nashorn/samples/unzip.js
author ctornqvi
Fri, 19 Aug 2016 10:06:30 -0400
changeset 40631 ed82623d7831
parent 30701 1a25e71187ff
permissions -rw-r--r--
8157957: ClassNotFoundException: jdk.test.lib.JDKToolFinder Reviewed-by: coleenp, gtriantafill, mseledtsov, iignatyev, dholmes, dsamersoff
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/*
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 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 *   - Redistributions of source code must retain the above copyright
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 *     notice, this list of conditions and the following disclaimer.
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 *
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 *   - Redistributions in binary form must reproduce the above copyright
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 *     notice, this list of conditions and the following disclaimer in the
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 *     documentation and/or other materials provided with the distribution.
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 *
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 *   - Neither the name of Oracle nor the names of its
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 *     contributors may be used to endorse or promote products derived
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 *     from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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/*
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 * Simple unzip tool using #nashorn and #java
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 * zip fs file system interface.
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 */
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if (arguments.length == 0) {
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    print("Usage: jjs zipfs.js -- <.zip/.jar file> [out dir]");
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    exit(1);
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}
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var File = Java.type("java.io.File");
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// output directory where zip is extracted
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var outDir = arguments[1];
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if (!outDir) {
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    outDir = ".";
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} else {
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    if (! new File(outDir).isDirectory()) {
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        print(outDir + " directory does not exist!");
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        exit(1);
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    }
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}
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var Files = Java.type("java.nio.file.Files");
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var FileSystems = Java.type("java.nio.file.FileSystems");
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var Paths = Java.type("java.nio.file.Paths");
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var zipfile = Paths.get(arguments[0])
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var fs = FileSystems.newFileSystem(zipfile, null);
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var root = fs.rootDirectories[0];
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// walk root and handle each Path
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Files.walk(root).forEach(
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    function(p) {
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        var outPath = outDir +
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            p.toString().replace('/', File.separatorChar);
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        print(outPath);
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        if (Files.isDirectory(p)) {
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            // create directories as needed
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            new File(outPath).mkdirs();
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        } else {
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            // copy a 'file' resource
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            Files.copy(p, new File(outPath).toPath());
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        }
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    }
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);
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// done
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fs.close();