| # Usage: jjs -cp buffer_indexing_linker.jar buffer_index.js |
| |
| /* |
| * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * - Neither the name of Oracle nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
| * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| // This script depends on buffer indexing dynalink linker. Without that |
| // linker in classpath, this script will fail to run properly. |
| |
| function str(buf) { |
| var s = '' |
| for (var i = 0; i < buf.length; i++) |
| s += buf[i] + "," |
| return s |
| } |
| |
| var ByteBuffer = Java.type("java.nio.ByteBuffer") |
| var bb = ByteBuffer.allocate(10) |
| for (var i = 0; i < bb.length; i++) |
| bb[i] = i*i |
| print(str(bb)) |
| |
| var CharBuffer = Java.type("java.nio.CharBuffer") |
| var cb = CharBuffer.wrap("hello world") |
| print(str(cb)) |
| |
| var RandomAccessFile = Java.type("java.io.RandomAccessFile") |
| var raf = new RandomAccessFile("buffer_index.js", "r") |
| var chan = raf.getChannel() |
| var fileSize = chan.size() |
| var buf = ByteBuffer.allocate(fileSize) |
| chan.read(buf) |
| chan.close() |
| |
| var str = '' |
| for (var i = 0; i < buf.length; i++) |
| str += String.fromCharCode(buf[i]) |
| print(str) |