Filesystem1ToFilesystem2Adapter.java

/**
 *   FUSE-J: Java bindings for FUSE (Filesystem in Userspace by Miklos Szeredi (mszeredi@inf.bme.hu))
 *
 *   Copyright (C) 2003 Peter Levart (peter@select-tech.si)
 *
 *   This program can be distributed under the terms of the GNU LGPL.
 *   See the file COPYING.LIB
 */
package fuse.compat;

import fuse.compat.Filesystem1;
import fuse.FuseException;
import fuse.FuseStatfs;

import java.nio.ByteBuffer;

/**
 * This is an adapter that adapts the oldest path-only based compatibility filesystem API (fuse.compat.Filesystem1) to
 * the old filehandle enabled API (fuse.compat.Filesystem2)
 */
public class Filesystem1ToFilesystem2Adapter implements Filesystem2
{
   Filesystem1 fs1;

   public Filesystem1ToFilesystem2Adapter(Filesystem1 fs1)
   {
      this.fs1 = fs1;
   }

   //
   // Filesystem implementation

   public FuseStat getattr(String path) throws FuseException
   {
      return fs1.getattr(path);
   }

   public String readlink(String path) throws FuseException
   {
      return fs1.readlink(path);
   }

   public FuseDirEnt[] getdir(String path) throws FuseException
   {
      return fs1.getdir(path);
   }

   public void mknod(String path, int mode, int rdev) throws FuseException
   {
      fs1.mknod(path, mode, rdev);
   }

   public void mkdir(String path, int mode) throws FuseException
   {
      fs1.mkdir(path, mode);
   }

   public void unlink(String path) throws FuseException
   {
      fs1.unlink(path);
   }

   public void rmdir(String path) throws FuseException
   {
      fs1.rmdir(path);
   }

   public void symlink(String from, String to) throws FuseException
   {
      fs1.symlink(from, to);
   }

   public void rename(String from, String to) throws FuseException
   {
      fs1.rename(from, to);
   }

   public void link(String from, String to) throws FuseException
   {
      fs1.link(from, to);
   }

   public void chmod(String path, int mode) throws FuseException
   {
      fs1.chmod(path, mode);
   }

   public void chown(String path, int uid, int gid) throws FuseException
   {
      fs1.chown(path, uid, gid);
   }

   public void truncate(String path, long size) throws FuseException
   {
      fs1.truncate(path, size);
   }

   public void utime(String path, int atime, int mtime) throws FuseException
   {
      fs1.utime(path, atime, mtime);
   }

   public FuseStatfs statfs() throws FuseException
   {
      return fs1.statfs();
   }

   public long open(String path, int flags) throws FuseException
   {
      fs1.open(path, flags);

      // Filesystem1 doesn't support filehandles
      return 0;
   }

   public void read(String path, long fh, ByteBuffer buf, long offset) throws FuseException
   {
      fs1.read(path, buf, offset);
   }

   public void write(String path, long fh, boolean isWritepage, ByteBuffer buf, long offset) throws FuseException
   {
      fs1.write(path, buf, offset);
   }

   public void flush(String path, long fh) throws FuseException
   {
      // no flush operation in Filesystem1 - ignore
   }

   public void release(String path, long fh, int flags) throws FuseException
   {
      fs1.release(path, flags);
   }

   public void fsync(String path, long fh, boolean isDatasync) throws FuseException
   {
      // no fsync operation in Filesystem1 - ignore
   }
}