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 */
019package org.crsh.vfs.spi.url;
020
021import org.crsh.vfs.Path;
022import org.crsh.vfs.spi.FSMountFactory;
023import org.crsh.vfs.spi.Mount;
024
025import java.io.IOException;
026import java.net.URISyntaxException;
027import java.net.URL;
028import java.util.Enumeration;
029
030/**
031 * @author Julien Viet
032 */
033public class ClassPathMountFactory implements FSMountFactory<Node> {
034
035  /** . */
036  private final ClassLoader loader;
037
038  public ClassPathMountFactory(ClassLoader loader) {
039    this.loader = loader;
040  }
041
042  @Override
043  public Mount<Node> create(Path path) throws IOException {
044    if (path == null) {
045      throw new NullPointerException();
046    }
047    URLDriver driver = new URLDriver();
048    // Add the resources
049    Enumeration<URL> en = loader.getResources(path.getValue().substring(1));
050    while (en.hasMoreElements()) {
051      URL url = en.nextElement();
052      try {
053        driver.merge(url);
054      }
055      catch (URISyntaxException e) {
056        throw new IOException(e);
057      }
058    }
059    return new Mount<Node>(driver, "classpath:" + path.absolute().getValue());
060  }
061}