VideoDeviceFilenameFilter.java

package com.github.sarxos.webcam.ds.ffmpegcli.impl;

import java.io.File;
import java.io.FilenameFilter;


public class VideoDeviceFilenameFilter implements FilenameFilter {

	private static final File DEV = new File("/dev");

	@Override
	public boolean accept(File dir, String name) {
		return dir.getName().equals("dev") && name.startsWith("video") && Character.isDigit(name.charAt(5));
	}

	public File[] getVideoFiles() {

		String[] names = DEV.list(this);
		File[] files = new File[names.length];

		for (int i = 0; i < names.length; i++) {
			files[i] = new File(DEV, names[i]);
		}

		return files;
	}
}