1 /* 2 * Copyright (c) 2005, 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 6285124 27 * @summary Small compressed zip entries should be read in one read() operation 28 * @author Martin Buchholz 29 */ 30 31 import java.io.*; 32 import java.util.zip.*; 33 34 public class ShortRead { 35 36 public static void main(String[] args) throws Exception { 37 final File zFile = new File("abc.zip"); 38 try { 39 final String entryName = "abc"; 40 final String data = "Data disponible"; 41 try (FileOutputStream fos = new FileOutputStream(zFile); 42 ZipOutputStream zos = new ZipOutputStream(fos)) 43 { 44 zos.putNextEntry(new ZipEntry(entryName)); 45 zos.write(data.getBytes("ASCII")); 46 zos.closeEntry(); 47 } 48 49 try (ZipFile zipFile = new ZipFile(zFile)) { 50 final ZipEntry zentry = zipFile.getEntry(entryName); 51 final InputStream inputStream = zipFile.getInputStream(zentry); 52 System.out.printf("size=%d csize=%d available=%d%n", 53 zentry.getSize(), 54 zentry.getCompressedSize(), 55 inputStream.available()); 56 byte[] buf = new byte[data.length()]; 57 final int count = inputStream.read(buf); 58 if (! new String(buf, "ASCII").equals(data) || 59 count != data.length()) 60 throw new Exception("short read?"); 61 } 62 } finally { 63 zFile.delete(); 64 } 65 } 66 }