_content = _resourceImpl.getContent(); _isAvailable = _content != null;
_isAvailable = _resourceImpl.exists();
    public VfsResource(String vfsURI, FileSystemManager fsManager) throws IOException {    	_isAvailable = false;    	_resourceImpl = null;    	 		try {			_resourceImpl = fsManager.resolveFile(vfsURI); 		} catch (FileSystemException e) { 			Message.verbose(e.getLocalizedMessage()); 			throw new IOException(e.getLocalizedMessage());		} 		try { 			_content = _resourceImpl.getContent();			_isAvailable = _content != null; 		} catch (FileSystemException e) { 			Message.verbose(e.getLocalizedMessage());		}    }