--- /dev/null 2015-12-08 13:32:25.000000000 +0530 +++ new/samples/buffer_index.js 2015-12-08 13:32:25.139291400 +0530 @@ -0,0 +1,65 @@ +# 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)