Java tutorial
package com.limegroup.gnutella.metadata; import java.io.File; import java.io.IOException; import org.apache.commons.logging.LogFactory; import org.apache.commons.logging.Log; /** * Sets WMA metadata using the ASF parser. */ public class WMAMetaData extends AudioMetaData { private static final Log LOG = LogFactory.getLog(WMAMetaData.class); /** Sets WMA data. */ public WMAMetaData(File f) throws IOException { super(f); } /** Constructs a WMAMetadata from a parser. */ public WMAMetaData(ASFParser p) throws IOException { set(p); } /** Parse using the ASF Parser. */ protected void parseFile(File f) throws IOException { ASFParser data = new ASFParser(f); set(data); } /** Sets data based on an ASF Parser. */ private void set(ASFParser data) throws IOException { if (data.hasVideo()) throw new IOException("use WMV instead!"); if (!data.hasAudio()) throw new IOException("no audio data!"); setTitle(data.getTitle()); setAlbum(data.getAlbum()); setArtist(data.getArtist()); setYear(data.getYear()); setComment(data.getComment()); setTrack(data.getTrack()); setBitrate(data.getBitrate()); setLength(data.getLength()); setGenre(data.getGenre()); setLicense(data.getCopyright()); if (data.getLicenseInfo() != null) setLicenseType(data.getLicenseInfo()); } }