.getIdentifier())) {
                oldTag.setField(field);
            }
        }

        // reset tag options to save all current fields.
        iterator = oldTag.fieldMap.keySet().iterator();
        String id;
        while (iterator.hasNext()) {
            id = (String) iterator.next();
            TagOptionSingleton.getInstance().setLyrics3SaveField(id, true);
        }
    }
}
 

import org.farng.mp3.TagOptionSingleton; //导入依赖的package包/类
public void write(final RandomAccessFile file) throws IOException {
    if (((this.getBody()).getSize() > 0) || TagOptionSingleton.getInstance().isLyrics3SaveEmptyField()) {
        final byte[] buffer = new byte[3];
        final String str = getIdentifier();
        for (int i = 0; i < str.length(); i++) {
            buffer[i] = (byte) str.charAt(i);
        }
        file.write(buffer, 0, str.length());
        this.getBody().write(file);
    }
}
 

import org.farng.mp3.TagOptionSingleton; //导入依赖的package包/类
public void overwrite(final AbstractMP3Tag tag) {
    final Lyrics3v1 oldTag = this;
    final Lyrics3v1 newTag;
    if (tag != null) {
        if (tag instanceof Lyrics3v1) {
            newTag = (Lyrics3v1) tag;
        } else {
            newTag = new Lyrics3v1();
        }
        this.lyric = TagOptionSingleton.getInstance().isLyrics3Save() ? newTag.lyric : oldTag.lyric;
    }
}
 

import org.farng.mp3.TagOptionSingleton; //导入依赖的package包/类
public void append(final AbstractMP3Tag tag) {
    final ID3v1 oldTag = this;
    final ID3v1 newTag;
    if (tag != null) {
        if (tag instanceof ID3v1) {
            newTag = (ID3v1) tag;
        } else {
            newTag = new ID3v1();
        }
        if (tag instanceof org.farng.mp3.lyrics3.AbstractLyrics3) {
            TagOptionSingleton.getInstance().setId3v1SaveYear(false);
            TagOptionSingleton.getInstance().setId3v1SaveComment(false);
        }
        oldTag.title = (TagOptionSingleton.getInstance().isId3v1SaveTitle() && (oldTag.title.length() == 0)) ?
                       newTag.title :
                       oldTag.title;
        oldTag.artist = (TagOptionSingleton.getInstance().isId3v1SaveArtist() && (oldTag.artist.length() == 0)) ?
                        newTag.artist :
                        oldTag.artist;
        oldTag.album = (TagOptionSingleton.getInstance().isId3v1SaveAlbum() && (oldTag.album.length() == 0)) ?
                       newTag.album :
                       oldTag.album;
        oldTag.year = (TagOptionSingleton.getInstance().isId3v1SaveYear() && (oldTag.year.length() == 0)) ?
                      newTag.year :
                      oldTag.year;
        oldTag.comment = (TagOptionSingleton.getInstance().isId3v1SaveComment() && (oldTag.comment.length() == 0)) ?
                         newTag.comment :
                         oldTag.comment;
        oldTag.genre = (TagOptionSingleton.getInstance().isId3v1SaveGenre() && (oldTag.genre < 0)) ?
                       newTag.genre :
                       oldTag.genre;

        // we don't need to reset the tag options because
        // we want to save all fields (default)
    }
}
 

import org.farng.mp3.TagOptionSingleton; //导入依赖的package包/类
public void write(final RandomAccessFile file) throws IOException {
    int offset = 0;
    final long filePointer;
    final byte[] buffer = new byte[6 + 9];
    String str;
    Lyrics3v2Field field;
    final Iterator iterator;
    ID3v1 id3v1tag = new ID3v1();
    id3v1tag = id3v1tag.getID3tag(file);
    delete(file);
    file.seek(file.length());
    filePointer = file.getFilePointer();
    str = "LYRICSBEGIN";
    for (int i = 0; i < str.length(); i++) {
        buffer[i] = (byte) str.charAt(i);
    }
    file.write(buffer, 0, str.length());

    // IND needs to go first. lets create/update it and write it first.
    updateField("IND");
    field = (Lyrics3v2Field) this.fieldMap.get("IND");
    field.write(file);
    iterator = this.fieldMap.values().iterator();
    while (iterator.hasNext()) {
        field = (Lyrics3v2Field) iterator.next();
        final String id = field.getIdentifier();
        final boolean save = TagOptionSingleton.getInstance().getLyrics3SaveField(id);
        if ((id.equals("IND") == false) && save) {
            field.write(file);
        }
    }
    final long size;
    size = file.getFilePointer() - filePointer;
    str = Long.toString(size);
    for (int i = 0; i < (6 - str.length()); i++) {
        buffer[i] = (byte) '0';
    }
    offset += (6 - str.length());
    for (int i = 0; i < str.length(); i++) {
        buffer[i + offset] = (byte) str.charAt(i);
    }
    offset += str.length();
    str = "LYRICS200";
    for (int i = 0; i < str.length(); i++) {
        buffer[i + offset] = (byte) str.charAt(i);
    }
    offset += str.length();
    file.write(buffer, 0, offset);
    if (id3v1tag != null) {
        id3v1tag.write(file);
    }
}
 

import org.farng.mp3.TagOptionSingleton; //导入依赖的package包/类
public void write(final RandomAccessFile file) throws IOException {
    final byte[] buffer = new byte[128];
    int i;
    int offset = 3;
    String str;
    delete(file);
    file.seek(file.length());
    buffer[0] = (byte) 'T';
    buffer[1] = (byte) 'A';
    buffer[2] = (byte) 'G';
    if (TagOptionSingleton.getInstance().isId3v1SaveTitle()) {
        str = TagUtility.truncate(this.title, 30);
        for (i = 0; i < str.length(); i++) {
            buffer[i + offset] = (byte) str.charAt(i);
        }
    }
    offset += 30;
    if (TagOptionSingleton.getInstance().isId3v1SaveArtist()) {
        str = TagUtility.truncate(this.artist, 30);
        for (i = 0; i < str.length(); i++) {
            buffer[i + offset] = (byte) str.charAt(i);
        }
    }
    offset += 30;
    if (TagOptionSingleton.getInstance().isId3v1SaveAlbum()) {
        str = TagUtility.truncate(this.album, 30);
        for (i = 0; i < str.length(); i++) {
            buffer[i + offset] = (byte) str.charAt(i);
        }
    }
    offset += 30;
    if (TagOptionSingleton.getInstance().isId3v1SaveYear()) {
        str = TagUtility.truncate(this.year, 4);
        for (i = 0; i < str.length(); i++) {
            buffer[i + offset] = (byte) str.charAt(i);
        }
    }
    offset += 4;
    if (TagOptionSingleton.getInstance().isId3v1SaveComment()) {
        str = TagUtility.truncate(this.comment, 30);
        for (i = 0; i < str.length(); i++) {
            buffer[i + offset] = (byte) str.charAt(i);
        }
    }
    offset += 30;
    if (TagOptionSingleton.getInstance().isId3v1SaveGenre()) {
        buffer[offset] = this.genre;
    }
    file.write(buffer);
}