001 /* 002 * Copyright (C) 2010 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.jarurl; 021 022 import org.crsh.vfs.Path; 023 024 import java.net.MalformedURLException; 025 import java.net.URL; 026 import java.util.HashMap; 027 import java.util.Map; 028 import java.util.jar.JarEntry; 029 030 /** 031 * @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a> 032 * @version $Revision$ 033 */ 034 public class Handle { 035 036 /** . */ 037 private final JarURLDriver driver; 038 039 /** . */ 040 final Path path; 041 042 /** . */ 043 Map<String, Handle> children; 044 045 /** . */ 046 JarEntry entry; 047 048 Handle(JarURLDriver driver, String path) { 049 this.driver = driver; 050 this.path = Path.get("/" + path); 051 this.children = new HashMap<String, Handle>(); 052 } 053 054 public boolean isDir() { 055 return entry == null || entry.isDirectory(); 056 } 057 058 public URL toURL() throws IllegalArgumentException, IllegalStateException, MalformedURLException { 059 if (isDir()) { 060 throw new IllegalStateException("Cannot create dir URL"); 061 } 062 String file = driver.jarURL.toString() + "!/" + entry.getName(); 063 return new URL("jar", "", file); 064 } 065 }