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
024 public 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 }