| /* JarURLResource.java -- a Resource for jar URLs |
| Copyright (C) 2006 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package gnu.java.net.loader; |
| |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.security.cert.Certificate; |
| import java.util.jar.JarEntry; |
| |
| public final class JarURLResource extends Resource |
| { |
| private final JarEntry entry; |
| private final String name; |
| |
| public JarURLResource(JarURLLoader loader, String name, JarEntry entry) |
| { |
| super(loader); |
| this.entry = entry; |
| this.name = name; |
| } |
| |
| public InputStream getInputStream() throws IOException |
| { |
| return ((JarURLLoader) loader).jarfile.getInputStream(entry); |
| } |
| |
| public int getLength() |
| { |
| return (int) entry.getSize(); |
| } |
| |
| public Certificate[] getCertificates() |
| { |
| // We have to get the entry from the jar file again, because the |
| // certificates will not be available until the entire entry has |
| // been read. |
| return ((JarEntry) ((JarURLLoader) loader).jarfile.getEntry(name)) |
| .getCertificates(); |
| } |
| |
| public URL getURL() |
| { |
| try |
| { |
| return new URL(((JarURLLoader) loader).baseJarURL, name, |
| loader.cache.get(loader.factory, "jar")); |
| } |
| catch (MalformedURLException e) |
| { |
| InternalError ie = new InternalError(); |
| ie.initCause(e); |
| throw ie; |
| } |
| } |
| } |