src/sample/nashorn/javaimporter.js
author redestad
Wed, 10 Apr 2019 20:03:07 +0200
changeset 54492 9d0ae9508d53
parent 47216 71c04702a3d5
permissions -rw-r--r--
8222029: Optimize Math.floorMod Reviewed-by: aph, darcy
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
// JavaImporter along with 'with' statement helps in
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    33
// localized Java class references
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    34
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    35
function readTextFromURL(url) {
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    36
26067
b32ccc3a76c9 8055199: Tidy up Nashorn codebase for code standards (August 2014)
attila
parents: 24283
diff changeset
    37
    // equivalent to
b32ccc3a76c9 8055199: Tidy up Nashorn codebase for code standards (August 2014)
attila
parents: 24283
diff changeset
    38
    //
24283
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    39
    //    import java.io.*;
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    40
    //    import java.net.*;
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    41
    //    import java.lang.StringBuffer;
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    42
    //
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    43
    // only inside the 'with' statement
26067
b32ccc3a76c9 8055199: Tidy up Nashorn codebase for code standards (August 2014)
attila
parents: 24283
diff changeset
    44
    with (new JavaImporter(java.io,
24283
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    45
        java.net,
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    46
        java.lang.StringBuilder)) {
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    47
        var buf = new StringBuilder();
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    48
        var u = new URL(url);
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    49
        var reader = new BufferedReader(
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    50
            new InputStreamReader(u.openStream()));
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    51
        var line = null;
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    52
        try {
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    53
            while ((line = reader.readLine()) != null)
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    54
                buf.append(line).append('\n');
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    55
        } finally {
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    56
            reader.close();
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    57
        }
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    58
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    59
        return buf.toString();
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    60
    }
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
bda887c0088a 8042600: Add more samples in nashorn/samples directory
sundar
parents:
diff changeset
    63
print(readTextFromURL("https://twitter.com/"));