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();