1 /* 2 * Copyright (c) 1999, 2018, 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 import java.io.File; 25 import java.io.FileInputStream; 26 import java.io.FileOutputStream; 27 import java.io.OutputStream; 28 29 import java.net.InetAddress; 30 import java.net.InetSocketAddress; 31 import java.net.JarURLConnection; 32 import java.net.URL; 33 34 import java.util.jar.JarEntry; 35 import java.util.jar.JarFile; 36 import java.util.jar.JarOutputStream; 37 38 import com.sun.net.httpserver.*; 39 40 41 public class DeleteTempJar 42 { 43 public static void realMain(String args[]) throws Exception 44 { 45 final File zf = File.createTempFile("deletetemp", ".jar"); 46 zf.deleteOnExit(); 47 try (FileOutputStream fos = new FileOutputStream(zf); 48 JarOutputStream jos = new JarOutputStream(fos)) 49 { 50 JarEntry je = new JarEntry("entry"); 51 jos.putNextEntry(je); 52 jos.write("hello, world".getBytes("ASCII")); 53 } 54 55 HttpServer server = HttpServer.create( 56 new InetSocketAddress((InetAddress) null, 0), 0); 57 HttpContext context = server.createContext("/", 58 new HttpHandler() { 59 public void handle(HttpExchange e) { 60 try (FileInputStream fis = new FileInputStream(zf)) { 61 e.sendResponseHeaders(200, zf.length()); 62 OutputStream os = e.getResponseBody(); 63 byte[] buf = new byte[1024]; 64 int count = 0; 65 while ((count = fis.read(buf)) != -1) { 66 os.write(buf, 0, count); 67 } 68 } catch (Exception ex) { 69 unexpected(ex); 70 } finally { 71 e.close(); 72 } 73 } 74 }); 75 server.start(); 76 77 URL url = new URL("jar:http://localhost:" 78 + new Integer(server.getAddress().getPort()).toString() 79 + "/deletetemp.jar!/"); 80 JarURLConnection c = (JarURLConnection)url.openConnection(); 81 JarFile f = c.getJarFile(); 82 check(f.getEntry("entry") != null); 83 System.out.println(f.getName()); 84 server.stop(0); 85 } 86 87 //--------------------- Infrastructure --------------------------- 88 static volatile int passed = 0, failed = 0; 89 static boolean pass() {passed++; return true;} 90 static boolean fail() {failed++; Thread.dumpStack(); return false;} 91 static boolean fail(String msg) {System.out.println(msg); return fail();} 92 static void unexpected(Throwable t) {failed++; t.printStackTrace();} 93 static boolean check(boolean cond) {if (cond) pass(); else fail(); return cond;} 94 static boolean equal(Object x, Object y) { 95 if (x == null ? y == null : x.equals(y)) return pass(); 96 else return fail(x + " not equal to " + y);} 97 public static void main(String[] args) throws Throwable { 98 try {realMain(args);} catch (Throwable t) {unexpected(t);} 99 if (failed > 0) throw new AssertionError("Some tests failed");} 100 }