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
020 package org.crsh.vfs.spi;
021
022 import java.io.IOException;
023 import java.io.InputStream;
024 import java.net.URL;
025 import java.util.Iterator;
026
027 public 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 }