sundar@1524: /*
sundar@1524:  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
sundar@1524:  *
sundar@1524:  * Redistribution and use in source and binary forms, with or without
sundar@1524:  * modification, are permitted provided that the following conditions
sundar@1524:  * are met:
sundar@1524:  *
sundar@1524:  *   - Redistributions of source code must retain the above copyright
sundar@1524:  *     notice, this list of conditions and the following disclaimer.
sundar@1524:  *
sundar@1524:  *   - Redistributions in binary form must reproduce the above copyright
sundar@1524:  *     notice, this list of conditions and the following disclaimer in the
sundar@1524:  *     documentation and/or other materials provided with the distribution.
sundar@1524:  *
sundar@1524:  *   - Neither the name of Oracle nor the names of its
sundar@1524:  *     contributors may be used to endorse or promote products derived
sundar@1524:  *     from this software without specific prior written permission.
sundar@1524:  *
sundar@1524:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
sundar@1524:  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
sundar@1524:  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
sundar@1524:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
sundar@1524:  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
sundar@1524:  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
sundar@1524:  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
sundar@1524:  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
sundar@1524:  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
sundar@1524:  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
sundar@1524:  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
sundar@1524:  */
sundar@1524: 
sundar@1524: // Print all symbolic links in user's home directory
sundar@1524: 
sundar@1524: // JavaImporter and "with" to simulate "import" statements in Java.
sundar@1524: // See https://wiki.openjdk.java.net/display/Nashorn/Nashorn+extensions
sundar@1524: 
sundar@1524: with (new JavaImporter(java.nio.file, java.lang)) {
sundar@1524: 
sundar@1524:   var userDir = System.getProperty("user.dir")
sundar@1524:   var home = FileSystems.default.getPath(userDir);
sundar@1524: 
sundar@1524:   // JS functions can be passed where Java lambdas are required.
sundar@1524:   // Also, using "Expression closure" extension here.
sundar@1524:   // See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Expression_Closures
sundar@1524: 
sundar@1524:   Files.walk(home).
sundar@1524:     filter(function(p) Files.isSymbolicLink(p)).
sundar@1524:     forEach(function(p)
sundar@1524:       print(p, '->', Files.readSymbolicLink(p)));
sundar@1524: }