以下是从mp3文件中提取内容和元数据的程序 :
import java.io.File;import java.io.FileInputStream;import java.io.IOException;import org.apache.tika.exception.TikaException;import org.apache.tika.metadata.Metadata;import org.apache.tika.parser.ParseContext;import org.apache.tika.parser.mp3.LyricsHandler;import org.apache.tika.parser.mp3.Mp3Parser;import org.apache.tika.sax.BodyContentHandler;import org.xml.sax.SAXException;public class Mp3Parse { public static void main(final String[] args) throws Exception, IOException, SAXException, TikaException { //detecting the file type BodyContentHandler handler = new BodyContentHandler(); Metadata metadata = new Metadata(); FileInputStream inputstream = new FileInputStream(new File("example.mp3")); ParseContext pcontext = new ParseContext(); //Mp3 parser Mp3Parser Mp3Parser = new Mp3Parser(); Mp3Parser.parse(inputstream, handler, metadata, pcontext); LyricsHandler lyrics = new LyricsHandler(inputstream,handler); while(lyrics.hasLyrics()) { System.out.println(lyrics.toString()); } System.out.println("Contents of the document:" + handler.toString()); System.out.println("Metadata of the document:"); String[] metadataNames = metadata.names(); for(String name : metadataNames) { System.out.println(name + ": " + metadata.get(name)); } }}
将上述代码保存为 JpegParse.java ,使用以下命令从命令提示符编译它 :
javac Mp3Parse.javajava Mp3Parse
Example.mp3文件具有以下属性 :
执行程序后,您将获得以下输出.如果给定的文件有任何歌词,我们的应用程序将捕获并显示该输出.
输出 :
Contents of the document:Kanulanu ThaakeArijit SinghManam (2014), track 01/062014Soundtrack30171.65eng - DRGMArijit SinghManam (2014), track 01/062014Soundtrack30171.65eng - DRGMMetadata of the document:xmpDM:releaseDate: 2014xmpDM:duration: 30171.650390625xmpDM:audioChannelType: Stereodc:creator: Arijit SinghxmpDM:album: Manam (2014)Author: Arijit SinghxmpDM:artist: Arijit Singhchannels: 2xmpDM:audioSampleRate: 44100xmpDM:logComment: eng - DRGMxmpDM:trackNumber: 01/06version: MPEG 3 Layer III Version 1creator: Arijit SinghxmpDM:composer: Music : Anoop Rubens | Lyrics : VanamalixmpDM:audioCompressor: MP3title: Kanulanu Thaakesamplerate: 44100meta:author: Arijit SinghxmpDM:genre: SoundtrackContent-Type: audio/mpegxmpDM:albumArtist: Manam (2014)dc:title: Kanulanu Thaake