--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/sample/nashorn/ziplist.js	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,80 @@
+/*
+ * 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();