Main.java

package co.paralleluniverse.javafs;

import com.google.common.jimfs.Jimfs;

import java.nio.file.FileSystem;
import java.nio.file.Paths;
import java.util.HashMap;
import java.util.Map;

public class Main {
    public static void main(final String... args) throws Exception {
        try {
            if (args.length < 1 || args.length > 3)
                throw new IllegalArgumentException();

            int i = 0;
            boolean readonly = false;
            if ("-r".equals(args[i])) {
                readonly = true;
                i++;
            }
            final String mountPoint = args[i++];
            final FileSystem fs = i >= args.length ? Jimfs.newFileSystem() : ZipFS.newZipFileSystem(Paths.get(args[i++]));
            
            System.out.println("========================");
            System.out.println("Mounting filesystem " + fs + " at " + mountPoint + (readonly ? " READONLY" : ""));
            System.out.println("========================");
            
            Map<String, String> options = new HashMap<>();
            options.put("fsname", fs.getClass().getSimpleName() + "@" + System.currentTimeMillis());
            
            JavaFS.mount(fs, Paths.get(mountPoint), readonly, true, options);
            Thread.sleep(Long.MAX_VALUE);
        } catch (IllegalArgumentException e) {
            System.err.println("Usage: JavaFS [-r] <mountpoint> [<zipfile>]");
            System.exit(1);
        }
    }
}