PathUtils.java

package sample;

import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import java.util.regex.Pattern;

public class PathUtils {
    public static boolean exists(String path) {
        File file = new File(path);
        return file.exists();
    }

    public static String path(String... paths) {
        StringBuilder sb = new StringBuilder();
        for (String path: paths) {
            path = path.replace('\\', '/'); // convert to UNIX path
            if (sb.length() > 0 && sb.charAt(sb.length()-1) != '/') {
                sb.append("/");
            }
            sb.append(path);
        }

        return sb.toString();
    }

    public static String path(File file) {
        return path(file.getPath().toString());
    }

    public static String basename(String path) {
        return new File(path).getName();
    }

    public static String dirname(String path) {
        return path(new File(path).getParent());
    }

    public static void removeFile(String path) {
        File file = new File(path);
        file.delete();
    }

    public static void touchFile(String path) throws IOException {
        File file = new File(path);
        file.createNewFile();
    }

    public static String getTmpdir() {
        return path(System.getProperty("java.io.tmpdir"));
    }

    public static String getCurrentDirectory() {
        return path(System.getProperty("user.dir"));
//        return path(new File(".").getAbsoluteFile().getParent());
    }
}