nashorn/samples/for_each.js
author lana
Thu, 21 May 2015 16:20:20 -0700
changeset 30692 1286226d1236
parent 26067 b32ccc3a76c9
permissions -rw-r--r--
Merge
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
24283
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
     1
/*
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
     2
 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
26067
b32ccc3a76c9 8055199: Tidy up Nashorn codebase for code standards (August 2014)
attila
parents: 24283
diff changeset
     3
 *
24283
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
     4
 * Redistribution and use in source and binary forms, with or without
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
     5
 * modification, are permitted provided that the following conditions
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
     6
 * are met:
26067
b32ccc3a76c9 8055199: Tidy up Nashorn codebase for code standards (August 2014)
attila
parents: 24283
diff changeset
     7
 *
24283
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
     8
 *   - Redistributions of source code must retain the above copyright
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
     9
 *     notice, this list of conditions and the following disclaimer.
26067
b32ccc3a76c9 8055199: Tidy up Nashorn codebase for code standards (August 2014)
attila
parents: 24283
diff changeset
    10
 *
24283
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    11
 *   - Redistributions in binary form must reproduce the above copyright
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    12
 *     notice, this list of conditions and the following disclaimer in the
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    13
 *     documentation and/or other materials provided with the distribution.
26067
b32ccc3a76c9 8055199: Tidy up Nashorn codebase for code standards (August 2014)
attila
parents: 24283
diff changeset
    14
 *
24283
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    15
 *   - Neither the name of Oracle nor the names of its
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    16
 *     contributors may be used to endorse or promote products derived
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    17
 *     from this software without specific prior written permission.
26067
b32ccc3a76c9 8055199: Tidy up Nashorn codebase for code standards (August 2014)
attila
parents: 24283
diff changeset
    18
 *
24283
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    19
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    20
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    21
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    22
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    23
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    24
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    25
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    26
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    27
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    28
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    29
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    30
 */
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    31
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    32
// nashorn supports for..each extension supported
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    33
// by Mozilla. See also
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    34
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/for_each...in
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    35
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    36
var strs = [ "hello", "world" ];
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    37
for each (str in strs)
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    38
    print(str);
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    39
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    40
// create a java int[] object
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    41
var JArray = Java.type("int[]");
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    42
var arr = new JArray(10);
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    43
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    44
// store squares as values
26067
b32ccc3a76c9 8055199: Tidy up Nashorn codebase for code standards (August 2014)
attila
parents: 24283
diff changeset
    45
for (i in arr)
24283
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    46
    arr[i] = i*i;
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    47
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    48
// for .. each on java arrays
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    49
print("squares");
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    50
for each (i in arr)
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    51
    print(i);
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    52
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    53
var System = Java.type("java.lang.System");
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    54
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    55
// for..each on java Iterables
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    56
// print System properties as name = value pairs
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    57
print("System properties");
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    58
for each (p in System.properties.entrySet()) {
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    59
    print(p.key, "=", p.value);
26067
b32ccc3a76c9 8055199: Tidy up Nashorn codebase for code standards (August 2014)
attila
parents: 24283
diff changeset
    60
}
24283
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    61
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    62
// print process environment vars as name = value pairs
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    63
print("Process environment");
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    64
for each (e in System.env.entrySet()) {
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    65
    print(e.key, "=", e.value);
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    66
}