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;
023
024public abstract class AbstractFSDriver<H> implements FSDriver<H> {
025
026  public H child(H handle, String name) throws IOException {
027    if (handle == null) {
028      throw new NullPointerException();
029    }
030    if (name == null) {
031      throw new NullPointerException();
032    }
033    for (H child : children(handle)) {
034      String childName = name(child);
035      if (childName.equals(name)) {
036        return child;
037      }
038    }
039    return null;
040  }
041}