< prev index next >

src/jdk.zipfs/share/classes/jdk/nio/zipfs/ZipInfo.java

Print this page
rev 53034 : 8215472: Cleanups in implementation classes of jdk.zipfs and tests
   1 /*
   2  * Copyright (c) 2009, 2014, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package jdk.nio.zipfs;
  27 





  28 import java.nio.file.Paths;
  29 import java.util.Collections;
  30 import java.util.Map;
  31 import static jdk.nio.zipfs.ZipConstants.*;
  32 import static jdk.nio.zipfs.ZipUtils.*;
  33 
  34 /**
  35  * Print all loc and cen headers of the ZIP file
  36  *
  37  * @author  Xueming Shen
  38  */
  39 
  40 public class ZipInfo {
  41 
  42     public static void main(String[] args) throws Throwable {
  43         if (args.length < 1) {
  44             print("Usage: java ZipInfo zfname");
  45         } else {
  46             Map<String, ?> env = Collections.emptyMap();
  47             ZipFileSystem zfs = (ZipFileSystem)(new ZipFileSystemProvider()
  48                                     .newFileSystem(Paths.get(args[0]), env));
  49             byte[] cen = zfs.cen;
  50             if (cen == null) {
  51                 print("zip file is empty%n");
  52                 return;
  53             }
  54             int    pos = 0;
  55             byte[] buf = new byte[1024];
  56             int    no = 1;
  57             while (pos + CENHDR < cen.length) {
  58                 print("----------------#%d--------------------%n", no++);
  59                 printCEN(cen, pos);


   1 /*
   2  * Copyright (c) 2009, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package jdk.nio.zipfs;
  27 
  28 import static jdk.nio.zipfs.ZipConstants.*;
  29 import static jdk.nio.zipfs.ZipUtils.dosToJavaTime;
  30 import static jdk.nio.zipfs.ZipUtils.unixToJavaTime;
  31 import static jdk.nio.zipfs.ZipUtils.winToJavaTime;
  32 
  33 import java.nio.file.Paths;
  34 import java.util.Collections;
  35 import java.util.Map;


  36 
  37 /**
  38  * Print all loc and cen headers of the ZIP file
  39  *
  40  * @author Xueming Shen
  41  */

  42 public class ZipInfo {
  43 
  44     public static void main(String[] args) throws Throwable {
  45         if (args.length < 1) {
  46             print("Usage: java ZipInfo zfname");
  47         } else {
  48             Map<String, ?> env = Collections.emptyMap();
  49             ZipFileSystem zfs = (ZipFileSystem)(new ZipFileSystemProvider()
  50                                     .newFileSystem(Paths.get(args[0]), env));
  51             byte[] cen = zfs.cen;
  52             if (cen == null) {
  53                 print("zip file is empty%n");
  54                 return;
  55             }
  56             int    pos = 0;
  57             byte[] buf = new byte[1024];
  58             int    no = 1;
  59             while (pos + CENHDR < cen.length) {
  60                 print("----------------#%d--------------------%n", no++);
  61                 printCEN(cen, pos);


< prev index next >