Reading MP3 header information from file

Hi,
Im currently using the JMF bean to play a specified location. Such as a media player would do. Now I would like to read the ehader information of MP3 files - if provided as a source. How can I access this data ?
thanks,
detlef

You need to read about the .DWG file format somewhere. Use some binary file editor like Ultraedit and try to understand the file's layout.
Hint: if it is a binary format, do not use "readLine". Read the raw bytes and try to get the structure of the file piecewise.

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Hello all,
I save in a record (RMS) following infomation:
id - int
webid - int
del - int
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if I want read the name directly do I need to read all previous information (id, webid, del)? Do you know a way to read directly the name without reading the other information?
Now my code is like :
try {
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                     reader.readLong();
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I think that my explanation wasn't good :(
I don't want to find a special record...I want read a special part of a record.
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When I read all my records, I would like retrieve directly the String "john","rose"...
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Is it possible to read directly a part of a record?
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Regards

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This may be a simple fix, but I'm having no luck figuring it out. I've got an application here that scans through a given directory for all files. We are going to assume that all files below the given parent directory are *.mp3 files. Every file we find is going to have its path stored into an ArrayList. After the ArrayList is created, we will then through the ArrayList, getting the String value which is a path to our MP3 file.
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* Main.java
* @author tristan
* Created on August 7, 2007, 4:26 PM
package audioidreader;
import java.io.*;
import java.util.*;
import org.blinkenlights.jid3.*;
import org.blinkenlights.jid3.v1.*;
import org.blinkenlights.jid3.v2.*;
public class Main
    /** Creates a new instance of Main */
    public Main ()
     * @param args the command line arguments
    public static void main (String[] args) throws Exception
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        File file = null;
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            file = (File)filesIter.next ();
            result.add (file);
            if (!file.isFile ())
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                result.addAll (deeperList);
        Collections.sort (result);
        return result;
    static private void validateDirectory (File aDirectory) throws FileNotFoundException
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            throw new IllegalArgumentException ("Directory should not be null.");
        if (!aDirectory.exists ())
            throw new FileNotFoundException ("Directory does not exist: " + aDirectory);
        if (!aDirectory.isDirectory ())
            throw new IllegalArgumentException ("Is not a directory: " + aDirectory);
        if (!aDirectory.canRead ())
            throw new IllegalArgumentException ("Directory cannot be read: " + aDirectory);
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        /* getID() is called by the main method. What we are attempting to do here is
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         * After creating the file object, we are then using that object to create
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         * print out some information to the console in the format of 'Artist - Title'.
        File oSourceFile = new File (mp3);
        MediaFile oMediaFile = new MP3File (oSourceFile);
        ID3Tag[] aoID3Tag = oMediaFile.getTags ();
        for (int i=0; i < aoID3Tag.length; i++)
            if (aoID3Tag[i] instanceof ID3V1_0Tag)
                ID3V1_0Tag ID3_1 = (ID3V1_0Tag)aoID3Tag;
if (ID3_1.getTitle () != null && ID3_1.getArtist () != null)
System.out.println (ID3_1.getArtist () + " - " + ID3_1.getTitle ());
else if (aoID3Tag[i] instanceof ID3V2_3_0Tag)
ID3V2_3_0Tag ID3_2 = (ID3V2_3_0Tag)aoID3Tag[i];
if (ID3_2.getArtist () != null && ID3_2.getTitle () != null)
System.out.println (ID3_2.getArtist () + " - " + ID3_2.getTitle ());
If I type in an actual String that is a path to an MP3, such as:
getID("/home/tristan/My Music/Incubus - Drive.mp3"); Everything works fine. I've tried casting the value pulled from the ArrayList as a String and then passing it to the getID() method, but my exception I am getting is:
Exception in thread "main" java.lang.ClassCastException: java.io.File cannot be cast to java.lang.String
        at audioidreader.Main.main(Main.java:38)
Java Result: 1Line 38 is the line I have commented out. Any ideas?

You're right. That is a bit misleading. Anyway, I
decided to not cast (String) to it. It was a simple
fix just like I figured, but of course I figure it
out after I made the post.
getID (files.get (i).toString ());fixed my problem. Thank you.But not in the correct way. You should really use the canonical path or the absolute path.

BODI 11.7: Missing Source Information from File Format Editor

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