1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/samples/call_bind_java.js Fri Sep 04 17:17:44 2015 +0530
1.3 @@ -0,0 +1,59 @@
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 +// Sample demonstrating calling Java methods like normal
1.36 +// functions. Bound instance methods, static methods can be
1.37 +// called like normal script functions.
1.38 +
1.39 +// Java types used
1.40 +var Files = Java.type("java.nio.file.Files");
1.41 +var FileSystems = Java.type("java.nio.file.FileSystems");
1.42 +var System = Java.type("java.lang.System");
1.43 +
1.44 +var fs = FileSystems.default;
1.45 +var bind = Function.prototype.bind;
1.46 +
1.47 +// Java methods as "functions"
1.48 +
1.49 +// Java method with bound "this"
1.50 +var Path = bind.call(fs.getPath, fs);
1.51 +// Java static method
1.52 +var Property = System.getProperty;
1.53 +
1.54 +// call Java static methods and bound instance methods
1.55 +// like normal script functions.
1.56 +
1.57 +var root = Path("/");
1.58 +// print URI for root dir
1.59 +print(root.toUri());
1.60 +var home = Path(Property("user.home"));
1.61 +// list home directory
1.62 +Files.walk(home).forEach(print);
