package org.jaudiotagger.test;
import java.io.*;
import java.text.DateFormat;
import java.util.Date;
/**
* Simple class that will attempt to recusively read all files within a directory ending in .mp3 (but
* only actually expected to contain id3 tags), merge them with a given mp3 and write them to the provided
* output folder (which must already exist)
*/
public class MergeID3AndMP3Files
{
public static void main(final String[] args)
{
MergeID3AndMP3Files test = new MergeID3AndMP3Files();
if (args.length == 0)
{
System.err.println("usage MergeID3AndMP3Files FromDir ToDir mp3File");
System.err.println(" You must enter the from dir,outputdir and the mp3file to append");
System.exit(1);
}
else if (args.length != 3)
{
System.err.println("usage MergeID3AndMP3Files FromDir ToDir mp3File");
System.err.println(" Only three parameters accepted");
System.exit(1);
}
File rootDir = new File(args[0]);
if (!rootDir.isDirectory())
{
System.err.println("usage MergeID3AndMP3Files FromDir ToDir mp3File");
System.err.println(" Directory " + args[0] + " could not be found");
System.exit(1);
}
File toDir = new File(args[1]);
if (!rootDir.isDirectory())
{
System.err.println("usage MergeID3AndMP3Files FromDir ToDir mp3File");
System.err.println(" Directory " + args[1] + " could not be found");
System.exit(1);
}
File mp3File = new File(args[2]);
if (!mp3File.isFile())
{
System.err.println("usage MergeID3AndMP3Files FromDir ToDir mp3File");
System.err.println(" Mp3File " + args[2] + " could not be found");
System.exit(1);
}
Date start = new Date();
System.out.println("Started to merge from:" + rootDir.getPath() + " at " + DateFormat.getTimeInstance().format(start));
test.scanSingleDir(rootDir, toDir, mp3File);
Date finish = new Date();
System.out.println("Finished to merge from:" + rootDir.getPath() + DateFormat.getTimeInstance().format(finish));
System.out.println("Attempted to merge:" + MergeID3AndMP3Files.count);
System.out.println("Successful to merge:" + (MergeID3AndMP3Files.count - MergeID3AndMP3Files.failed));
System.out.println("Failed to merge:" + MergeID3AndMP3Files.failed);
}
private static int count = 0;
private static int failed = 0;
/**
* Recursive function to scan directory
* @param fromDir
* @param toDir
* @param mp3File
*/
private void scanSingleDir(final File fromDir, final File toDir, final File mp3File)
{
final File[] audioFiles = fromDir.listFiles(new MergeID3AndMP3Files.MP3FileFilter());
if (audioFiles.length > 0)
{
for (File audioFile : audioFiles)
{
MergeID3AndMP3Files.count++;
try
{
copyAudioToTmp(toDir, audioFile, mp3File);
}
catch (Throwable t)
{
System.err.println("Unable to merge record:" + MergeID3AndMP3Files.count + ":" + mp3File.getPath());
MergeID3AndMP3Files.failed++;
t.printStackTrace();
}
}
}
final File[] audioFileDirs = fromDir.listFiles(new MergeID3AndMP3Files.DirFilter());
if (audioFileDirs.length > 0)
{
for (File audioFileDir : audioFileDirs)
{
scanSingleDir(audioFileDir, new File(toDir, audioFileDir.getName()), mp3File);
}
}
}
final class MP3FileFilter extends javax.swing.filechooser.FileFilter implements java.io.FileFilter
{
/**
* allows Directories
*/
private final boolean allowDirectories;
/**
* Create a default MP3FileFilter. The allowDirectories field will
* default to false.
*/
public MP3FileFilter()
{
this(false);
}
/**
* Create an MP3FileFilter. If allowDirectories is true, then this filter
* will accept directories as well as mp3 files. If it is false then
* only mp3 files will be accepted.
*
* @param allowDirectories whether or not to accept directories
*/
private MP3FileFilter(final boolean allowDirectories)
{
this.allowDirectories = allowDirectories;
}
/**
* Determines whether or not the file is an mp3 file. If the file is
* a directory, whether or not is accepted depends upon the
* allowDirectories flag passed to the constructor.
*
* @param file the file to test
* @return true if this file or directory should be accepted
*/
public final boolean accept(final File file)
{
return (((file.getName()).toLowerCase().endsWith(".mp3")) || (file.isDirectory() && (this.allowDirectories)));
}
/**
* Returns the Name of the Filter for use in the Chooser Dialog
*
* @return The Description of the Filter
*/
public final String getDescription()
{
return ".mp3 Files";
}
}
public final class DirFilter implements java.io.FileFilter
{
public DirFilter()
{
}
/**
* Determines whether or not the file is an mp3 file. If the file is
* a directory, whether or not is accepted depends upon the
* allowDirectories flag passed to the constructor.
*
* @param file the file to test
* @return true if this file or directory should be accepted
*/
public final boolean accept(final File file)
{
return file.isDirectory();
}
public static final String IDENT = "$Id: MergeID3AndMP3Files.java 836 2009-11-12 15:44:07Z paultaylor $";
}
public static File copyAudioToTmp(File toDir, File tagFile, File mp3File)
{
File outputFile = new File(toDir.getPath(), tagFile.getName());
boolean result = append(tagFile, mp3File, outputFile);
return outputFile;
}
private static boolean append(File fromFile1, File fromFile2, File toFile)
{
try
{
FileInputStream in = new FileInputStream(fromFile1);
FileInputStream in2 = new FileInputStream(fromFile2);
toFile.getParentFile().mkdirs();
FileOutputStream out = new FileOutputStream(toFile);
BufferedInputStream inBuffer = new BufferedInputStream(in);
BufferedInputStream inBuffer2 = new BufferedInputStream(in2);
BufferedOutputStream outBuffer = new BufferedOutputStream(out);
int theByte;
while ((theByte = inBuffer.read()) > -1)
{
outBuffer.write(theByte);
}
while ((theByte = inBuffer2.read()) > -1)
{
outBuffer.write(theByte);
}
outBuffer.close();
inBuffer.close();
inBuffer2.close();
out.close();
in.close();
in2.close();
// cleanupif files are not the same length
if ((fromFile1.length() + fromFile2.length()) != toFile.length())
{
toFile.delete();
return false;
}
return true;
}
catch (IOException e)
{
e.printStackTrace();
return false;
}
}
}
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