nashorn/samples/javamap.js
author joehw
Wed, 17 Feb 2016 16:32:51 -0800
changeset 36029 a847c5a7e22d
parent 26067 b32ccc3a76c9
permissions -rw-r--r--
8146237: PREFER from Features API taking precedence over catalog file Reviewed-by: lancea
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
// Java Map keys as properties
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    33
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    34
// Demonstrating Java Map key/value can be accessed
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    35
// as property/value from script.
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    36
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    37
var HashMap = Java.type("java.util.HashMap");
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    38
var map = new HashMap();
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
// map key-value access by java get/put method calls
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    41
map.put('js', 'nashorn');
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    42
print(map.get('js'));
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
// access keys of map as properties
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    45
print(map['js']);
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    46
print(map.js);
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    47
26067
b32ccc3a76c9 8055199: Tidy up Nashorn codebase for code standards (August 2014)
attila
parents: 24283
diff changeset
    48
// also assign new key-value pair
24283
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    49
// as 'property-value'
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    50
map['language'] = 'java';
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    51
print(map.get("language"));
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    52
print(map.language);
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    53
print(map['language']);
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
map.answer = 42;
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    56
print(map.get("answer"));
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    57
print(map.answer);
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    58
print(map['answer']);