How to use

doIsWriteable

method

in

org.apache.commons.vfs2.provider.sftp.SftpFileObject

@Override
protected boolean doIsWriteable() throws Exception {
 SftpFileSystemWindows fileSystem = (SftpFileSystemWindows) getAbstractFileSystem();
 if ( !fileSystem.isRemoteHostWindows() ) {
  return super.doIsWriteable();
 } else {
  List<String> userGroups = fileSystem.getUserGroups();
  Map<String, String> filePermissions = fileSystem.getFilePermission( this.path );
  for ( String group : userGroups ) {
   String acl = filePermissions.get( group );
   if ( acl != null ) {
    return acl.contains( FULL_ACCESS ) || acl.contains( MODIFY_ACCESS )
        || acl.contains( WRITE_ACCESS ) || acl.contains( WRITE_DATA_ADD_FILES_ACCESS );
   }
  }
  return false;
 }
}