001/* 002 * Copyright (C) 2012 eXo Platform SAS. 003 * 004 * This is free software; you can redistribute it and/or modify it 005 * under the terms of the GNU Lesser General Public License as 006 * published by the Free Software Foundation; either version 2.1 of 007 * the License, or (at your option) any later version. 008 * 009 * This software is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * You should have received a copy of the GNU Lesser General Public 015 * License along with this software; if not, write to the Free 016 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 017 * 02110-1301 USA, or see the FSF site: http://www.fsf.org. 018 */ 019 020package org.crsh.vfs.spi; 021 022import java.io.IOException; 023import java.io.InputStream; 024import java.net.URL; 025import java.util.Iterator; 026 027public interface FSDriver<H> { 028 029 /** 030 * Returns the root handle. 031 * 032 * @return the root handle 033 * @throws IOException any io exception 034 */ 035 H root() throws IOException; 036 037 String name(H handle) throws IOException; 038 039 boolean isDir(H handle) throws IOException; 040 041 H child(H handle, String name) throws IOException; 042 043 Iterable<H> children(H handle) throws IOException; 044 045 long getLastModified(H handle) throws IOException; 046 047 Iterator<InputStream> open(H handle) throws IOException; 048 049}