samples/ziplist.js

changeset 963
e2497b11a021
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/samples/ziplist.js	Wed Aug 20 10:26:01 2014 +0200
     1.3 @@ -0,0 +1,80 @@
     1.4 +/*
     1.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
     1.6 + *
     1.7 + * Redistribution and use in source and binary forms, with or without
     1.8 + * modification, are permitted provided that the following conditions
     1.9 + * are met:
    1.10 + *
    1.11 + *   - Redistributions of source code must retain the above copyright
    1.12 + *     notice, this list of conditions and the following disclaimer.
    1.13 + *
    1.14 + *   - Redistributions in binary form must reproduce the above copyright
    1.15 + *     notice, this list of conditions and the following disclaimer in the
    1.16 + *     documentation and/or other materials provided with the distribution.
    1.17 + *
    1.18 + *   - Neither the name of Oracle nor the names of its
    1.19 + *     contributors may be used to endorse or promote products derived
    1.20 + *     from this software without specific prior written permission.
    1.21 + *
    1.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
    1.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
    1.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
    1.25 + * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
    1.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
    1.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
    1.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
    1.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
    1.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
    1.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
    1.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    1.33 + */
    1.34 +
    1.35 +if (arguments.length == 0) {
    1.36 +    print("Usage: jjs ziplist -- <zip-file>");
    1.37 +    exit(1);
    1.38 +}
    1.39 +
    1.40 +// list the content details of a .zip or .jar file
    1.41 +var file = arguments[0];
    1.42 +
    1.43 +// java classes used
    1.44 +var Attributes = Java.type("java.util.jar.Attributes");
    1.45 +var FileTime = Java.type("java.nio.file.attribute.FileTime");
    1.46 +var JarFile = Java.type("java.util.jar.JarFile");
    1.47 +var ZipEntry = Java.type("java.util.zip.ZipEntry");
    1.48 +var ZipFile = Java.type("java.util.zip.ZipFile");
    1.49 +
    1.50 +var zf = file.endsWith(".jar")? new JarFile(file) : new ZipFile(file);
    1.51 +
    1.52 +var entries = zf.entries();
    1.53 +// make overall output a valid JSON
    1.54 +var zfObj = {
    1.55 +    name: zf.name,
    1.56 +    comment: zf.comment,
    1.57 +    size: zf.size(),
    1.58 +    entries: []
    1.59 +};
    1.60 +
    1.61 +while (entries.hasMoreElements()) {
    1.62 +    zfObj.entries.push(entries.nextElement());
    1.63 +}
    1.64 +
    1.65 +print(JSON.stringify(zfObj, function (key, value) {
    1.66 +   if (value instanceof ZipEntry) {
    1.67 +       return Object.bindProperties({}, value);
    1.68 +   } else if (value instanceof FileTime) {
    1.69 +       return value.toString();
    1.70 +   } else if (value instanceof Attributes) {
    1.71 +       var attrs = {};
    1.72 +       var itr = value.entrySet().iterator();
    1.73 +       while (itr.hasNext()) {
    1.74 +           var n = itr.next();
    1.75 +           attrs[n.key] = String(n.value);
    1.76 +       }
    1.77 +       return attrs;
    1.78 +   }
    1.79 +
    1.80 +   return value;
    1.81 +}, ' '));
    1.82 +
    1.83 +zf.close();

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