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.ram;
021
022 import org.crsh.vfs.Path;
023
024 import java.io.IOException;
025 import java.net.URL;
026 import java.net.URLConnection;
027 import java.net.URLStreamHandler;
028
029 public class RAMURLStreamHandler extends URLStreamHandler {
030
031 /** . */
032 private final RAMDriver driver;
033
034 public RAMURLStreamHandler(RAMDriver driver) {
035 this.driver = driver;
036 }
037
038 @Override
039 protected URLConnection openConnection(URL u) throws IOException {
040 Path path = Path.get(u.getFile());
041 if (path.isDir()) {
042 throw new IOException("Cannot open dir");
043 }
044 String file = driver.entries.get(path);
045 if (file == null) {
046 throw new IOException("Cannot open non existing dir " + path);
047 }
048 return new RAMURLConnection(u, file);
049 }
050 }