RARInputStream?

[RassaH]

Hi

I need to create a RARInputStream, from a rar file, but i havnt really had any luck finding something that did the trick, does some of you know any librarys that could be usefull to me? Or if not, how could i make it myself?

I suppose i could translate a c++ rar library file to java, and extending DataInputStream or something, but i dont really know, would be nice with some advice

[RassaH]

ok, i found something called JunRar which seems to be quite useful, although there is little documentary available, so its not very easy to implement. I have come to a solution like this:

	private void playRARStream()
	{
		try
		{
			byte[] readData = new byte[1024];
			ReadOnlyAccessFile roaf = new ReadOnlyAccessFile(new File(CoverView.selectedMovieDir + CoverView.selectedMovie));
			long start = 0;
			long end = 150000000;
			
			BufferedInputStream bis = new BufferedInputStream(new ReadOnlyAccessInputStream(roaf, start, end));
			FileOutputStream fos = new FileOutputStream(CoverView.selectedMovieDir + "fos");
			int i = bis.read(readData);
			
			System.out.println(CoverView.selectedMovieDir + CoverView.selectedMovie);
			Process process = Runtime.getRuntime().exec(new String[] { MovieDBOptions.playMovieCmd, "fos" }, null, new File(CoverView.selectedMovieDir));
			
			while(i != -1)
			{
				try
				{
					if(process.exitValue() == 0)
					{
						break;
					}
				}
				catch(Exception e)
				{}
				
				fos.write(readData, 0, i);
				i = bis.read(readData);
			}
			
			bis.close();
			fos.close();
			
			try
			{
				if(process.exitValue() == 0)
				{
					(new File(CoverView.selectedMovieDir + "fos")).delete();
				}
			}
			catch(Exception e)
			{}
		}
		catch(Exception e)
		{
			System.err.println("Unable to play `" + CoverView.selectedMovie + "` with command `" + MovieDBOptions.playMovieCmd + "`");
			System.err.println(e);
		}
	}

NOTE: Its mainly this part which is interesting:

BufferedInputStream bis = new BufferedInputStream(new ReadOnlyAccessInputStream(roaf, start, end));
			FileOutputStream fos = new FileOutputStream(CoverView.selectedMovieDir + "fos");
			int i = bis.read(readData);

but my stream doesnt work, as in if i play the `fos` file in vlc i just get an error saying it cannot determine the format, however it works for GZIP archives, with just some minor changes:

	private void playGZStream()
	{
		try
		{
			byte[] readData = new byte[1024];
			BufferedInputStream bis = new BufferedInputStream(new GZIPInputStream(new FileInputStream(CoverView.selectedMovieDir + CoverView.selectedMovie)));
			FileOutputStream fos = new FileOutputStream(CoverView.selectedMovieDir + "fos");
			int i = bis.read(readData);
			
			System.out.println(CoverView.selectedMovieDir + CoverView.selectedMovie);
			Process process = Runtime.getRuntime().exec(new String[] { MovieDBOptions.playMovieCmd, "fos" }, null, new File(CoverView.selectedMovieDir));
			
			while(i != -1)
			{
				try
				{
					if(process.exitValue() == 0)
					{
						break;
					}
				}
				catch(Exception e)
				{}
				
				fos.write(readData, 0, i);
				i = bis.read(readData);
			}
			
			bis.close();
			fos.close();
			
			try
			{
				if(process.exitValue() == 0)
				{
					(new File(CoverView.selectedMovieDir + "fos")).delete();
				}
			}
			catch(Exception e)
			{}
		}
		catch(Exception e)
		{
			System.err.println("Unable to play `" + CoverView.selectedMovie + "` with command `" + MovieDBOptions.playMovieCmd + "`");
			System.err.println(e);
		}
	}

Anyone who can point me in the right direction?