1 /*
   2  * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 6947916
  27  * @summary  JarURLConnection does not handle useCaches correctly
  28  * @run main JarURLConnectionUseCaches
  29  */
  30 
  31 import java.io.*;
  32 import java.net.JarURLConnection;
  33 import java.net.URL;
  34 import java.util.jar.*;
  35 
  36 public class JarURLConnectionUseCaches {
  37     public static void main( String[] args ) throws IOException {
  38         JarOutputStream out = new JarOutputStream(
  39                 new FileOutputStream("usecache.jar"));
  40         out.putNextEntry(new JarEntry("test.txt"));
  41         out.write("Test txt file".getBytes());
  42         out.closeEntry();
  43         out.close();
  44 
  45         URL url = new URL("jar:"
  46             + new File(".").toURI().toString()
  47             + "/usecache.jar!/test.txt");
  48 
  49         JarURLConnection c1 = (JarURLConnection)url.openConnection();
  50         c1.setDefaultUseCaches( false );
  51         c1.setUseCaches( true );
  52         c1.connect();
  53 
  54         JarURLConnection c2 = (JarURLConnection)url.openConnection();
  55         c2.setDefaultUseCaches( false );
  56         c2.setUseCaches( true );
  57         c2.connect();
  58 
  59         c1.getInputStream().close();
  60         c2.getInputStream().read();
  61         c2.getInputStream().close();
  62     }
  63 }