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/othervm JarURLConnectionUseCaches 29 */ 30 31import java.io.*; 32import java.net.JarURLConnection; 33import java.net.URL; 34import java.util.jar.*; 35 36public 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} 64