| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| Lyrics3v2Field |
|
| 3.6363636363636362;3.636 |
| 1 | /** | |
| 2 | * @author : Paul Taylor | |
| 3 | * @author : Eric Farng | |
| 4 | * | |
| 5 | * Version @version:$Id: Lyrics3v2Field.java,v 1.11 2008/07/21 10:45:49 paultaylor Exp $ | |
| 6 | * | |
| 7 | * MusicTag Copyright (C)2003,2004 | |
| 8 | * | |
| 9 | * This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser | |
| 10 | * General Public License as published by the Free Software Foundation; either version 2.1 of the License, | |
| 11 | * or (at your option) any later version. | |
| 12 | * | |
| 13 | * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even | |
| 14 | * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | |
| 15 | * See the GNU Lesser General Public License for more details. | |
| 16 | * | |
| 17 | * You should have received a copy of the GNU Lesser General Public License along with this library; if not, | |
| 18 | * you can get a copy from http://www.opensource.org/licenses/lgpl-license.php or write to the Free Software | |
| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 20 | * | |
| 21 | * Description: | |
| 22 | */ | |
| 23 | ||
| 24 | package org.jaudiotagger.tag.lyrics3; | |
| 25 | ||
| 26 | import org.jaudiotagger.tag.InvalidTagException; | |
| 27 | import org.jaudiotagger.tag.TagException; | |
| 28 | import org.jaudiotagger.tag.TagOptionSingleton; | |
| 29 | import org.jaudiotagger.tag.id3.AbstractID3v2Frame; | |
| 30 | import org.jaudiotagger.tag.id3.AbstractTagFrame; | |
| 31 | import org.jaudiotagger.tag.id3.framebody.AbstractFrameBodyTextInfo; | |
| 32 | import org.jaudiotagger.tag.id3.framebody.FrameBodyCOMM; | |
| 33 | import org.jaudiotagger.tag.id3.framebody.FrameBodySYLT; | |
| 34 | import org.jaudiotagger.tag.id3.framebody.FrameBodyUSLT; | |
| 35 | ||
| 36 | import java.io.IOException; | |
| 37 | import java.io.RandomAccessFile; | |
| 38 | import java.nio.ByteBuffer; | |
| 39 | ||
| 40 | ||
| 41 | public class Lyrics3v2Field extends AbstractTagFrame | |
| 42 | { | |
| 43 | /** | |
| 44 | * Creates a new Lyrics3v2Field datatype. | |
| 45 | */ | |
| 46 | public Lyrics3v2Field() | |
| 47 | 0 | { |
| 48 | 0 | } |
| 49 | ||
| 50 | public Lyrics3v2Field(Lyrics3v2Field copyObject) | |
| 51 | { | |
| 52 | 0 | super(copyObject); |
| 53 | 0 | } |
| 54 | ||
| 55 | /** | |
| 56 | * Creates a new Lyrics3v2Field datatype. | |
| 57 | * | |
| 58 | * @param body | |
| 59 | */ | |
| 60 | public Lyrics3v2Field(AbstractLyrics3v2FieldFrameBody body) | |
| 61 | 0 | { |
| 62 | 0 | this.frameBody = body; |
| 63 | 0 | } |
| 64 | ||
| 65 | /** | |
| 66 | * Creates a new Lyrics3v2Field datatype. | |
| 67 | * | |
| 68 | * @param frame | |
| 69 | * @throws TagException | |
| 70 | */ | |
| 71 | public Lyrics3v2Field(AbstractID3v2Frame frame) throws TagException | |
| 72 | 0 | { |
| 73 | AbstractFrameBodyTextInfo textFrame; | |
| 74 | String text; | |
| 75 | 0 | String frameIdentifier = frame.getIdentifier(); |
| 76 | 0 | if (frameIdentifier.startsWith("USLT")) |
| 77 | { | |
| 78 | 0 | frameBody = new FieldFrameBodyLYR(""); |
| 79 | 0 | ((FieldFrameBodyLYR) frameBody).addLyric((FrameBodyUSLT) frame.getBody()); |
| 80 | } | |
| 81 | 0 | else if (frameIdentifier.startsWith("SYLT")) |
