1 /*

     2  * Copyright (c) 2015, 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 /*

    33  * Simple unzip tool using #nashorn and #java

    34  * zip fs file system interface.

    35  */

    36  

    37 if (arguments.length == 0) {

    38     print("Usage: jjs zipfs.js -- <.zip/.jar file> [out dir]");

    39     exit(1);

    40 }

    41  

    42 var File = Java.type("java.io.File");

    43 // output directory where zip is extracted

    44 var outDir = arguments[1];

    45 if (!outDir) {

    46     outDir = ".";

    47 } else {

    48     if (! new File(outDir).isDirectory()) {

    49         print(outDir + " directory does not exist!");

    50         exit(1);

    51     }

    52 }

    53  

    54 var Files = Java.type("java.nio.file.Files");

    55 var FileSystems = Java.type("java.nio.file.FileSystems");

    56 var Paths = Java.type("java.nio.file.Paths");

    57  

    58 var zipfile = Paths.get(arguments[0])

    59 var fs = FileSystems.newFileSystem(zipfile, null);

    60 var root = fs.rootDirectories[0];

    61  

    62 // walk root and handle each Path

    63 Files.walk(root).forEach(

    64     function(p) {

    65         var outPath = outDir +

    66             p.toString().replace('/', File.separatorChar);

    67         print(outPath);

    68         if (Files.isDirectory(p)) {

    69             // create directories as needed

    70             new File(outPath).mkdirs();

    71         } else {

    72             // copy a 'file' resource

    73             Files.copy(p, new File(outPath).toPath());

    74         }

    75     }

    76 );

    77  

    78 // done

    79 fs.close();