/*

 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 *

 *   - Redistributions of source code must retain the above copyright

 *     notice, this list of conditions and the following disclaimer.

 *

 *   - Redistributions in binary form must reproduce the above copyright

 *     notice, this list of conditions and the following disclaimer in the

 *     documentation and/or other materials provided with the distribution.

 *

 *   - Neither the name of Oracle nor the names of its

 *     contributors may be used to endorse or promote products derived

 *     from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS

 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,

 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR

 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

if (arguments.length == 0) {

    print("Usage: jjs ziplist -- <zip-file>");

    exit(1);

}

// list the content details of a .zip or .jar file

var file = arguments[0];

// java classes used

var Attributes = Java.type("java.util.jar.Attributes");

var FileTime = Java.type("java.nio.file.attribute.FileTime");

var JarFile = Java.type("java.util.jar.JarFile");

var ZipEntry = Java.type("java.util.zip.ZipEntry");

var ZipFile = Java.type("java.util.zip.ZipFile");

var zf = file.endsWith(".jar")? new JarFile(file) : new ZipFile(file);

var entries = zf.entries();

// make overall output a valid JSON

var zfObj = {

    name: zf.name,

    comment: zf.comment,

    size: zf.size(),

    entries: []

};

while (entries.hasMoreElements()) {

    zfObj.entries.push(entries.nextElement());

}

print(JSON.stringify(zfObj, function (key, value) {

   if (value instanceof ZipEntry) {

       return Object.bindProperties({}, value);

   } else if (value instanceof FileTime) {

       return value.toString();

   } else if (value instanceof Attributes) {

       var attrs = {};

       var itr = value.entrySet().iterator();

       while (itr.hasNext()) {

           var n = itr.next();

           attrs[n.key] = String(n.value);

       }

       return attrs;

   }

   return value;

}, ' '));

zf.close();