| 82 | { | |
| 83 | 0 | frameBody = new FieldFrameBodyLYR(""); |
| 84 | 0 | ((FieldFrameBodyLYR) frameBody).addLyric((FrameBodySYLT) frame.getBody()); |
| 85 | } | |
| 86 | 0 | else if (frameIdentifier.startsWith("COMM")) |
| 87 | { | |
| 88 | 0 | text = new String(((FrameBodyCOMM) frame.getBody()).getText()); |
| 89 | 0 | frameBody = new FieldFrameBodyINF(text); |
| 90 | } | |
| 91 | 0 | else if (frameIdentifier.equals("TCOM")) |
| 92 | { | |
| 93 | 0 | textFrame = (AbstractFrameBodyTextInfo) frame.getBody(); |
| 94 | 0 | frameBody = new FieldFrameBodyAUT(""); |
| 95 | 0 | if ((textFrame != null) && (textFrame.getText().length() > 0)) |
| 96 | { | |
| 97 | 0 | frameBody = new FieldFrameBodyAUT(textFrame.getText()); |
| 98 | } | |
| 99 | } | |
| 100 | 0 | else if (frameIdentifier.equals("TALB")) |
| 101 | { | |
| 102 | 0 | textFrame = (AbstractFrameBodyTextInfo) frame.getBody(); |
| 103 | 0 | if ((textFrame != null) && (textFrame.getText().length() > 0)) |
| 104 | { | |
| 105 | 0 | frameBody = new FieldFrameBodyEAL(textFrame.getText()); |
| 106 | } | |
| 107 | } | |
| 108 | 0 | else if (frameIdentifier.equals("TPE1")) |
| 109 | { | |
| 110 | 0 | textFrame = (AbstractFrameBodyTextInfo) frame.getBody(); |
| 111 | 0 | if ((textFrame != null) && (textFrame.getText().length() > 0)) |
| 112 | { | |
| 113 | 0 | frameBody = new FieldFrameBodyEAR(textFrame.getText()); |
| 114 | } | |
| 115 | } | |
| 116 | 0 | else if (frameIdentifier.equals("TIT2")) |
| 117 | { | |
| 118 | 0 | textFrame = (AbstractFrameBodyTextInfo) frame.getBody(); |
| 119 | 0 | if ((textFrame != null) && (textFrame.getText().length() > 0)) |
| 120 | { | |
| 121 | 0 | frameBody = new FieldFrameBodyETT(textFrame.getText()); |
| 122 | } | |
| 123 | } | |
| 124 | else | |
| 125 | { | |
| 126 | 0 | throw new TagException("Cannot create Lyrics3v2 field from given ID3v2 frame"); |
| 127 | } | |
| 128 | 0 | } |
| 129 | ||
| 130 | /** | |
| 131 | * Creates a new Lyrics3v2Field datatype. | |
| 132 | * | |
| 133 | * @param file | |
| 134 | * @throws InvalidTagException | |
| 135 | */ | |
| 136 | public Lyrics3v2Field(ByteBuffer byteBuffer) throws InvalidTagException | |
| 137 | 0 | { |
| 138 | 0 | this.read(byteBuffer); |
| 139 | 0 | } |
| 140 | ||
| 141 | /** | |
| 142 | * @return | |
| 143 | */ | |
| 144 | public String getIdentifier() | |
| 145 | { | |
| 146 | 0 | if (frameBody == null) |
| 147 | { | |
| 148 | 0 | return ""; |
| 149 | } | |
| 150 | 0 | return frameBody.getIdentifier(); |
| 151 | } | |
| 152 | ||
| 153 | /** | |
| 154 | * @return | |
| 155 | */ | |
| 156 | public int getSize() | |
| 157 | { | |
| 158 | 0 | return frameBody.getSize() + 5 + getIdentifier().length(); |
| 159 | } | |
| 160 | ||
| 161 | /** | |
| 162 | * @param byteBuffer | |
| 163 | * @throws InvalidTagException | |
| 164 | * @throws IOException | |
| 165 | */ | |
| 166 | public void read(ByteBuffer byteBuffer) throws InvalidTagException | |
| 167 | { | |
| 168 | 0 | byte[] buffer = new byte[6]; |
| 169 | // lets scan for a non-zero byte; | |
| 170 | long filePointer; | |
| 171 | byte b; | |
| 172 | do | |
| 173 | { | |
| 174 | 0 | b = byteBuffer.get(); |
| 175 | } | |
| 176 | 0 | while (b == 0); |
| 177 | 0 | byteBuffer.position(byteBuffer.position() - 1); |
| 178 | // read the 3 character ID | |
