Mercurial > jdk8-mips64-public > nashorn / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/samples/unzip.js	Wed May 20 14:16:19 2015 +0530
     1.3 @@ -0,0 +1,79 @@
     1.4 +/*
     1.5 + * Copyright (c) 2015, 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 +/*
    1.36 + * Simple unzip tool using #nashorn and #java
    1.37 + * zip fs file system interface.
    1.38 + */
    1.39 + 
    1.40 +if (arguments.length == 0) {
    1.41 +    print("Usage: jjs zipfs.js -- <.zip/.jar file> [out dir]");
    1.42 +    exit(1);
    1.43 +}
    1.44 + 
    1.45 +var File = Java.type("java.io.File");
    1.46 +// output directory where zip is extracted
    1.47 +var outDir = arguments[1];
    1.48 +if (!outDir) {
    1.49 +    outDir = ".";
    1.50 +} else {
    1.51 +    if (! new File(outDir).isDirectory()) {
    1.52 +        print(outDir + " directory does not exist!");
    1.53 +        exit(1);
    1.54 +    }
    1.55 +}
    1.56 + 
    1.57 +var Files = Java.type("java.nio.file.Files");
    1.58 +var FileSystems = Java.type("java.nio.file.FileSystems");
    1.59 +var Paths = Java.type("java.nio.file.Paths");
    1.60 + 
    1.61 +var zipfile = Paths.get(arguments[0])
    1.62 +var fs = FileSystems.newFileSystem(zipfile, null);
    1.63 +var root = fs.rootDirectories[0];
    1.64 + 
    1.65 +// walk root and handle each Path
    1.66 +Files.walk(root).forEach(
    1.67 +    function(p) {
    1.68 +        var outPath = outDir +
    1.69 +            p.toString().replace('/', File.separatorChar);
    1.70 +        print(outPath);
    1.71 +        if (Files.isDirectory(p)) {
    1.72 +            // create directories as needed
    1.73 +            new File(outPath).mkdirs();
    1.74 +        } else {
    1.75 +            // copy a 'file' resource
    1.76 +            Files.copy(p, new File(outPath).toPath());
    1.77 +        }
    1.78 +    }
    1.79 +);
    1.80 + 
    1.81 +// done
    1.82 +fs.close();