1 /*
   2  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  *
   8  *   - Redistributions of source code must retain the above copyright
   9  *     notice, this list of conditions and the following disclaimer.
  10  *
  11  *   - Redistributions in binary form must reproduce the above copyright
  12  *     notice, this list of conditions and the following disclaimer in the
  13  *     documentation and/or other materials provided with the distribution.
  14  *
  15  *   - Neither the name of Oracle nor the names of its
  16  *     contributors may be used to endorse or promote products derived
  17  *     from this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  20  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  21  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  23  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  24  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  25  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  26  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  27  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  28  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  29  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31 
  32 if (arguments.length == 0) {
  33     print("Usage: jjs ziplist -- <zip-file>");
  34     exit(1);
  35 }
  36 
  37 // list the content details of a .zip or .jar file
  38 var file = arguments[0];
  39 
  40 // java classes used
  41 var Attributes = Java.type("java.util.jar.Attributes");
  42 var FileTime = Java.type("java.nio.file.attribute.FileTime");
  43 var JarFile = Java.type("java.util.jar.JarFile");
  44 var ZipEntry = Java.type("java.util.zip.ZipEntry");
  45 var ZipFile = Java.type("java.util.zip.ZipFile");
  46 
  47 var zf = file.endsWith(".jar")? new JarFile(file) : new ZipFile(file);
  48 
  49 var entries = zf.entries();
  50 // make overall output a valid JSON
  51 var zfObj = {
  52     name: zf.name,
  53     comment: zf.comment,
  54     size: zf.size(),
  55     entries: []
  56 };
  57 
  58 while (entries.hasMoreElements()) {
  59     zfObj.entries.push(entries.nextElement());
  60 }
  61 
  62 print(JSON.stringify(zfObj, function (key, value) {
  63    if (value instanceof ZipEntry) {
  64        return Object.bindProperties({}, value);
  65    } else if (value instanceof FileTime) {
  66        return value.toString();
  67    } else if (value instanceof Attributes) {
  68        var attrs = {};
  69        var itr = value.entrySet().iterator();
  70        while (itr.hasNext()) {
  71            var n = itr.next();
  72            attrs[n.key] = String(n.value);
  73        }
  74        return attrs;
  75    }
  76 
  77    return value;
  78 }, ' '));
  79 
  80 zf.close();