| 179 | 0 | byteBuffer.get(buffer, 0, 3); |
| 180 | 0 | String identifier = new String(buffer, 0, 3); |
| 181 | // is this a valid identifier? | |
| 182 | 0 | if (Lyrics3v2Fields.isLyrics3v2FieldIdentifier(identifier) == false) |
| 183 | { | |
| 184 | 0 | throw new InvalidTagException(identifier + " is not a valid ID3v2.4 frame"); |
| 185 | } | |
| 186 | 0 | frameBody = readBody(identifier, byteBuffer); |
| 187 | 0 | } |
| 188 | ||
| 189 | /** | |
| 190 | * @return | |
| 191 | */ | |
| 192 | public String toString() | |
| 193 | { | |
| 194 | 0 | if (frameBody == null) |
| 195 | { | |
| 196 | 0 | return ""; |
| 197 | } | |
| 198 | 0 | return frameBody.toString(); |
| 199 | } | |
| 200 | ||
| 201 | /** | |
| 202 | * @param file | |
| 203 | * @throws IOException | |
| 204 | */ | |
| 205 | public void write(RandomAccessFile file) throws IOException | |
| 206 | { | |
| 207 | 0 | if ((((AbstractLyrics3v2FieldFrameBody) frameBody).getSize() > 0) || TagOptionSingleton.getInstance().isLyrics3SaveEmptyField()) |
| 208 | { | |
| 209 | 0 | byte[] buffer = new byte[3]; |
| 210 | 0 | String str = getIdentifier(); |
| 211 | 0 | for (int i = 0; i < str.length(); i++) |
| 212 | { | |
| 213 | 0 | buffer[i] = (byte) str.charAt(i); |
| 214 | } | |
| 215 | 0 | file.write(buffer, 0, str.length()); |
| 216 | //body.write(file); | |
| 217 | } | |
| 218 | 0 | } |
| 219 | ||
| 220 | /** | |
| 221 | * Read a Lyrics3 Field from a file. | |
| 222 | * | |
| 223 | * @param identifier | |
| 224 | * @return | |
| 225 | * @throws InvalidTagException | |
| 226 | */ | |
| 227 | private AbstractLyrics3v2FieldFrameBody readBody(String identifier, ByteBuffer byteBuffer) throws InvalidTagException | |
| 228 | { | |
| 229 | 0 | AbstractLyrics3v2FieldFrameBody newBody = null; |
| 230 | 0 | if (identifier.equals(Lyrics3v2Fields.FIELD_V2_AUTHOR)) |
| 231 | { | |
| 232 | 0 | newBody = new FieldFrameBodyAUT(byteBuffer); |
| 233 | } | |
| 234 | 0 | else if (identifier.equals(Lyrics3v2Fields.FIELD_V2_ALBUM)) |
| 235 | { | |
| 236 | 0 | newBody = new FieldFrameBodyEAL(byteBuffer); |
| 237 | } | |
| 238 | 0 | else if (identifier.equals(Lyrics3v2Fields.FIELD_V2_ARTIST)) |
| 239 | { | |
| 240 | 0 | newBody = new FieldFrameBodyEAR(byteBuffer); |
| 241 | } | |
| 242 | 0 | else if (identifier.equals(Lyrics3v2Fields.FIELD_V2_TRACK)) |
| 243 | { | |
| 244 | 0 | newBody = new FieldFrameBodyETT(byteBuffer); |
| 245 | } | |
| 246 | 0 | else if (identifier.equals(Lyrics3v2Fields.FIELD_V2_IMAGE)) |
| 247 | { | |
| 248 | 0 | newBody = new FieldFrameBodyIMG(byteBuffer); |
| 249 | } | |
| 250 | 0 | else if (identifier.equals(Lyrics3v2Fields.FIELD_V2_INDICATIONS)) |
| 251 | { | |
| 252 | 0 | newBody = new FieldFrameBodyIND(byteBuffer); |
| 253 | } | |
| 254 | 0 | else if (identifier.equals(Lyrics3v2Fields.FIELD_V2_ADDITIONAL_MULTI_LINE_TEXT)) |
| 255 | { | |
| 256 | 0 | newBody = new FieldFrameBodyINF(byteBuffer); |
| 257 | } | |
| 258 | 0 | else if (identifier.equals(Lyrics3v2Fields.FIELD_V2_LYRICS_MULTI_LINE_TEXT)) |
| 259 | { | |
| 260 | 0 | newBody = new FieldFrameBodyLYR(byteBuffer); |
| 261 | } | |
| 262 | else | |
| 263 | { | |
| 264 | 0 | newBody = new FieldFrameBodyUnsupported(byteBuffer); |
| 265 | } | |
| 266 | 0 | return newBody; |
| 267 | } | |
| 268 | } |