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 }