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    
026    public interface FSDriver<H> {
027    
028      /**
029       * Returns the root handle.
030       *
031       * @return the root handle
032       * @throws IOException any io exception
033       */
034      H root() throws IOException;
035    
036      String name(H handle) throws IOException;
037    
038      boolean isDir(H handle) throws IOException;
039    
040      H child(H handle, String name) throws IOException;
041    
042      Iterable<H> children(H handle) throws IOException;
043    
044      long getLastModified(H handle) throws IOException;
045    
046      InputStream open(H handle) throws IOException;
047    
048    }